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Ms. Karel M Koenig, APRN

Family Medicine Physician in New Haven, CT · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1801903828

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Registry record

Entity type Individual (Type 1)
Name Ms. Karel M Koenig
Credential APRN
Sex Female
Practice address 374 Grand Ave, New Haven, CT, 06513
Phone (203) 777-7411
Enumeration date Aug 24, 2006
Last updated in NPPES Dec 15, 2010

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 002494 (CT) Primary
APRN · Advanced Practice Registered Nurse: An umbrella credential covering NPs, CRNAs, CNMs, and clinical nurse specialists. About the APRN credential

Other identifiers

Identifier Type State Issuer
002494 Other CT LICENSE NUMBER

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Karel Koenig?
The National Provider Identifier (NPI) for Karel Koenig is 1801903828, a Type 1 (individual) record in the CMS NPPES registry.
Where does Karel Koenig practice?
The practice location on file with NPPES is in New Haven, CT. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-12-15.