NPPES file of Aug 9, 2026

Maziar Shirazi, M.D.

Family Medicine Physician · Philadelphia, PA

Maziar Shirazi, M.D. is a family medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1750600789, issued on Jun 1, 2010. Check the license (Pennsylvania MD448488, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1750600789
Name
Maziar Shirazi
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
MD448488 PA
Self-reported in NPPES; status is on the state search
Practice location
833 Chestnut St, Philadelphia, PA 19107
Phone
(215) 955-7190
Enumerated
Jun 1, 2010
Record last updated
Dec 15, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(215) 923-9186
Medicare enrollment
Enrolled (PECOS I20141110000128); accepts Medicare assignment
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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8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →

Also registered at 833 Chestnut St

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

  1. Zoe Agoos, M.D.Family Medicine Physician1659767044
  2. Marc Altshuler, M.D.Family Medicine Physician1013935220
  3. Archana Anantharaman, M.D.Student in an Organized Health Care Education/Training Program1255620837
  4. Kendall Annable, MSGenetic Counselor (M.S.)1477685097
  5. Sambina AnthonyStudent in an Organized Health Care Education/Training Program1033904784
  6. Christine Arenson, M.D.Family Medicine Physician1316970403

Verify Maziar Shirazi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD448488    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 Pennsylvania 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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46% more Medicare Part D claims than the average family medicine physician in 2024

5,162 Medicare Part D claims for 349 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 242 claims were for opioids.

  1. Maziar Shirazi5,162
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium353 claims
  2. Amlodipine Besylate216 claims
  3. Levothyroxine Sodium162 claims
  4. Losartan Potassium153 claims
  5. Lisinopril146 claims
  6. Hydrocodone-Acetaminophen133 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.

Bills Medicare through one group practice

  1. Permanente Medical Group IncVallejo, CA

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

Maziar Shirazi among 7,483 family medicine physician records in Pennsylvania

Maziar Shirazi, M.D. is one of 7,483 family medicine physician records with a practice address in Pennsylvania. 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 2010, is newer than 60% of them.

  • NPI issued2010 · 60% of these records are older, 38% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2010 · median 2005 among the 4,529 with a school on file
  • Record last updated2021 · 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

800 family medicine physician records list a practice address in Philadelphia

They are 800 of the 42,849 NPPES records with a practice address in Philadelphia, and 7,483 family medicine physician records in Pennsylvania.

All 7,483 in Pennsylvania → Every provider in Philadelphia → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Christine Arenson, M.D.Philadelphia, PA 191071316970403
  2. Joshua Barash, M.D.Philadelphia, PA 191071205861499
  3. George Bradford, M.D.Philadelphia, PA 191071558330324
  4. Christopher Chambers, M.D.Philadelphia, PA 191071528084050
  5. Kristin Desimone, M.D.Philadelphia, PA 191071477586501
  6. Victor Diaz, M.D.Philadelphia, PA 191071013933548
  7. Anne Dubreuil, M.D.Philadelphia, PA 191071588680003
  8. Dorothy Fojtik, M.D.Philadelphia, PA 191071720012727

Common questions

What is Maziar Shirazi, M.D.'s NPI number?

Maziar Shirazi, M.D.'s National Provider Identifier (NPI) is 1750600789, issued on Jun 1, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Maziar Shirazi, M.D. located?

The NPPES record lists a practice address at 833 Chestnut St, Philadelphia, PA, 19107. Phone: (215) 955-7190. Providers update this record themselves, so call before visiting.

How can I verify Maziar Shirazi, M.D.'s license?

NPPES lists Pennsylvania license number MD448488, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Maziar Shirazi, M.D. prescribe under Medicare Part D?

In 2024, Maziar Shirazi, M.D. had 5,162 Medicare Part D claims for 349 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.