Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Joseph G Sinning, MD

Hematology & Oncology Physician in Plainville, CT · enumerated 2006.

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

National Provider Identifier

1578571576

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Registry record

Entity type Individual (Type 1)

Name Joseph G Sinning

Credential MD

Sex Male

Practice address 201 N Mountain Rd Ste 202, Plainville, CT, 06062

Phone (860) 224-4408

Enumeration date Aug 4, 2006

Last updated in NPPES Aug 17, 2020

Taxonomy & licenses

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 037251 (CT) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
3143858002	Other	-	CIGNA
3521911693002	Other	-	EMPLOYER ID
761602	Other	-	CONNECTICARE
00137251501	Other	-	WORKERS COMP
010037251CT01	Other	CT	ANTHEM BCBS
001372515	Medicaid	CT	-
010037251CT01	Other	-	BLUE CORSS SHIELD
197880	Other	-	WELLCARE
037251	Other	-	STATE ID
830008626	Other	-	RAILROAD MEDICARE
P2197355	Other	-	OXFORD
2V2915	Other	-	HEALTH NET
7370173	Other	-	AETNA

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 Joseph Sinning?

The National Provider Identifier (NPI) for Joseph Sinning is 1578571576, a Type 1 (individual) record in the CMS NPPES registry.

Where does Joseph Sinning practice?

The practice location on file with NPPES is in Plainville, CT. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Krishna Gunturu Hematology & Oncology Physician · Plainville, CT NPI 1699881037 Michael Kuncewitch Surgical Oncology Physician · Plainville, CT NPI 1245468321 Karli Leone Medical Physician Assistant · Plainville, CT NPI 1477027175 Peter Hopmann Surgery Physician · Plainville, CT NPI 1194285239 Catherine Cannan Adult Health Nurse Practitioner · Plainville, CT NPI 1740821115 Megan Kokoszka Adult Health Nurse Practitioner · Plainville, CT NPI 1235876715

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-17.