Medicare Enrolled

Dr. Susan Shimomaye, MD

MOHS-Micrographic Surgery Physician · Oceanside, CA
Practice pattern: Clinical Cardiology — Primarily office-based clinical cardiology
Low-engagement
3998 VISTA WAY STE 100, Oceanside, CA 92056
7607585340
In practice since 2006 (19 years)
NPI: 1801828058 verify on NPPES ↗
Very High
DATA COVERAGE
Data in 4 of 4 federal sources
Measures public federal data availability — not provider quality
Informational, not a quality rating. This page presents federal public records about Dr. Shimomaye from CMS (NPPES, Open Payments, Medicare Provider Utilization, PECOS). It is not medical advice, an endorsement, or a judgment of clinical quality. Always consult the provider directly and a licensed clinician for medical decisions. Read methodology →
Are you Dr. Shimomaye? Request a correction or review of any data shown here. Provider portal →

What this data tells you about Dr. Shimomaye

Dr. Susan Shimomaye is a mohs-micrographic surgery physician in Oceanside, CA, with 19 years of NPI registration. Based on federal Medicare data, Dr. Shimomaye performed 5,091 Medicare services across 2,859 unique beneficiaries.

Between the years covered by Open Payments, Dr. Shimomaye received a total of $10,348 from 37 pharmaceutical and/or device companies across 344 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in mohs-micrographic surgery physician. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.

The Data Coverage level for Dr. Shimomaye is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.

✓ 19 years in practice ▲ Top 34% volume in CA $10,348 industry payments

Medicare Practice Summary

Medicare Utilization ↗
5,091
Medicare services
Top 34% in CA for mohs-micrographic surgery physician
2,859
Unique beneficiaries
$97
Avg. Medicare payment
Medicare patients only (65+ / disabled) · How to read this →
~268 Medicare services per year of practice

Top procedures by volume

Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.

