Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MARK HAROLD ALLEN M.D.
NPI 1285633198
Family Medicine in Greenfield, MA

Q: What is Mark Allen's NPI number?

The NPI number for Mark Allen is 1285633198. It was assigned to this individual provider in the NPPES registry on July 21, 2005.

Q: What is Mark Allen's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Mark Allen was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since July 21, 2005

329 CONWAY ST, GREENFIELD HEALTH CENTER, GREENFIELD, MA 01301(413) 774-6301(413) 774-6528 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. Mark Harold Allen M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARK HAROLD ALLEN M.D. (NPI 1285633198) is an individual family medicine provider in Greenfield, Massachusetts, licensed in Massachusetts (37955) and active in the NPI registry since July 2005.

NPPES Registry Identity

NPI1285633198

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameDR. MARK HAROLD ALLENCredential: M.D.

Location Address329 CONWAY ST, GREENFIELD HEALTH CENTERGreenfield, MA 01301-1526

Mailing Address329 Conway St, Greenfield Health CenterGreenfield, MA 01301-1526 · (413) 774-6301 · Fax (413) 774-6528

Phone(413) 774-6301

Fax(413) 774-6528

Sole ProprietorNo

Enumeration DateJuly 21, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1285633198 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in MA · 37955

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

329 CONWAY ST, Greenfield, MA 01301

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Other Identifiers 2

Medicaid2031523MA

OtherF10075MA · Blue Cross& Blue Shield

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MASSACHUSETTS SOCIETY FOR THE PREVENTION OF CRUELTY TO CHILDREN

Social Worker (Clinical)

329 CONWAY ST, SUITE 2
GREENFIELD, MA 01301

Franklin County (413) 773-3608

VALLEY MEDICAL GROUP, P.C.

Durable Medical Equipment & Medical Supplies

329 CONWAY ST, GREENFIELD HEALTH CENTER
GREENFIELD, MA 01301

Franklin County (413) 774-6301

MARJORIE DALE SOBIL RD, LDN

Dietitian, Registered

329 CONWAY ST
GREENFIELD, MA 01301

Franklin County (413) 774-6301

MRS. BARBARA JEAN BERTHIAUME APRN

Nurse Practitioner (Family)

329 CONWAY ST
GREENFIELD, MA 01301

Franklin County (413) 774-6301

DR. PATRICIA A IVERSON M.D.

Family Medicine

329 CONWAY ST, VALLEY MEDICAL GROUP, PC-GREENFIELD HEALTH CENTER
GREENFIELD, MA 01301

Franklin County (413) 774-6301

DR. BARBARA ARNOLD MORRIS AU.D.

Audiologist

329 CONWAY ST, PIONEER HEARING SERVICES
GREENFIELD, MA 01301

Franklin County (413) 773-5119

MRS. MARY-JO P CROWLEY-BOWDISH LICSW

Social Worker (Clinical)

329 CONWAY ST
GREENFIELD, MA 01301

Franklin County (413) 773-3608

MS. REBECCA L BUCALA PT

Physical Therapist

329 CONWAY ST, GREENFIELD HEALTH CENTER
GREENFIELD, MA 01301

Franklin County (413) 774-6301

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Allen's NPI number?

The NPI number for Mark Allen is 1285633198. It was assigned to this individual provider in the NPPES registry on July 21, 2005.

Where is Mark Allen located?

Mark Allen practices at 329 Conway St Greenfield Health Center, Greenfield, MA 01301. The listed phone number is (413) 774-6301.

What is Mark Allen's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

When was this NPI record last updated?

The NPPES record for Mark Allen was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.