NPPES file of Aug 9, 2026

Susanna Matsen Nazarian, M.D., PH.D.

Surgery Physician · Philadelphia, PA

Susanna Matsen Nazarian, M.D., PH.D. is a surgery physician with a practice address in Philadelphia, Pennsylvania, and NPI 1558414011, issued on Jan 19, 2007. Check the license (Pennsylvania MD454561, 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
1558414011
Name
Susanna Matsen Nazarian
Credential
M.D., PH.D.
Primary taxonomy
Surgery Physician 208600000X
License number
MD454561 PA
Self-reported in NPPES; status is on the state search
Practice location
1100 Walnut St FL 5, Philadelphia, PA 19107
Phone
(215) 955-6750
Enumerated
Jan 19, 2007
Record last updated
Jun 9, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20150810001645); accepts Medicare assignment
Medical or professional school
Johns Hopkins University School Of Medicine, 2003
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 1100 Walnut St FL 5

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

  1. Eika Barriera-Justiniano, CRNPAcute Care Nurse Practitioner1013597533
  2. Adam Bodzin, M.D.Transplant Surgery Physician1366651416
  3. Wilbur Bowne, M.D.Surgery Physician1790762516
  4. Jaime Glorioso, M.D.Surgery Physician1225340615
  5. Tyler Grenda, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1023337821
  6. Sagar KadakiaSurgery Physician1831452051

Verify Susanna Matsen Nazarian 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 MD454561
    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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82% fewer Medicare Part D claims than the average surgery physician in 2024

27 Medicare Part D claims for 13 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D.

  1. Susanna Nazarian27
  2. Specialty average147

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.

Industry payments in 2024: $182.06

1 payment: food and beverage; the largest payer was Endomagnetics Ltd. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Susanna Nazarian$182.06
  2. Specialty average$3,513.80

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

Bills Medicare through 2 group practices

  1. Jefferson University PhysiciansPhiladelphia, PA
  2. Kennedy Medical Group Practice, P.C.Sewell, NJ

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

Susanna Matsen Nazarian among 1,867 surgery physician records in Pennsylvania

Susanna Matsen Nazarian, M.D., PH.D. is one of 1,867 surgery physician records with a practice address in Pennsylvania. 72% 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 36% of them.

  • NPI issued2007 · 36% of these records are older, 57% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2003 · median 2007 among the 932 with a school on file
  • Record last updated2020 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in Pennsylvania

There are 1,867 surgery physician records in Pennsylvania.

The 8 surgery physician records with the nearest ZIP codes

  1. George Amrom, MDPhiladelphia, PA 191071104879048
  2. Wilbur Bowne, M.D.Philadelphia, PA 191071790762516
  3. Karen Chojnacki, M.D.Philadelphia, PA 191071083630685
  4. William Hughes, MDPhiladelphia, PA 191071447206867
  5. John Kairys, M.D.Philadelphia, PA 191071043230733
  6. Kris Kaulback, M.D.Philadelphia, PA 191071245250943
  7. Eugene Kennedy, M.D.Philadelphia, PA 191071902826274
  8. Hooman Noorchashm, MDPhiladelphia, PA 191071053463885

Common questions

What is Susanna Matsen Nazarian, M.D., PH.D.'s NPI number?

Susanna Matsen Nazarian, M.D., PH.D.'s National Provider Identifier (NPI) is 1558414011, issued on Jan 19, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Susanna Matsen Nazarian, M.D., PH.D. located?

The NPPES record lists a practice address at 1100 Walnut St FL 5, Philadelphia, PA, 19107. Phone: (215) 955-6750. Providers update this record themselves, so call before visiting.

How can I verify Susanna Matsen Nazarian, M.D., PH.D.'s license?

NPPES lists Pennsylvania license number MD454561, 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 Susanna Matsen Nazarian, M.D., PH.D. prescribe under Medicare Part D?

In 2024, Susanna Matsen Nazarian, M.D., PH.D. had 27 Medicare Part D claims for 13 beneficiaries; the average among surgery physician prescribers was 147. 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.