NPPES file of Aug 9, 2026

Tara Mostofi, PAC

Family Medicine Physician · Walnut Creek, CA

Tara Mostofi, PAC is a family medicine physician with a practice address in Walnut Creek, California, and NPI 1073728051, issued on May 11, 2007. Check the license (California PA17957, 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
1073728051
Name
Tara Mostofi
Credential
PAC
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
PA17957 CA
Self-reported in NPPES; status is on the state search
Practice location
370 N. Wiget Lane, Walnut Creek, CA 94598
Phone
(925) 935-6252
Enumerated
May 11, 2007
Record last updated
Mar 13, 2025
Fax
(925) 930-0942
Medicare enrollment
Enrolled (PECOS I20120821000856); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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Also registered at 370 N. Wiget Lane

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

  1. Heidi Heal, PA-CPhysician Assistant1912967498
  2. Toral Kamdar, M.D.Allergy & Immunology Physician1073776555

Verify Tara Mostofi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license PA17957
    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

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

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67% fewer Medicare Part D claims than the average family medicine physician in 2024

1,165 Medicare Part D claims for 263 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.

  1. Tara Mostofi1,165
  2. Specialty average3,544

Most prescribed

  1. Montelukast Sodium259 claims
  2. Albuterol Sulfate Hfa104 claims
  3. Azelastine Hcl81 claims
  4. Breo Ellipta64 claims
  5. Ipratropium Bromide50 claims
  6. Fluticasone Propionate49 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): 69.9 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 score80.2
  2. Costout of 100 · 30%21.2
  3. Promoting interoperabilityout of 100 · 25%98.0
  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).

Industry payments in 2024: $1,453.86

58 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tara Mostofi$1,453.86
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Allergy And Asthma Medical Group OF The Bay Area IncSan Ramon, CA

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

Tara Mostofi among 17,133 family medicine physician records in California

Tara Mostofi, PAC is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.

  • NPI issued2007 · 41% of these records are older, 47% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2000 · median 2005 among the 10,652 with a school on file
  • Record last updated2025 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

116 family medicine physician records list a practice address in Walnut Creek

They are 116 of the 6,170 NPPES records with a practice address in Walnut Creek, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Taejoon Ahn, M.D.Walnut Creek, CA 945981639198757
  2. Leatrice Chang, MDWalnut Creek, CA 945981700822053
  3. John Crockett, M.D.Walnut Creek, CA 945981134221021
  4. Dennis Fong, M.D.Walnut Creek, CA 945981356364871
  5. Paul Kim, M.D.Walnut Creek, CA 945981609831163
  6. Pavani Kuruma, MDWalnut Creek, CA 945981285601310
  7. Franklin Long, MD MPHTMWalnut Creek, CA 945981194744045
  8. Timmothy Merrigan, M.D.Walnut Creek, CA 945981063442945

Common questions

What is Tara Mostofi, PAC's NPI number?

Tara Mostofi, PAC's National Provider Identifier (NPI) is 1073728051, issued on May 11, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Tara Mostofi, PAC located?

The NPPES record lists a practice address at 370 N. Wiget Lane, Walnut Creek, CA, 94598. Phone: (925) 935-6252. Providers update this record themselves, so call before visiting.

How can I verify Tara Mostofi, PAC's license?

NPPES lists California license number PA17957, 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 Tara Mostofi, PAC prescribe under Medicare Part D?

In 2024, Tara Mostofi, PAC had 1,165 Medicare Part D claims for 263 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Tara Mostofi, PAC's MIPS final score?

The 2023 MIPS final score is 69.9 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.