Dr. Mark William Cohen, M.D.
Dr. Mark William Cohen is a Pediatrics Physician provider (Pediatrics) practicing in Acton, MA, registered in the NPPES registry with NPI 1396730818 since 2005. The credential MD stands for Doctor of Medicine. Practices at Acton Medical Associates, PC (listed at the same practice address in NPPES).
✓ Active NPI ✓ Valid NPI checksum
| NPI | 1396730818 |
|---|---|
| Entity type | Individual (Type 1) |
| Name | Dr. Mark William Cohen |
| Credential | M.D. |
| Sex | Male |
| Practice address | 321 MAIN ST, Acton, MA, 01720 |
| Phone | 9786358700 |
| Fax | 9786358920 |
| Enumeration date | 2005-09-12 |
| Last updated in NPPES | 2014-10-16 |
Taxonomy & licenses
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 208000000X | Pediatrics Physician | Primary | 49067 | MA |
MD — Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 49067 | Other | MA | STATE LICENSE |
Copy-ready billing details
Provider: Mark Cohen, M.D. NPI: 1396730818 Taxonomy: 208000000X (Pediatrics Physician) Address: 321 MAIN ST, Acton, MA, 01720
Other providers at this practice address
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1912994195 | Genevieve Sloboda | Individual | Family Nurse Practitioner | Acton, MA |
| 1801885512 | Edwin Knights | Individual | Internal Medicine Physician | Acton, MA |
| 1427047141 | Elliot Steger | Individual | Internal Medicine Physician | Acton, MA |
| 1366431009 | Jon Way | Individual | Internal Medicine Physician | Acton, MA |
| 1134118722 | Ray Tripp | Individual | Pediatrics Physician | Acton, MA |
| 1477542967 | John Jakimczyk | Individual | Pediatrics Physician | Acton, MA |
| 1477542132 | Christopher Cooper | Individual | Pediatrics Physician | Acton, MA |
| 1205825577 | Michelle Travassos | Individual | Pediatrics Physician | Acton, MA |
Verify this record
Cross-check NPI 1396730818 against the authoritative CMS record: view Dr. Mark William Cohen on the official NPPES registry .
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.
Frequently asked questions
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Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2014-10-16.