JENNIFER S MARK (M.D.) – Family Medicine Physician, NPI 1437183266

JENNIFER S MARK (M.D.) is a healthcare provider. based in Northampton, Massachusetts. specializing in Family Medicine Physician. They hold the professional credentials M.D.. They hold a License No. 203960 (MA). The NPI Number for JENNIFER S MARK (M.D.) is 1437183266

Main info

Female
36 Years Of Experience
Accepts Medicare Assignment
Name
JENNIFER S MARK (M.D.)
NPI
1437183266
Phone
(978) 249-3511
Address
19 WARD AVE
Enumeration Date
10 July 2006
Last Update Date
8 July 2007

Doctor Profile

Medical School Name
YALE UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
4135822330
Graduation Year
1990 (36 years ago)
PAC ID
3678570249
Group Practice PAC ID
2567359839
Professional Enrollment ID
I20061025000286
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for JENNIFER S MARK (M.D.)

  • 19, Ward Avenue, Northampton, Hampshire County, Massachusetts, 01063, United States

    NORTHAMPTON, MA 010602863

    Phone: (978) 249-3511

    Type: Mailing

  • Athol Memorial Hospital, 2033, Main Street, Athol, Worcester County, Massachusetts, 01331, United States

    2033 MAIN STREET

    ATHOL, MA 01331

    Phone: (978) 249-3511

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2025-12-06

PECOS data refreshed: 2026-05-27

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 01060)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 2567359839View full group profile
NameSpecialtyState
Physician AssistantMA
-MA
Physician AssistantMA
-MA
Family PracticeMA
Family PracticeMA
Certified Nurse Midwife (Cnm)MA
Nurse PractitionerMA
Family PracticeMA
Diagnostic RadiologyMA

Reviews

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Frequently asked questions

What is the registry number for JENNIFER S MARK (M.D.)?
The registry entry for JENNIFER S MARK (M.D.) shows NPI 1437183266.
Should I treat JENNIFER S MARK (M.D.) as an active provider?
Patients and plans typically see JENNIFER S MARK (M.D.) as active in the national extract.
What services align with JENNIFER S MARK (M.D.)'s listing?
JENNIFER S MARK (M.D.)'s public classification highlights Family Medicine Physician. Clinical services aligned with this taxonomy classification.
What geographic area is tied to JENNIFER S MARK (M.D.)?
JENNIFER S MARK (M.D.) is associated with Northampton, Massachusetts in the same public data insurers reference.
What is the difference between NPI and a medical license?
An NPI is a federal identifier; a medical license is issued by a state and governs where someone may practice.

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