Ellen Cohen, M.D.
NPI 1770672800 · Psychiatry Physician · Lexington, MA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ellen Cohen, M.D. is a Psychiatry Physician provider in Lexington, MA (NPI 1770672800).
Provider details
- NPI number
- 1770672800
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 59679 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-12
- Last updated
- 2024-12-09
- Certified
- 2024-12-09
Frequently asked questions
- What is Ellen Cohen's NPI number?
- Ellen Cohen's National Provider Identifier (NPI) is 1770672800, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Cohen's specialty?
- Ellen Cohen is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Ellen Cohen located?
- Ellen Cohen's practice location on file with NPPES is 30 Oak St, Lexington, MA 02421-6241.
- What is Ellen Cohen's phone number?
- The practice phone number listed in the NPPES registry for Ellen Cohen is (617) 872-9491.
- Does Ellen Cohen accept Medicare?
- Ellen Cohen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ellen Cohen's NPI active?
- Yes — Ellen Cohen's NPI (1770672800) is active in the NPPES registry as of the last update on 2024-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.