Procedure Volume Avg. paid Avg. submitted
Destruction of precancerous skin growths, 2-14
This procedure involves the removal or destruction of two to fourteen precancerous skin lesions. It is performed to eliminate abnormal skin cells that have the potential to develop into cancer.
1,648 $6 $22
Office visit, established patient (20-29 min)
An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition.
541 $67 $280
Skin biopsy, tangential
A procedure to remove a sample of the first identified skin growth for laboratory examination.
480 $80 $335
Destruction of precancerous skin growth, 1
Removal of a single precancerous skin growth. This procedure destroys abnormal skin cells to prevent them from developing into cancer.
446 $41 $215
Office visit, established patient (30-39 min)
A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition.
301 $95 $394
Additional skin growth biopsy
Removal of a sample of an additional skin growth for laboratory examination. This code is used for each extra lesion biopsied during the same session.
294 $46 $168
Skin growth removal and lab exam, 1-5 blocks
This procedure involves the removal of a growth from the head, neck, hands, feet, or genitals. The removed tissue is then examined under a microscope in the laboratory.
220 $505 $2,180
Complicated wound repair, scalp/arms/legs, 2.6-7.5 cm
A complex surgical procedure to close a wound on the scalp, arms, or legs that measures between 2.6 and 7.5 centimeters in length.
137 $304 $1,400
Office visit, established patient (10-19 min)
An office visit for an existing patient lasting 10 to 19 minutes. The visit involves medical evaluation and management of the patient's condition.
107 $45 $178
Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks 102 $376 $1,350
Tissue pathology examination, moderate complexity
A laboratory test where a pathologist examines tissue samples under a microscope to analyze cellular details. This intermediate complexity procedure involves specialized techniques to identify abnormalities in the tissue.
101 $61 $223
Complicated wound repair, 2.6-7.5 cm
A complex surgical procedure to close a wound measuring between 2.6 and 7.5 centimeters on areas such as the face, neck, hands, or feet.
95 $251 $1,511
Destruction of skin growths (warts/lesions), 1-14
This procedure involves the removal or destruction of one to fourteen skin growths. It is a minor surgical intervention performed on the skin surface.
95 $97 $371
Surgical removal of skin cancer, 1.1-2.0 cm
Surgical excision of a cancerous skin growth measuring between 1.1 and 2.0 centimeters on the body, arms, or legs.
77 $111 $787
Destruction of 15 or more precancerous skin growths
This procedure involves the removal or destruction of fifteen or more precancerous skin lesions. It is performed to treat abnormal skin cells that have the potential to develop into cancer.
77 $144 $543
Surgical removal of skin cancer, 2.1-3.0 cm
This procedure involves the surgical excision of a cancerous skin growth located on the body, arms, or legs. The size of the removed tissue measures between 2.1 and 3.0 centimeters.
58 $126 $913
Complicated wound repair of trunk, 2.6-7.5 cm
A surgical procedure to close a complex wound on the trunk that measures between 2.6 and 7.5 centimeters in length.
52 $335 $1,282
Skin growth removal and lab exam, 1-5 blocks
A procedure to remove a growth from the trunk, arms, or legs and send 1 to 5 tissue samples to a laboratory for microscopic examination.
49 $523 $2,076
Steroid injection (triamcinolone)
A 10 mg injection of triamcinolone acetonide, a corticosteroid medication. This code specifies the drug and dosage administered.
27 $1 $3
Skin graft repair of eyelid, nose, ear, or lip, 10 sq cm or less
A surgical procedure to repair a wound on the eyelid, nose, ear, or lip by transferring a small piece of skin. The transferred skin covers an area of 10 square centimeters or less.
26 $655 $2,279
New patient office visit (30-44 min)
An initial office visit for a new patient lasting between 30 and 44 minutes. This code is used when the total time spent on the date of the encounter falls within this range.
25 $78 $325
Punch biopsy of first skin growth
A small, circular piece of skin is removed from a skin growth using a circular blade. The sample is then sent to a laboratory for examination.
22 $116 $419
Injection into skin growths, 1-7
A procedure involving the injection of medication into one to seven skin growths.
20 $39 $187
Ear tissue biopsy
A procedure to remove a small sample of tissue from the ear for laboratory examination.
19 $61 $307
Complex wound repair, 1.1-2.5 cm
A surgical procedure to close a complex wound measuring between 1.1 and 2.5 centimeters on areas such as the face, neck, hands, or feet.
16 $176 $1,241
Skin graft repair, 10 sq cm or less
A surgical procedure to repair a wound by transferring a small piece of skin to the affected area. The graft covers wounds on the face, neck, hands, feet, or other specified body parts.
15 $671 $2,470
Additional Mohs surgery stage with microscopic exam
This procedure involves the removal and microscopic examination of an additional stage of tissue from the trunk, arms, or legs. It is performed in stages to ensure complete removal of the growth.
15 $361 $1,351
Complex repair of eyelid, nose, ear, or lip wound, 2.6-7.5 cm
A surgical procedure to repair a complex wound on the eyelid, nose, ear, or lip that measures between 2.6 and 7.5 centimeters.
14 $223 $1,554
Surgical removal of skin cancer, 1.1-2.0 cm
Surgical excision of a cancerous skin growth measuring 1.1 to 2.0 centimeters from the scalp, neck, hands, feet, or genitals.
12 $114 $857
How to read this data: This reflects Medicare patients only (typically 65+). Payment amounts are what Medicare paid the provider, not your out-of-pocket cost. A higher procedure volume generally indicates more experience with that procedure.
0.3% high complexity
16.9% medium
82.8% routine

Industry Payment Transparency

Open Payments through 2024 ↗
$10,348
Total received (2018-2024)
Avg $1,478/year across 7 years
Top 14% in CA for mohs-micrographic surgery physician
A higher payment rank reflects disclosed industry relationships (consulting, research, speaking) common among subspecialists — not wrongdoing.
37
Companies
344
Individual payments
All payments are legal and publicly reported · Not evidence of wrongdoing · How to interpret →

Payment profile

Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.

Meals & Travel
Food, beverages, travel, and lodging — typically low-value
$10,203 (98.6%)
Speaking / Promotional
Speaker programs, honoraria, and industry-sponsored educational events
$145 (1.4%)

Payment trend by year

Annual totals from pharmaceutical and medical device companies.

