IndividualActive
Ellen Wolfson, M.D.
NPI 1184795759 · Internal Medicine Physician · Cos Cob, CT
Ellen Wolfson, M.D. is a Internal Medicine Physician provider in Cos Cob, CT (NPI 1184795759).
Provider details
- NPI number
- 1184795759
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 025363 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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
35 River Road
Cos Cob, CT 06807
Phone: (203) 625-0333
Fax: (203) 625-8331
Street-level locationGet directions
Mailing address
35 River Road
Cos Cob, CT 06807
Registry dates
- Enumerated
- 2006-11-13
- Last updated
- 2012-04-26
Frequently asked questions
- What is Ellen Wolfson's NPI number?
- Ellen Wolfson's National Provider Identifier (NPI) is 1184795759, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Wolfson's specialty?
- Ellen Wolfson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ellen Wolfson located?
- Ellen Wolfson's practice location on file with NPPES is 35 River Road, Cos Cob, CT 06807.
- What is Ellen Wolfson's phone number?
- The practice phone number listed in the NPPES registry for Ellen Wolfson is (203) 625-0333.
- Is Ellen Wolfson's NPI active?
- Yes — Ellen Wolfson's NPI (1184795759) is active in the NPPES registry as of the last update on 2012-04-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.