Registry data as of Aug 27, 2026

Sara Jaka, MD

Internal Medicine Physician · Pittsburg, CA

Sara Jaka, MD is an internal medicine physician with a practice address in Pittsburg, California, and NPI 1760989222, issued on Apr 11, 2018. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1760989222
Name
Sara Jaka
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
Practice location
2220 Gladstone Dr Ste 3, Pittsburg, CA 94565
Phone
(925) 432-3318
Enumerated
Apr 11, 2018
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 2220 Gladstone Dr Ste 3

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

  1. Jose Basora, M.D.Critical Care Medicine (Internal Medicine) Physician1669616066
  2. Melody Brewer, MDInternal Medicine Physician1700050770
  3. Dong Hoon Lee, M.D.Internal Medicine Physician1174854038
  4. Shalini Madugundi, M.DInternal Medicine Physician1154635506
  5. Nicole RanahanFamily Nurse Practitioner1063967594
  6. Sanjay Ray, M.D.Cardiovascular Disease Physician1073538146

Verify Sara Jaka in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

19% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,259 Medicare Part D claims for 339 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 79 claims were for opioids.

  1. Sara Jaka2,259
  2. Specialty average2,785

Most prescribed

  1. Atorvastatin Calcium164 claims
  2. Levothyroxine Sodium94 claims
  3. Amlodipine Besylate87 claims
  4. Fluticasone Propionate68 claims
  5. Losartan Potassium66 claims
  6. Lisinopril63 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.

One hospital or facility affiliation

  1. Permanente Medical Group IncOakland, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

11 internal medicine physician records list a Pittsburg practice address

They are 11 of the 593 NPPES records with a Pittsburg practice address, and 20,403 internal medicine physician records in California.

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

Common questions

What is Sara Jaka, MD's NPI number?

Sara Jaka, MD's National Provider Identifier (NPI) is 1760989222, issued on Apr 11, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Sara Jaka, MD located?

The NPPES record lists a practice address at 2220 Gladstone Dr Ste 3, Pittsburg, CA, 94565. Phone: (925) 432-3318. Providers update this record themselves, so call before visiting.

How can I verify Sara Jaka, MD's license?

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 Sara Jaka, MD prescribe under Medicare Part D?

In 2024, Sara Jaka, MD had 2,259 Medicare Part D claims for 339 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.