NPPES file of Aug 9, 2026

Seyed Mehrdad Hamrahian, MD

Nephrology Physician · Philadelphia, PA

Seyed Mehrdad Hamrahian, MD is a nephrology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1578621587, issued on Dec 4, 2006. Check the license 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
1578621587
Name
Seyed Mehrdad Hamrahian
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License number
21251 MS
Self-reported in NPPES; status is on the state search
Practice location
833 Chestnut St, Philadelphia, PA 19107
Phone
(201) 503-3000
Enumerated
Dec 4, 2006
Record last updated
Jun 17, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(215) 503-4099
Medicaid IDs
0372994 NJ
05189525 MS
1028681100001 PA
1457523 LA
Medicare enrollment
Enrolled (PECOS I20131104001085); 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 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 Seyed Mehrdad Hamrahian in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)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

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13% fewer Medicare Part D claims than the average nephrology physician in 2024

1,268 Medicare Part D claims for 184 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. Seyed Hamrahian1,268
  2. Specialty average1,465

Most prescribed

  1. Amlodipine Besylate206 claims
  2. Irbesartan130 claims
  3. Chlorthalidone89 claims
  4. Carvedilol85 claims
  5. Telmisartan82 claims
  6. Lisinopril66 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. Jefferson University PhysiciansPhiladelphia, PA

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

Seyed Mehrdad Hamrahian among 651 nephrology physician records in Pennsylvania

Seyed Mehrdad Hamrahian, MD is one of 651 nephrology physician records with a practice address in Pennsylvania. 84% 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 15% of them.

  • NPI issued2006 · 15% of these records are older, 51% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1999 · median 2001 among the 468 with a school on file
  • Record last updated2014 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in Pennsylvania

There are 651 nephrology physician records in Pennsylvania.

The 8 nephrology physician records with the nearest ZIP codes

  1. Joseph Brezin, MDPhiladelphia, PA 191071154417541
  2. Bonita Falkner, M.DPhiladelphia, PA 191071790706869
  3. George FrancosPhiladelphia, PA 191071457374530
  4. Rakesh Gulati, MDPhiladelphia, PA 191071770571937
  5. Michael Heifets, MDPhiladelphia, PA 191071265471403
  6. Larry Krevolin, DOPhiladelphia, PA 191071265532923
  7. Sandra Levison, MDPhiladelphia, PA 191071841232832
  8. Marie Lim, MDPhiladelphia, PA 191071033219795

Common questions

What is Seyed Mehrdad Hamrahian, MD's NPI number?

Seyed Mehrdad Hamrahian, MD's National Provider Identifier (NPI) is 1578621587, issued on Dec 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Seyed Mehrdad Hamrahian, MD located?

The NPPES record lists a practice address at 833 Chestnut St, Philadelphia, PA, 19107. Phone: (201) 503-3000. Providers update this record themselves, so call before visiting.

How can I verify Seyed Mehrdad Hamrahian, MD's license?

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 Seyed Mehrdad Hamrahian, MD prescribe under Medicare Part D?

In 2024, Seyed Mehrdad Hamrahian, MD had 1,268 Medicare Part D claims for 184 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.

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.