Dr. Marc Shomer, M.D., PH.D.
What this data tells you about Dr. Shomer
Dr. Marc Shomer is a preventive medicine - public health specialist in Upland, CA, with 19 years of NPI registration. Based on federal Medicare data, Dr. Shomer performed 7,087 Medicare services across 4,784 unique beneficiaries.
Between the years covered by Open Payments, Dr. Shomer received a total of $3,927 from 22 pharmaceutical and/or device companies across 86 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in preventive medicine - public health. 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. Shomer 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.
Medicare Practice Summary
Medicare Utilization ↗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 |
|---|---|---|---|
| Comprehensive eye exam, established patient A comprehensive examination of the visual system performed for a patient who has previously been seen by the provider. |
1,240 | $94 | $170 |
| 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. |
1,156 | $96 | $225 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
813 | $114 | $246 |
| Visual field test, extended A test that maps your complete field of vision to detect blind spots or peripheral vision loss. Extended testing provides a more detailed assessment than a standard visual field exam. |
448 | $48 | $140 |
| Retinal imaging (OCT scan) This procedure involves imaging the retina to visualize its structure. It is used to examine the back of the eye. |
431 | $31 | $145 |
| Retinal photography (fundus photo) This procedure involves taking photographs of the retina, the light-sensitive tissue at the back of the eye. It is used to document the condition of the eye's interior structures. |
302 | $27 | $150 |
| Corneal topography and eye depth measurement This procedure measures the curvature and depth of the cornea, the clear front surface of the eye. |
223 | $19 | $350 |
| Urinalysis, manual A manual laboratory examination of a urine sample to check for various substances and cells. |
221 | $3 | $15 |
| Dexamethasone injection (steroid) An injection of dexamethasone sodium phosphate, a corticosteroid medication, administered in a dose of 1 milligram. |
194 | $0 | $2 |
| Optic nerve imaging (OCT scan) Imaging of the optic nerve. |
192 | $26 | $145 |
| Influenza virus detection test A laboratory test that uses an immunoassay technique to detect the presence of the influenza virus through direct visual observation. |
182 | $16 | $100 |
| SARS-CoV-2 immunoassay test A laboratory test using immunoassay techniques to detect the presence of severe acute respiratory syndrome coronavirus. |
166 | $35 | $50 |
| Eye exam, established patient, focused A limited examination of the visual system for an existing patient. The provider focuses on a specific eye-related concern or symptom. |
113 | $70 | $125 |
| Tear duct plug insertion A procedure to insert a small plug into the tear duct opening to help retain tears on the eye surface. |
98 | $163 | $350 |
| CT scan of cornea A computed tomography scan used to create detailed images of the cornea, the clear front part of the eye. |
97 | $28 | $100 |
| Ceftriaxone antibiotic injection This code represents the administration of ceftriaxone sodium, an antibiotic medication. The charge is calculated for every 250 mg of the drug administered. |
90 | $0 | $6 |
| Ketorolac injection, per 15 mg An injection of ketorolac tromethamine, a nonsteroidal anti-inflammatory drug, administered in doses measured per 15 mg. |
90 | $0 | $6 |
| Cataract surgery with lens implant Surgical removal of the clouded natural lens of the eye and replacement with an artificial prosthetic lens to restore vision. |
88 | $400 | $1,400 |
| Drug injection, under skin or into muscle A procedure involving the administration of a medication or substance via injection into the subcutaneous tissue or muscle. |
85 | $11 | $71 |
| Chest X-ray, 2 views An X-ray imaging test of the chest that captures two different angles to visualize the lungs, heart, and chest wall. |
73 | $27 | $80 |
| Eye injection for retinal disease A procedure involving the administration of medication directly into the eye. |
72 | $91 | $650 |
| Strep A rapid test A rapid test to detect Group A Streptococcus bacteria using an immunoassay method with direct visual observation. |
62 | $16 | $65 |
| Wound tissue removal, 20 sq cm or less This procedure involves the removal of tissue from a wound area measuring 20 square centimeters or less. |
62 | $86 | $142 |
