Dr. Jack Cossman MD
About this NPIWhat this record shows.
NPI 1912318304 is registered to Dr. Jack Cossman MD, a Dermatology practising at 20 York St, Yale New Haven Hospital in New Haven, Connecticut. Dermatology is a medical specialty focused on conditions affecting the skin, hair, and nails, including acne, eczema, psoriasis, skin cancer screenings, and cosmetic procedures. Dr. Jack Cossman MD has been enumerated in the National Provider Identifier (NPI) registry since 2014.
Your brand here.
Medicare enrollment
This provider holds 4 Medicare enrollments on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20180801001581DermatologyNY
- I20221212001741DermatologyNJ
- I20230807000579DermatologyCA
- I20250929002970DermatologyME
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Dr. Jack Cossman MD accepts. To confirm in-network status with your specific health plan, contact Dr. Jack Cossman MD directly at (203) 688-4242.
Frequently asked
Yes. NPI 1912318304 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Dermatology is a medical specialty focused on conditions affecting the skin, hair, and nails, including acne, eczema, psoriasis, skin cancer screenings, and cosmetic procedures.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (203) 688-4242.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Dr. Jack Cossman MD is a Type-1 individual NPI.