Mark Allen, M.D.
Family Medicine Physician · Greenfield, MA
Mark Allen, M.D. is a family medicine physician with a practice address in Greenfield, Massachusetts, and NPI 1285633198, issued on Jul 21, 2005. Check the license (Massachusetts 37955, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mark Allen
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 37955 MA
Self-reported in NPPES; status is on the state search - Practice location
- 329 Conway St, Greenfield, MA 01301
- Phone
- (413) 774-6301
- Enumerated
- Jul 21, 2005
- Entity
- Type 1 · individual
Also registered at 329 Conway St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Anderson, ED.D.Clinical Child & Adolescent Psychologist1871678136
- Lisa Appleton, NPNurse Practitioner1831219609
- Marie Bartlett, MSWClinical Social Worker1790815306
- Barbara Berthiaume, APRNFamily Nurse Practitioner1053736629
- Jessica Biggie, MDFamily Medicine Physician1689649584
- Anna Bingham, M.D.Pediatrics Physician1679834972
Verify Mark Allen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 37955Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
22 family medicine physician records list a Greenfield practice address
They are 22 of the 1,251 NPPES records with a Greenfield practice address, and 2,226 family medicine physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 22 in Greenfield → All 2,226 in Massachusetts → Every provider in Greenfield →
Other family medicine physician records in Massachusetts
- Salah Abass, M.D.Methuen, MA1417959776
- Sheila Abdallah, MDWorcester, MA1821356312
- Jonathan Abel, DOSpringfield, MA1700897196
- Mohamed Abib, MDSturbridge, MA1639281090
- Kevin Abraham, M.D.Worcester, MA1689037673
- Janet Abrahamian, M.D.West Boylston, MA1932156627
- John Abramson, M.D.Ipswich, MA1275613903
- John Paul Abroguena, MDPlainville, MA1235361080
- Aliza Acker-Bernstein, M.D.Peabody, MA1023057551
- Lisa Adams, MDFalmouth, MA1235404336
Common questions
What is Mark Allen, M.D.'s NPI number?
Mark Allen, M.D.'s National Provider Identifier (NPI) is 1285633198, issued on Jul 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark Allen, M.D. located?
The NPPES record lists a practice address at 329 Conway St, Greenfield, MA, 01301. Phone: (413) 774-6301. Providers update this record themselves, so call before visiting.
How can I verify Mark Allen, M.D.'s license?
NPPES lists Massachusetts license number 37955, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://www.mass.gov/orgs/board-of-registration-in-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.