NPPES file of Aug 9, 2026

Dianne C. Martin, MD

Infectious Disease Physician · Fremont, CA

Dianne C. Martin, MD is an infectious disease physician with a practice address in Fremont, California, and NPI 1720162969, issued on Oct 24, 2006. Check the license (California G45774, 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 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1720162969
Name
Dianne C. Martin
Credential
MD
Primary taxonomy
Infectious Disease Physician 207RI0200X
License numbers
G45774 CA
G045774 CA
Self-reported in NPPES; status is on the state search
Practice location
2287 Mowry Ave Ste F, Fremont, CA 94538
Phone
(510) 248-1585
Enumerated
Oct 24, 2006
Record last updated
Jan 29, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(510) 739-1050
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2287 Mowry Ave Ste F

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nancy Stoll, MDFamily Medicine Physician1235186008

Verify Dianne C. Martin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G45774
    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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6% more Medicare Part D claims than the average infectious disease physician in 2024

727 Medicare Part D claims for 164 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Dianne Martin727
  2. Specialty average689

Most prescribed

  1. Losartan Potassium56 claims
  2. Levothyroxine Sodium50 claims
  3. Atorvastatin Calcium37 claims
  4. Amlodipine Besylate35 claims
  5. Rosuvastatin Calcium21 claims
  6. Carvedilol20 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 practice group's MIPS final score for 2023 (Medicare payment program): 86.9 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 score81.6
  2. Costout of 100 · 30%73.9
  3. Promoting interoperabilityout of 100 · 25%81.0
  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).

Dianne C. Martin among 1,119 infectious disease physician records in California

Dianne C. Martin, MD is one of 1,119 infectious disease 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 4% of them.

  • NPI issued2006 · 4% of these records are older, 54% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2019 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in California

There are 1,119 infectious disease physician records in California.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Muni Barash, M.D.Fremont, CA 945381962428896
  2. Harman Chawla, M.D.Fremont, CA 945381518251701
  3. Jyoti GuptaFremont, CA 945381063510857
  4. Susan Jacobson, MDFremont, CA 945381639254303
  5. Jevon Tang, MDFremont, CA 945381619179504
  6. Benedict Villanueva, M.D.Fremont, CA 945381376601690
  7. Scott Crabtree, MDTravis Afb, CA 945351932360526
  8. Mark Derasmo, MDTravis Afb, CA 945351023647419

Common questions

What is Dianne C. Martin, MD's NPI number?

Dianne C. Martin, MD's National Provider Identifier (NPI) is 1720162969, issued on Oct 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Dianne C. Martin, MD located?

The NPPES record lists a practice address at 2287 Mowry Ave Ste F, Fremont, CA, 94538. Phone: (510) 248-1585. Providers update this record themselves, so call before visiting.

How can I verify Dianne C. Martin, MD's license?

NPPES lists California license number G45774, 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 Dianne C. Martin, MD prescribe under Medicare Part D?

In 2024, Dianne C. Martin, MD had 727 Medicare Part D claims for 164 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.

What is Dianne C. Martin, MD's MIPS final score?

The 2023 MIPS final score is 86.9 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.