Matthew Raymond Quan, MD
Geriatric Medicine (Internal Medicine) Physician · Santa Monica, CA
Matthew Raymond Quan, MD is a geriatric medicine (internal medicine) physician with a practice address in Santa Monica, California, and NPI 1275275133, issued on Apr 11, 2022. Check the license (California A189874, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Matthew Raymond Quan
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- A189874 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1223 16TH St Ste 3100, Santa Monica, CA 90404
- Phone
- (310) 319-4371
- Enumerated
- Apr 11, 2022
- Record last updated
- Aug 4, 2026
- Fax
- (310) 319-4141
- Medicare enrollment
- Enrolled (PECOS I20260528003296); may accept Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 2022
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 532 in California → Look up another NPI →
Also registered at 1223 16TH St Ste 3100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mercedes Avila, FNP-BCNurse Practitioner1467231829
- Audrey Joan Cano, FNP-BCPrimary Care Nurse Practitioner1154987634
- Vivy CusumanoGastroenterology Physician1639600638
- Angela Doan, NPNurse Practitioner1639638968
- Brian Horwich, MDGastroenterology Physician1073058087
- Tiffany JuClinical Psychologist1033786645
Verify Matthew Raymond Quan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A189874Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
228 Medicare Part D claims for 38 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Atorvastatin Calcium22 claims
- Lisinopril12 claims
- Metformin Hcl11 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.
Matthew Raymond Quan among 532 geriatric medicine (internal medicine) physician records in California
Matthew Raymond Quan, MD is one of 532 geriatric medicine (internal medicine) physician records with a practice address in California. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 97% of them.
- NPI issued2022 · 97% of these records are older, 2% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated2022 · median 1999 among the 271 with a school on file
- Record last updated2026 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in California
There are 532 geriatric medicine (internal medicine) physician records in California.
All 532 in California → Every provider in Santa Monica → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Edward Hui, MDSanta Monica, CA 904041184657488
- David Reuben, M.D.Santa Monica, CA 904041427078690
- Kenneth Waltzer, M.D.Santa Monica, CA 904051437424090
- Abriella Demanes, MDTorrance, CA 905021669036695
- Mailee Hess, MDTorrance, CA 905021396011565
- Christopher Mayorga, DOTorrance, CA 905021003445669
- Kushi Mehrotra, MDTorrance, CA 905021679627889
- Elaine Deemer, DOTorrance, CA 905051649856162
Common questions
What is Matthew Raymond Quan, MD's NPI number?
Matthew Raymond Quan, MD's National Provider Identifier (NPI) is 1275275133, issued on Apr 11, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Raymond Quan, MD located?
The NPPES record lists a practice address at 1223 16TH St Ste 3100, Santa Monica, CA, 90404. Phone: (310) 319-4371. Providers update this record themselves, so call before visiting.
How can I verify Matthew Raymond Quan, MD's license?
NPPES lists California license number A189874, 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 Matthew Raymond Quan, MD prescribe under Medicare Part D?
In 2024, Matthew Raymond Quan, MD had 228 Medicare Part D claims for 38 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.