2024
$2,704
2023
$2,271
2022
$1,197
2021
$975
2020
$343
2019
$1,763
2018
$1,096

Payments by company (2024)

Consulting
Speaking
Meals & Travel
Research
ABBVIE INC.
$528
GENZYME CORPORATION
$525
PFIZER INC.
$219
Novartis Pharmaceuticals Corporation
$171
SUN PHARMACEUTICAL INDUSTRIES INC.
$170
Regeneron Healthcare Solutions, Inc.
$170
UCB, Inc.
$159
Amgen Inc.
$145
Janssen Scientific Affairs, LLC
$138
Regeneron Pharmaceuticals, Inc.
$130
STRATA Skin Sciences, Inc.
$119
Boehringer Ingelheim Pharmaceuticals, Inc.
$77
Janssen Biotech, Inc.
$43
Incyte Corporation
$34
E.R. Squibb & Sons, L.L.C.
$34
Verrica Pharmaceuticals Inc.
$21
Arcutis Biotherapeutics, Inc.
$21
Top 3 companies account for 47.0% of 2024 payments
All-time payments by company (2018-2024) ›
GENZYME CORPORATION
$1,377
Regeneron Healthcare Solutions, Inc.
$969
PFIZER INC.
$940
SANOFI-AVENTIS U.S. LLC
$829
ABBVIE INC.
$807
Janssen Biotech, Inc.
$728
AbbVie Inc.
$600
Janssen Scientific Affairs, LLC
$479
Novartis Pharmaceuticals Corporation
$400
Amgen Inc.
$329
E.R. Squibb & Sons, L.L.C.
$307
SUN PHARMACEUTICAL INDUSTRIES INC.
$293
AbbVie, Inc.
$243
UCB, Inc.
$240
Sun Pharmaceutical Industries Inc.
$237
Biofrontera Inc.
$207
LEO Pharma Inc.
$203
Arcutis Biotherapeutics, Inc.
$164
Regeneron Pharmaceuticals, Inc.
$130
STRATA Skin Sciences, Inc.
$119
Lilly USA, LLC
$108
Mission Pharmacal Company
$96
Incyte Corporation
$88
Stemline Therapeutics Inc.
$86
Boehringer Ingelheim Pharmaceuticals, Inc.
$77
DERMIRA, INC.
$54
Celgene Corporation
$48
PruGen, Inc. Pharmaceuticals
$36
Alnylam Pharmaceuticals Inc.
$24
Verrica Pharmaceuticals Inc.
$21
Almirall LLC
$20
Organogenesis Inc.
$19
Galderma Laboratories, L.P.
$16
VYNE Pharmaceuticals Inc.
$15
Dermavant Sciences, Inc.
$14
McKesson Medical-Surgical, Inc.
$14
Ortho Dermatologics, a division of Bausch Health US, LLC
$12
Top 3 companies account for 31.7% of all-time payments
Associated products mentioned in payments ›
ABSORICA · ADBRY · AKLIEF · AMELUZ · AMZEEQ · Absorica LD · Ameluz · Avar · Bimzelx · CIBINQO · COSENTYX · Cimzia · DERMATITIS - DISEASE · DISEASE STATE · DUPIXENT · DUPIXENT DUPILUMAB INJECTION · ELZONRIS · ENSTILAR · EUCRISA · Enbrel · GIVLAARI · HUMIRA · HYLATOPIC · Humira · ILUMYA · ILUMYA (tildrakizumab-asmn) injection · Ilumya · Klisyri · LIBTAYO · LITFULO · OPDIVO · OPZELURA · Otezla · Ovace · Puraply · REMICADE · RINVOQ · SKYRIZI · SPEVIGO · Skyrizi · Sotyktu · TALTZ · TREMFYA · Tremfya · VTAMA · Winlevi · XTRAC · YCANTH · Zoryve
Should you be concerned? Payments from pharmaceutical and device companies are legal and common — 57% of U.S. physicians receive at least one. They often reflect legitimate consulting, research, or education. What matters is whether a recommended drug or device appears in your doctor's payment records. If so, consider asking your doctor about it. How to interpret this data →

Most payments (99%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.

