Stephen Richard Corday, M.D.
Internal Medicine Physician · Los Angeles, CA
Stephen Richard Corday, M.D. is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1194759803, issued on Jul 10, 2006. Check the license (California G31116, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stephen Richard Corday
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G31116 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8635 W 3RD St, Los Angeles, CA 90048
- Phone
- (310) 855-8081
- Enumerated
- Jul 10, 2006
- Record last updated
- Jun 20, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (310) 855-0438
- Medicaid IDs
- ZZZ82542Z CA
00G311160 CA - Medicare enrollment
- Enrolled (PECOS I20100624000883); accepts Medicare assignment
- Medical or professional school
- Stanford University School Of Medicine, 1974
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 8635 W 3RD St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stephen Richard Corday in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G31116Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average internal medicine physician in 2024
9,904 Medicare Part D claims for 619 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 151 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium580 claims
- Losartan Potassium555 claims
- Amlodipine Besylate478 claims
- Eliquis451 claims
- Levothyroxine Sodium375 claims
- Pantoprazole Sodium322 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 67.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $881.50
37 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Stephen Richard Corday among 17,696 internal medicine physician records in California
Stephen Richard Corday, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1974 · median 2004 among the 11,065 with a school on file
- Record last updated2008 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,423 internal medicine physician records list a practice address in Los Angeles
They are 1,423 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Los Angeles → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- George Chaux, M.D.Los Angeles, CA 900481619938941
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- Amanda Ewing, M.D.West Hollywood, CA 900481982661922
- Farshid Fararooy, M.D.Los Angeles, CA 900481922045939
- Eleonora Fedonenko, M.D.Los Angeles, CA 900481790721850
- Christina Harris, MDLos Angeles, CA 900481073553962
- Homayoon Khanlou, MDLos Angeles, CA 900481356335277
- Dorothy Lowe, M.D.Los Angeles, CA 900481275577835
Common questions
What is Stephen Richard Corday, M.D.'s NPI number?
Stephen Richard Corday, M.D.'s National Provider Identifier (NPI) is 1194759803, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Richard Corday, M.D. located?
The NPPES record lists a practice address at 8635 W 3RD St, Los Angeles, CA, 90048. Phone: (310) 855-8081. Providers update this record themselves, so call before visiting.
How can I verify Stephen Richard Corday, M.D.'s license?
NPPES lists California license number G31116, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stephen Richard Corday, M.D. prescribe under Medicare Part D?
In 2024, Stephen Richard Corday, M.D. had 9,904 Medicare Part D claims for 619 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Stephen Richard Corday, M.D.'s MIPS final score?
The 2023 MIPS final score is 67.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.