Karl Friedmann, M.D.
NPI 1285956987 · Family Medicine Physician · Old Lyme, CT
Karl Friedmann, M.D. is a Family Medicine Physician provider in Old Lyme, CT (NPI 1285956987).
Provider details
- NPI number
- 1285956987
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 010369 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
- 2010-02-22
- Last updated
- 2010-02-22
Frequently asked questions
- What is Karl Friedmann's NPI number?
- Karl Friedmann's National Provider Identifier (NPI) is 1285956987, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karl Friedmann's specialty?
- Karl Friedmann is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karl Friedmann located?
- Karl Friedmann's practice location on file with NPPES is 40 Coult Lane, Old Lyme, CT 06371.
- What is Karl Friedmann's phone number?
- The practice phone number listed in the NPPES registry for Karl Friedmann is (860) 434-2783.
- Is Karl Friedmann's NPI active?
- Yes — Karl Friedmann's NPI (1285956987) is active in the NPPES registry as of the last update on 2010-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.