NPPES file of Aug 9, 2026

Gary Stewart Lee, MD

Geriatric Medicine (Internal Medicine) Physician · Fremont, CA

Gary Stewart Lee, MD is a geriatric medicine (internal medicine) physician with a practice address in Fremont, California, and NPI 1710943113, issued on Apr 25, 2006. Check the license (California G61379, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1710943113
Name
Gary Stewart Lee
Credential
MD
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
G61379 CA
Self-reported in NPPES; status is on the state search
Practice location
42808 Christy St Ste 216, Fremont, CA 94538
Phone
(408) 900-8838
Enumerated
Apr 25, 2006
Record last updated
Oct 17, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(408) 962-0235
Medicaid ID
00G613790 CA
Medicare enrollment
Enrolled (PECOS I20090129000096); accepts Medicare assignment
Medical or professional school
University Of California, San Diego School Of Medicine, 1986
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Gary Stewart Lee in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G61379
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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The practice group's MIPS final score for 2023 (Medicare payment program): 80.6 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score67.4
  2. Costout of 100 · 30%46.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. County OF Santa ClaraSan Jose, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gary Stewart Lee among 532 geriatric medicine (internal medicine) physician records in California

Gary Stewart Lee, 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 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 fileYes · 51% of these records are
  • Graduated1986 · median 1999 among the 271 with a school on file
  • Record last updated2017 · 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.

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Samina Khwaja, M.D.Fremont, CA 945381225141963
  2. Phyu Phyu Lim, MDFremont, CA 945391043534803
  3. Donna Heinle, M.D.Livermore, CA 945501780693234
  4. Sumangala Kote, M.D.Livermore, CA 945501891731899
  5. Sophia Chen, D.O.Martinez, CA 945531225371016
  6. Suprabha Jain, MDPleasant Hill, CA 945231841228384
  7. Daniel Lively, MDMartinez, CA 945531801966718
  8. William Strauss, MDMoraga, CA 945561932123312

Common questions

What is Gary Stewart Lee, MD's NPI number?

Gary Stewart Lee, MD's National Provider Identifier (NPI) is 1710943113, issued on Apr 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gary Stewart Lee, MD located?

The NPPES record lists a practice address at 42808 Christy St Ste 216, Fremont, CA, 94538. Phone: (408) 900-8838. Providers update this record themselves, so call before visiting.

How can I verify Gary Stewart Lee, MD's license?

NPPES lists California license number G61379, 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.

What is Gary Stewart Lee, MD's MIPS final score?

The 2023 MIPS final score is 80.6 of 100, reported for the practice group. 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.