Looking for a mohs-micrographic surgery physician in Oceanside?
Compare mohs-micrographic surgery physicians in the Oceanside area by procedure volume, costs, and industry payment transparency.
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Geographic Context

Mohs-micrographic surgery physicians within 10 mi
15
Per 100K population
0.5
County median income
$102,285
Nearest hospital
TRI-CITY MEDICAL CENTER
0.0 mi

Data Sources

Provider Registry NPPES Weekly updates
Medicare Enrollment PECOS Monthly updates
Practice Data Medicare Util. Annual (CY lag)
Industry Payments Open Payments CY 2024
Disciplinary History — Not public N/A

This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →

Summary

Dr. Shimomaye is a clinical cardiology specialist, with moderate Medicare volume, with low-engagement industry engagement in the top 14% of CA peers, with 19 years of NPI registration.

This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →

Frequently Asked Questions

Is Dr. Shimomaye experienced with destruction of precancerous skin growths, 2-14?
Based on Medicare claims data, Dr. Shimomaye performed 1,648 destruction of precancerous skin growths, 2-14 services. Research suggests that higher procedure volume is often associated with better outcomes, particularly for complex procedures. Note that Medicare data only captures patients aged 65 and older, so the total practice volume across all patients is likely higher.
Does Dr. Shimomaye receive payments from pharmaceutical companies?
Yes. Dr. Shimomaye received a total of $10,348 from 37 companies across 344 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common among physicians — 57% of all U.S. physicians receive at least one industry payment. Patients may wish to ask their doctor about these relationships, especially if a recommended drug or device appears in the payment records.
How do Dr. Shimomaye's costs compare to other mohs-micrographic surgery physicians in Oceanside?
Dr. Shimomaye's average Medicare payment per service is $97. Note that these figures represent what Medicare pays, not your out-of-pocket cost, which depends on your specific insurance plan and deductible. Procedure-level data above shows both what was submitted and what Medicare paid for each service type.
What does Data Coverage mean?
Data Coverage (currently Very High for Dr. Shimomaye) measures how much public federal data is available about a provider. It is not a quality rating. A "Very High" or "High" level means the provider has data across multiple federal sources (NPPES, PECOS, Medicare Utilization, Open Payments), indicating a long track record of practice, Medicare participation, and industry disclosure. A "Low" or "Moderate" level may simply mean the provider is newer, does not see Medicare patients, or has not received any industry payments — none of which are inherently negative. Read our full methodology →
Is this data up to date?
Each data source has its own update cycle. Provider registry data (NPPES) is updated weekly. Medicare enrollment (PECOS) is updated monthly. Medicare practice data has a ~2 year lag — the most recent available is typically 2 years prior. Industry payment data (Open Payments) is published annually, usually in June, covering the prior calendar year. We display the data date prominently on each section so you always know how current it is. See our data freshness policy →
About this page

All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.

This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.

Provider corrections: Provider portal · Privacy questions: Privacy Policy · Terms: Terms of Use · Methodology: Methodology

Data Disclaimer — Data sourced from the Centers for Medicare & Medicaid Services (CMS): National Plan and Provider Enumeration System (NPPES), Open Payments program, Medicare Provider Utilization and Payment Data, and Provider Enrollment & Certification data (PECOS). Published under the Freedom of Information Act (FOIA). This website is not affiliated with, endorsed by, or authorized by CMS, HHS, or the U.S. Government. Data may contain errors as reported to CMS by providers and reporting entities. Payments from industry are legal and do not indicate wrongdoing. Medicare data reflects only patients aged 65+ or those with qualifying disabilities. For corrections, contact CMS directly. This information does not constitute medical advice and should not be used as the sole basis for choosing a healthcare provider. Procedure descriptions use plain language and do not reference CPT® codes, which are copyrighted by the American Medical Association. Full methodology → · Report a data error → · Privacy policy →