Medicare Enrolled

Dr. Simon Ritchken, M.D.

Internal Medicine · San Diego, CA
Practice pattern: Clinical Cardiology — Primarily office-based clinical cardiology
4282 GENESEE AVE, San Diego, CA 92117
8582920108
Registered in NPPES since 2006
NPI: 1255399341 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. Ritchken 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 →
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What this data tells you about Dr. Ritchken

Dr. Simon Ritchken is an internal medicine specialist in San Diego, CA, with 20 years of NPI registration. Based on federal Medicare data, Dr. Ritchken performed 1,082 Medicare services in 2023. These records do not provide a deduplicated patient total.

Between the years covered by Open Payments, Dr. Ritchken received a total of $10,867 from 78 pharmaceutical and/or device companies across 545 payment records. A record can group multiple payments. These transfers are publicly reported through CMS Open Payments. Disclosure alone does not establish their effect on care. A reliable breakdown by payment category is not available in this snapshot. Patients may wish to discuss these relationships with their provider.

The Data Coverage level for Dr. Ritchken 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.

✓ 20 years of NPI registration ▲ Top 30% volume in CA $10,867 industry payments

Medicare Practice Summary — 2023

Medicare Utilization ↗
1,082
Medicare services
Top 30% in CA for internal medicine
Not available
Unique patients (not deduplicated)
$87
Avg. Medicare payment
Medicare patients only (65+ / disabled) · How to read this →

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
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.
441 $96 $200
Blood draw (venipuncture)
Insertion of a needle into a vein to collect a blood sample.
134 $8 $15
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.
88 $105 $250
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.
65 $64 $125
Upper GI endoscopy with biopsy
A procedure to collect tissue samples from the esophagus, stomach, or upper small intestine using a flexible tube with a camera. The samples are examined to check for abnormalities.
64 $73 $900
Stool test for blood to screen for colon tumors
A test that analyzes a stool sample to detect hidden blood, which is used to screen for colon tumors.
49 $4 $10
Office visit, established patient, complex (40-54 min)
An office or outpatient visit for an existing patient lasting between 40 and 54 minutes. This level of service is determined by the total time spent on the date of the encounter.
44 $143 $250
Colonoscopy with biopsy
A procedure to collect tissue samples from the large intestine using a flexible tube with a camera. The samples are examined to check for abnormalities or disease.
42 $148 $1,500
Annual wellness visit, follow-up
A follow-up annual wellness visit that includes a personalized prevention plan of service.
37 $138 $200
Colonoscopy
A diagnostic exam of the large bowel using a flexible endoscope to visualize the interior of the colon.
35 $136 $1,100
Colon polyp removal with endoscopic snare
This procedure removes polyps or growths from the large bowel using a flexible tube with a camera and a wire loop tool. The snare is used to cut off the growths during the examination.
34 $194 $1,500
Automated urinalysis
An automated laboratory test performed on a urine sample to analyze its chemical and physical properties. The procedure uses machinery to detect various substances and cells within the urine.
33 $2 $10
New patient office visit, complex (60-74 min) 16 $179 $300
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. These counts do not measure clinical quality or years of experience.

Industry Payment Transparency

Open Payments through 2024 ↗
$10,867
Total received (2018-2024)
Avg $1,552/year across 7 years
Top 9% in CA for internal medicine
A higher payment rank reflects disclosed industry relationships (consulting, research, speaking) common among subspecialists — not wrongdoing.
78
Companies
545
Payment records
Payments are publicly reported; disclosure does not establish legality · Not evidence of wrongdoing · How to interpret →

Payment categories are unavailable while the source breakdown is being rebuilt. Company and year totals do not identify how much belongs to each category.

Payment trend by year

Annual totals from pharmaceutical and medical device companies.

2024
$2,126
2023
$1,275
2022
$1,944
2021
$2,405
2020
$1,033
2019
$1,132
2018
$952

Payments by company (2024)

