Update this page – If you believe information in your NPPES record is inaccurate, or if you wish to update or deactivate your NPI, you can do so directly with CMS.
Individual
DR. FREDERICK CARL KOERNER
Active
Individual
DR. FREDERICK CARL KOERNER
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
ME
Taxonomy
Speciality
Code
Description
License number
State
207ZP0101X
Anatomic Pathology Physician
Primary
43527
MA
Other
Other identifiers
Code
Description
Identifier
Issuer
State
01
—
043527
TUFTS HEALTH PLAN
MA
05
—
6169759
—
MA
01
—
J02496
BCBS MA
MA
Enumeration date
10/28/2005
Last updated
07/13/2026
About Stedi
Stedi is the only programmable healthcare clearinghouse. You can use Stedi's APIs to process eligibility checks, claims, remits, and more.
Sign up