NPPES file of Aug 9, 2026

Elizabeth Marks, PA-C

Physician Assistant · Boston, MA

Elizabeth Marks, PA-C is a physician assistant with a practice address in Boston, Massachusetts, and NPI 1396761169, issued on Jul 14, 2006. Check the license (Massachusetts AP1968, 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
1396761169
Name
Elizabeth Marks
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
AP1968 MA
Self-reported in NPPES; status is on the state search
Practice location
840 Harrison Ave, Boston, MA 02118
Phone
(617) 638-8609
Enumerated
Jul 14, 2006
Record last updated
Nov 8, 2024
Medicaid ID
110124023A MA
Medicare enrollment
Enrolled (PECOS I20050914000674); 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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Also registered at 840 Harrison Ave

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

  1. Mohamad Abdalkader, M.D.Diagnostic Radiology Physician1124472584
  2. Julie AgbasiPhysical Therapist1720475775
  3. Stephan Anderson, M.D.Diagnostic Radiology Physician1235243122
  4. Brendan AttridgeMental Health Counselor1326854019
  5. Rajasekhara Ayyagari, MDVascular & Interventional Radiology Physician1700906294
  6. Mohammad Bader, M.D.Vascular & Interventional Radiology Physician1417360140

Verify Elizabeth Marks 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 AP1968
    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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97% fewer Medicare Part D claims than the average physician assistant in 2024

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

  1. Elizabeth Marks27
  2. Specialty average830

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. Boston University General Surgical Associates, Inc.Boston, MA

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

Elizabeth Marks among 4,713 physician assistant records in Massachusetts

Elizabeth Marks, 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 2006, is newer than 1% of them.

  • NPI issued2006 · 1% of these records are older, 87% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2005 · median 2019 among the 3,217 with a school on file
  • Record last updated2024 · 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. Susan Bowler, PA-CBoston, MA 021181295812048
  2. Jennifer Czarniak, PABoston, MA 021181528050259
  3. Sandy Falcon, PA-CBoston, MA 021181275619033
  4. Barbara Furgal, PA-CBoston, MA 021181568556454
  5. Eric Haas, PABoston, MA 021181144312174
  6. Cynthia Kiang, PA-CBoston, MA 021181811974116
  7. Nina Lev, P.A.Boston, MA 021181568421923
  8. Paul O'Connell, PA-CBoston, MA 021181578527875

Common questions

What is Elizabeth Marks, PA-C's NPI number?

Elizabeth Marks, PA-C's National Provider Identifier (NPI) is 1396761169, issued on Jul 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Elizabeth Marks, PA-C located?

The NPPES record lists a practice address at 840 Harrison Ave, Boston, MA, 02118. Phone: (617) 638-8609. Providers update this record themselves, so call before visiting.

How can I verify Elizabeth Marks, PA-C's license?

NPPES lists Massachusetts license number AP1968, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Elizabeth Marks, PA-C prescribe under Medicare Part D?

In 2024, Elizabeth Marks, PA-C had 27 Medicare Part D claims; 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.