Salix Pharmaceuticals, a division of Bausch Health US, LLC
$184
Amgen Inc.
$166
BETA BIONICS, INC.
$146
Janssen Biotech, Inc.
$143
AIMMUNE THERAPEUTICS, INC.
$137
ABBVIE INC.
$136
Regeneron Healthcare Solutions, Inc.
$130
Lilly USA, LLC
$102
Boehringer Ingelheim Pharmaceuticals, Inc.
$99
Radius Health, Inc.
$97
CeQur Corporation
$94
GlaxoSmithKline, LLC.
$89
Phathom Pharmaceuticals, Inc.
$82
Novartis Pharmaceuticals Corporation
$71
Medtronic, Inc.
$64
Abbott Laboratories
$60
Novo Nordisk Inc
$48
Mannkind Corporation
$43
Exact Sciences Corporation
$32
IDORSIA PHARMACEUTICALS US INC
$29
Celltrion USA Inc.
$27
Fresenius Kabi USA, LLC
$25
Tandem Diabetes Care, Inc.
$22
Biogen, Inc.
$22
Kowa Pharmaceuticals America, Inc.
$22
Philips North America LLC
$21
PFIZER INC.
$19
Antares Pharma, Inc.
$17
Top 3 companies account for 23.4% of 2024 payments
All-time payments by company (2018-2024) ›
Janssen Biotech, Inc.
$734
Amgen Inc.
$668
Nestle HealthCare Nutrition Inc.
$560
AbbVie Inc.
$553
GlaxoSmithKline, LLC.
$482
Lilly USA, LLC
$472
Novo Nordisk Inc
$445
Salix Pharmaceuticals, a division of Bausch Health US, LLC
$410
ABBVIE INC.
$396
SANOFI-AVENTIS U.S. LLC
$305
Takeda Pharmaceuticals U.S.A., Inc.
$293
Boehringer Ingelheim Pharmaceuticals, Inc.
$279
Ferring Pharmaceuticals Inc.
$256
Janssen Pharmaceuticals, Inc
$225
Mannkind Corporation
$225
Allergan Inc.
$223
Regeneron Healthcare Solutions, Inc.
$206
Braintree Laboratories, Inc.
$189
Romark Laboratories, LC
$179
NESTLE HEALTHCARE NUTRITION INC.
$163
Novartis Pharmaceuticals Corporation
$153
BETA BIONICS, INC.
$146
AIMMUNE THERAPEUTICS, INC.
$137
Abbott Laboratories
$135
Radius Health, Inc.
$131
AstraZeneca Pharmaceuticals LP
$127
Biohaven Pharmaceuticals, Inc.
$122
PFIZER INC.
$119
Intercept Pharmaceuticals, Inc.
$114
Merck Sharp & Dohme Corporation
$103
Concordia Pharmaceuticals Inc.
$100
Phathom Pharmaceuticals, Inc.
$100
INTERCEPT PHARMACEUTICALS, INC.
$100
Bayer HealthCare Pharmaceuticals Inc.
$99
Alfasigma USA, Inc.
$97
Insulet Corporation
$97
CeQur Corporation
$94
EISAI INC.
$88
Alexion Pharmaceuticals, Inc.
$78
Medtronic, Inc.
$77
AbbVie, Inc.
$77
Digestive Care, Inc.
$74
Daiichi Sankyo Inc.
$71
Amarin Pharma Inc.
$59
Shionogi Inc
$58
Allergan, Inc.
$56
Antares Pharma, Inc.
$56
MannKind Corporation
$56
Bayer Healthcare Pharmaceuticals Inc.
$55
Xeris Pharmaceuticals, Inc.
$55
Zealand Pharma US, Inc.
$50
Biohaven Pharmaceutical Holding Company Ltd.
$47
Synergy Pharmaceuticals Inc
$47
IDORSIA PHARMACEUTICALS US INC
$43
IRONWOOD PHARMACEUTICALS, INC
$40
CMP Pharma, Inc.
$35
Shire North American Group Inc
$33
Exact Sciences Corporation
$32
Teva Pharmaceuticals USA, Inc.
$32
Ironwood Pharmaceuticals, Inc
$31
RedHill Biopharma Inc.
$30
Celltrion USA Inc.
$27
Scilex Pharmaceuticals Inc.
$25
Fresenius Kabi USA, LLC
$25
Ascensia Diabetes Care Us Inc.
$24
IMPEL PHARMACEUTICALS INC.
$23
Tandem Diabetes Care, Inc.
$22
Biogen, Inc.
$22
Kowa Pharmaceuticals America, Inc.
$22
Nevro Corp.
$22
Aytu BioScience, Inc
$21
Philips North America LLC
$21
Merck Sharp & Dohme LLC
$20
Celgene Corporation
$20
Horizon Therapeutics plc
$20
Eisai Inc.
$18
Duchesnay USA Incorporated
$15
Gilead Sciences, Inc.
$8
Top 3 companies account for 18.0% of all-time payments
Associated products mentioned in payments ›
(CK7) Extended Holter · ADVAIR · AFREZZA · AIMOVIG · AJOVY · ALINIA · APRISO · Aimovig · Alinia · Alinia Tablets 500mg 30 count bottle · Amitiza · BAQSIMI · BREZTRI · CLENPIQ · COLOGUARD · CREON · Carospir · CeQur Simplicity · Cologuard Collection Kit · Creon · DIFICID · DONNATAL · DUPIXENT · Dayvigo · Donnatal · ELIQUIS · EMGALITY · ENTRESTO · ENTYVIO · EVENITY · Entyvio · FARXIGA · FASENRA · FREESTYLE LIBRE · FREESTYLE LIBRE 2 · FREESTYLE LIBRE 3 · GVOKE PFS · Guardian Connect · IDACIO · INJECTAFER · INVOKANA · JANUVIA · JARDIANCE · Kerendia · LEQEMBI · LEQVIO · LINZESS · LYUMJEV · Linzess · MAVYRET · MINIMED 780G · MOTEGRITY · MOUNJARO · Motegrity · Movantik · Mulpleta · NATPARA (PARATHYROID HORMONE) · NOCDURNA · NURTEC ODT · Natesto · OCALIVA · OCTRODE · Omnia · Omnipod · Osphena · Ozempic · PAXLOVID · PLENVU · PREVNAR - 13 · Pertzye · Prolia · QULIPTA · QUVIVIQ · REMICADE · RYBELSUS · Repatha · Rybelsus · SOLIQUA 100/33 · STELARA · SUPREP · SUPREP BOWEL PREP · SUTAB · SYMBICORT · SYNJARDY · SYNTHROID · Saxenda · TEPEZZA · TLANDO · TOUJEO · TRADJENTA · TRELEGY ELLIPTA · TREMFYA · TRULICITY · TZIELD · Talicia · Trintellix · Trudhesa · Trulance · Tymlos · UBRELVY · ULTOMIRIS · Ultomiris · V-GO DISPOSABLE INSULIN DELIVERY · VEGZELMA · VIBERZI · VOQUEZNA · VRAYLAR · Vascepa · Vemlidy · Wegovy · XARELTO · XIFAXAN · ZEGALOGUE · ZENPEP · ZEPATIER · ZEPOSIA · ZORYVE · ZTLido 30 POUCH in 1 CARTON 1 PATCH in 1 POUCH · Zelnorm · iLet Bionic Pancreas · t:slim X2 Insulin Pump with Control-IQ
Should you be concerned? Industry payments are disclosed through CMS Open Payments. Disclosure alone does not establish their purpose, legality, or effect on care. 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 →
Looking for an internal medicine specialist in San Diego?
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Geographic Context

