Registry data as of Aug 27, 2026

Karl Friedmann, M.D.

Family Medicine Physician · Old Lyme, CT

Karl Friedmann, M.D. is a family medicine physician with a practice address in Old Lyme, Connecticut, and NPI 1285956987, issued on Feb 22, 2010. Check the license on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1285956987
Name
Karl Friedmann
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
Practice location
40 Coult Lane, Old Lyme, CT 06371
Phone
(860) 434-2783
Enumerated
Feb 22, 2010
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Karl Friedmann in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining BoardCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

100% fewer Medicare Part D claims than the average family medicine physician in 2024

15 Medicare Part D claims, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Karl Friedmann15
  2. Specialty average3,519

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

8 family medicine physician records list a Old Lyme practice address

They are 8 of the 108 NPPES records with a Old Lyme practice address, and 923 family medicine physician records in Connecticut.

Other family medicine physician records in Connecticut

  1. Thomas Abbenante, M.D.Milford, CT1821232034
  2. Yadira Acevedo, MDPortland, CT1093991077
  3. Rodrigo Acosta, M.D.Stamford, CT1023102092
  4. Momina Afrede, DOVernon, CT1750842951
  5. Alireza Afshar, MDNewtown, CT1750401071
  6. Manju Aggarwal, MDNewington, CT1952480840
  7. Thomas Agresta, M.D.Hartford, CT1194775965
  8. Faustina Agyapong, APRN, FNP-CMiddletown, CT1619482510
  9. Karren AgyekumEast Hampton, CT1508296542
  10. James Ahern, M.D.Ridgefield, CT1356385868

Common questions

What is Karl Friedmann, M.D.'s NPI number?

Karl Friedmann, M.D.'s National Provider Identifier (NPI) is 1285956987, issued on Feb 22, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Karl Friedmann, M.D. located?

The NPPES record lists a practice address at 40 Coult Lane, Old Lyme, CT, 06371. Phone: (860) 434-2783. Providers update this record themselves, so call before visiting.

How can I verify Karl Friedmann, M.D.'s license?

Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Karl Friedmann, M.D. prescribe under Medicare Part D?

In 2024, Karl Friedmann, M.D. had 15 Medicare Part D claims; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.