Joann L. Stewart, M.D.
Geriatric Medicine (Internal Medicine) Physician · La Jolla, CA
Joann L. Stewart, M.D. is a geriatric medicine (internal medicine) physician with a practice address in La Jolla, California, and NPI 1487627790, issued on Feb 8, 2006. Check the license (California A77517, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joann L. Stewart
- Credential
- M.D.
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- A77517 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10666 N Torrey Pines RD, La Jolla, CA 92037
- Phone
- (858) 554-6158
- Enumerated
- Feb 8, 2006
- Record last updated
- Sep 9, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (858) 784-5933
- Medicaid ID
- 00A775170 CA
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 532 in California → Look up another NPI →
Also registered at 10666 N Torrey Pines RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Christina Adams, MDCardiovascular Disease Physician1023164605
- Dylan Adamson, M.D.Transplant Surgery Physician1598030702
Verify Joann L. Stewart in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A77517Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
1,838 Medicare Part D claims for 115 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. 29 claims were for opioids.
Most prescribed
- Eliquis100 claims
- Levothyroxine Sodium92 claims
- Gabapentin75 claims
- Atorvastatin Calcium72 claims
- Furosemide72 claims
- Metoprolol Tartrate70 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.
Joann L. Stewart among 532 geriatric medicine (internal medicine) physician records in California
Joann L. Stewart, M.D. 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 46% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 51% of these records are
- Record last updated2016 · 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 La Jolla → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Adil Abbasi, M.D.La Jolla, CA 920371548261316
- Katrina Deleon, MDLa Jolla, CA 920371013250778
- Robert Demonte, M.D.La Jolla, CA 920371457327157
- Heather Doherty, M.D.La Jolla, CA 920371255319802
- Dennis Ehrlich, MDLa Jolla, CA 920371689788051
- Marjan Etesami, M.D.La Jolla, CA 920371265753180
- Avnish Gill, M.D.La Jolla, CA 920371497076723
- Daniel Given, M.D.La Jolla, CA 920371144530205
Common questions
What is Joann L. Stewart, M.D.'s NPI number?
Joann L. Stewart, M.D.'s National Provider Identifier (NPI) is 1487627790, issued on Feb 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joann L. Stewart, M.D. located?
The NPPES record lists a practice address at 10666 N Torrey Pines RD, La Jolla, CA, 92037. Phone: (858) 554-6158. Providers update this record themselves, so call before visiting.
How can I verify Joann L. Stewart, M.D.'s license?
NPPES lists California license number A77517, 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 Joann L. Stewart, M.D. prescribe under Medicare Part D?
In 2024, Joann L. Stewart, M.D. had 1,838 Medicare Part D claims for 115 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.