Internal medicine physicians in nearby ZIP areas
1,665
County median income
$102,285
Nearest hospital to ZIP centroid (approximate)
SCRIPPS MEMORIAL HOSPITAL LA JOLLA
3.7 mi

Data Sources

Provider Registry NPPES NPPES snapshot; verify current record
Medicare Enrollment PECOS PECOS snapshot
Practice Data Medicare Util. Annual (CY lag)
Industry Payments Open Payments CY 2024
Disciplinary History — Not included 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. Ritchken is a clinical cardiology specialist, with above-average Medicare volume (top 30% in CA), with 20 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. Ritchken experienced with office visit, established patient (30-39 min)?
Based on Medicare claims data, Dr. Ritchken performed 441 office visit, established patient (30-39 min) services. These records cover Medicare fee-for-service activity, including eligible younger beneficiaries; they do not measure total practice volume or clinical quality.
Does Dr. Ritchken receive payments from pharmaceutical companies?
Yes. Dr. Ritchken received a total of $10,867 from 78 companies across 545 payment records. A record can group multiple payments. These transfers are publicly disclosed through CMS Open Payments. Disclosure alone does not establish their legality or effect on care. 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. Ritchken's costs compare to other internal medicine physicians in San Diego?
Dr. Ritchken's average Medicare payment per service is $87. 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. Ritchken) 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 the presence of registry, enrollment, activity or payment records, not verified experience or clinical quality. 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?
Source publication dates and the snapshots loaded on this site can differ. Rebuilding a page does not refresh its source records. Check the Medicare reporting year and the payment interval shown above; consult the linked official sources for newer releases and current registry details. See our data freshness policy →
About this page

This page combines public CMS records with calculated summaries and explanatory procedure labels. These transformations are not verbatim federal records. Sources: 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. Industry payment disclosure alone establishes neither wrongdoing nor legality. 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 →