Charles Scott Thomas, M.D.
Internal Medicine Physician · Los Angeles, CA
Charles Scott Thomas, M.D. is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1679779508, issued on Jun 26, 2007. Check the license (California A98973, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Charles Scott Thomas
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A98973 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1200 N State St, Los Angeles, CA 90089
- Phone
- (323) 226-7556
- Enumerated
- Jun 26, 2007
- Record last updated
- Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110506000258); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1200 N State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Beza Abebe, MDStudent in an Organized Health Care Education/Training Program1558823674
- Nada Abou-HaibaObstetrics & Gynecology Physician1134067549
- Paul Abraham, MDStudent in an Organized Health Care Education/Training Program1831775709
- Lily Adler, MDStudent in an Organized Health Care Education/Training Program1164281309
- Samantha Adwani, MDStudent in an Organized Health Care Education/Training Program1396683892
- Kimiko AgariOral & Maxillofacial Surgery (D.M.D.)1043665219
Verify Charles Scott Thomas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A98973Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,321 Medicare Part D claims for 296 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Levothyroxine Sodium257 claims
- Methimazole125 claims
- Nano 2nd Gen Pen Needle60 claims
- Humalog51 claims
- Hydrocortisone51 claims
- Insulin Glargine-Yfgn44 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles Scott Thomas among 17,696 internal medicine physician records in California
Charles Scott Thomas, 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 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2005 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 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
- Pankaj Bahl, M.D.Los Angeles, CA 900891548450489
- Sumati Bansal, D.O.Los Angeles, CA 900891881854651
- Rogelio Bravo, M.D.Los Angeles, CA 900891295919009
- Kevin Kwak, M.D.Los Angeles, CA 900891275759425
- Sarita Mohanty, MDLos Angeles, CA 900891730286683
- Vidya Narayan, M.DLos Angeles, CA 900891396943254
- Hoa Phan, D.O.Los Angeles, CA 900891295919686
- Jesse Sammons, MDLos Angeles, CA 900891871753707
Common questions
What is Charles Scott Thomas, M.D.'s NPI number?
Charles Scott Thomas, M.D.'s National Provider Identifier (NPI) is 1679779508, issued on Jun 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Charles Scott Thomas, M.D. located?
The NPPES record lists a practice address at 1200 N State St, Los Angeles, CA, 90089. Phone: (323) 226-7556. Providers update this record themselves, so call before visiting.
How can I verify Charles Scott Thomas, M.D.'s license?
NPPES lists California license number A98973, 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 Charles Scott Thomas, M.D. prescribe under Medicare Part D?
In 2024, Charles Scott Thomas, M.D. had 1,321 Medicare Part D claims for 296 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.