NPPES file of Aug 9, 2026

Mohammed Hassan, PA-C

Physician Assistant · Boston, MA

Mohammed Hassan, PA-C is a physician assistant with a practice address in Boston, Massachusetts, and NPI 1598489536, issued on Oct 3, 2022. Check the license (Massachusetts PA100111, as entered in NPPES) with the Massachusetts board that licenses this profession; 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
1598489536
Name
Mohammed Hassan
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
PA100111 MA
Self-reported in NPPES; status is on the state search
Practice location
133 Brookline Ave, Boston, MA 02215
Phone
(617) 425-1000
Enumerated
Oct 3, 2022
Record last updated
Oct 22, 2023
Medicare enrollment
Enrolled (PECOS I20240104001911); 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 133 Brookline Ave

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

  1. Shari Abramowitz, M.D.Pediatrics Physician1558346593
  2. Maansi AgheraAudiologist1225887292
  3. Nathalie Alexis, PSY.D.Clinical Psychologist1245886993
  4. Marina Alfisher, MDDiagnostic Radiology Physician1417925207
  5. Andrew Allmendinger, DODiagnostic Radiology Physician1972820942
  6. Dana An, LCSWClinical Social Worker1215108238

Verify Mohammed Hassan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license PA100111
    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
Find the Massachusetts 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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78% fewer Medicare Part D claims than the average physician assistant in 2024

181 Medicare Part D claims for 99 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Mohammed Hassan181
  2. Specialty average830

Most prescribed

  1. Amlodipine Besylate16 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. Atrius Health IncNeedham, MA

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

Mohammed Hassan among 4,713 physician assistant records in Massachusetts

Mohammed Hassan, PA-C is one of 4,713 physician assistant records with a practice address in Massachusetts. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 68% of them.

  • NPI issued2022 · 68% of these records are older, 25% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2018 · median 2019 among the 3,217 with a school on file
  • Record last updated2023 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,660 physician assistant records list a practice address in Boston

They are 1,660 of the 41,865 NPPES records with a practice address in Boston, and 4,713 physician assistant records in Massachusetts.

The 8 physician assistant records with the nearest ZIP codes

  1. Elizabeth Alqueza, PA-CBoston, MA 022151972584100
  2. Margaret Buonanno, PABoston, MA 022151851354989
  3. Amy Clyde, PABoston, MA 022151326001488
  4. Hajar Delshad, PA-CBoston, MA 022151801868914
  5. Nicole Dettmann, PABoston, MA 022151619931813
  6. Jerald Feuer, PABoston, MA 022151457332801
  7. Nancy Herriott, PABoston, MA 022151467418012
  8. Derek Hersey, PABoston, MA 022151114981289

Common questions

What is Mohammed Hassan, PA-C's NPI number?

Mohammed Hassan, PA-C's National Provider Identifier (NPI) is 1598489536, issued on Oct 3, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Mohammed Hassan, PA-C located?

The NPPES record lists a practice address at 133 Brookline Ave, Boston, MA, 02215. Phone: (617) 425-1000. Providers update this record themselves, so call before visiting.

How can I verify Mohammed Hassan, PA-C's license?

NPPES lists Massachusetts license number PA100111, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Mohammed Hassan, PA-C prescribe under Medicare Part D?

In 2024, Mohammed Hassan, PA-C had 181 Medicare Part D claims for 99 beneficiaries; the average among physician assistant prescribers was 830. 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.