| Blood draw (venipuncture) Insertion of a needle into a vein to collect a blood sample. |
61 | $8 | $100 |
| Laser removal of recurring cataract A laser procedure to remove a recurring cataract within the lens capsule. |
53 | $274 | $600 |
| Ear wax removal A procedure to remove impacted ear wax from the ear canal. |
46 | $34 | $100 |
| Laser repair to improve eye fluid flow A laser procedure used to enhance the drainage of fluid within the eye. |
43 | $195 | $600 |
| Electrocardiogram (EKG), 12-lead A standard heart rhythm test using at least 12 leads to record electrical activity. A healthcare provider interprets the results and provides a written report. |
39 | $11 | $40 |
| Ultrasound scan of cornea to determine thickness An ultrasound procedure used to measure the thickness of the cornea. |
35 | $8 | $115 |
| Foot X-ray, 3+ views An X-ray imaging test of the foot that captures at least three different views to evaluate the bones and joints. |
27 | $27 | $80 |
| Complex cataract removal with lens implant A surgical procedure to remove a cataract from the eye and insert an artificial lens to restore vision. |
26 | $562 | $1,400 |
| Eye drainage system examination An examination of the internal drainage system of the eye to assess how fluid flows and drains from the eye. |
25 | $19 | $65 |
| Vaccine administration The process of giving a vaccine to a patient. This code covers the administration service only and does not include the cost of the vaccine itself. |
24 | $15 | $40 |
| Wrist X-ray, minimum 3 views An imaging test using X-rays to capture at least three different angles of the wrist bones and joints. |
22 | $30 | $90 |
| Knee X-ray, 4 or more views An imaging test using X-rays to create multiple pictures of the knee joint from different angles. |
22 | $39 | $250 |
| Diphtheria and tetanus vaccine (7 years or older) A vaccine administered to individuals aged 7 and older to provide protection against diphtheria and tetanus infections. |
18 | $21 | $40 |
| Incision to improve eye fluid flow A surgical procedure involving an incision to enhance the drainage of fluid within the eye. |
17 | $663 | $1,500 |
| Dilation of eye fluid drainage A procedure to widen the drainage pathways in the eye to help fluid flow out more easily. |
17 | $256 | $2,000 |
| Shoulder X-ray, 2+ views An X-ray imaging test of the shoulder joint using at least two different angles to visualize the bones and surrounding structures. |
16 | $26 | $80 |
| Ankle X-ray, minimum 3 views An X-ray imaging test of the ankle that captures at least three different angles to evaluate the bones and joints. |
16 | $26 | $90 |
| Respiratory syncytial virus (RSV) immunoassay test A laboratory test that uses an immunoassay technique to detect the presence of respiratory syncytial virus in a sample. The results are determined through direct visual observation of the test reaction. |
16 | $13 | $25 |
| X-ray of finger, minimum of 2 views An X-ray imaging test of a finger using at least two different angles to visualize the bones and surrounding structures. |
15 | $33 | $80 |
| Incision and drainage of eyelid abscess A minor surgical procedure to cut open and drain an infected, pus-filled swelling on the eyelid. |
14 | $227 | $464 |
| X-ray of toe, minimum of 2 views An X-ray imaging test of the toe using at least two different angles to visualize the bones and surrounding structures. |
14 | $25 | $80 |
| Simple removal of foreign body from under the skin A minor procedure to remove a foreign object located beneath the skin surface. The process involves accessing the tissue under the skin to extract the item. |
12 | $131 | $260 |
| Rib X-ray, 2 views An X-ray imaging test of the ribs on one side of the body using two different angles. |
11 | $27 | $80 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
All-time payments by company (2018-2024) ›
Associated products mentioned in payments ›
Most payments (98%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians. Total industry engagement is in the top 9% for preventive medicine - public health in CA.
Geographic Context
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. Shomer is a clinical cardiology specialist, with above-average Medicare volume (top 3% in CA), with low-engagement industry engagement in the top 9% 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
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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.
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