Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John D Hainsworth, MD

Medical Oncology Physician in Nashville, TN · enumerated 2006.

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

National Provider Identifier

1275578684

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Registry record

Entity type Individual (Type 1)

Name John D Hainsworth

Credential MD

Sex Male

Practice address 250 25th Ave N, Ste 100, Nashville, TN, 37203

Phone (615) 320-5090

Fax (615) 320-1225

Enumeration date Jun 19, 2006

Last updated in NPPES Jan 24, 2012

Taxonomy & licenses

207RX0202X Medical Oncology Physician Allopathic & Osteopathic Physicians · License 10908 (TN) 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
3186453	Medicaid	TN	-
830000781	Other	-	RAILROAD MEDICARE
3640087	Other	-	UNITED HEALTHCARE
0085151	Other	-	BCBS OF TN
4067679	Other	-	AETNA
64770068	Medicaid	KY	-

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.

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Frequently asked questions

What is the NPI number for John Hainsworth?

The National Provider Identifier (NPI) for John Hainsworth is 1275578684, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Hainsworth practice?

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

Other providers at this practice address

Browse all →

Cheryl Rudnicke Nurse Practitioner · Nashville, TN NPI 1134122187 Tennessee Oncology Pllc Hematology & Oncology Physician · Nashville, TN NPI 1649228735 Ian Flinn Hematology & Oncology Physician · Nashville, TN NPI 1417990367 Howard Burris Medical Oncology Physician · Nashville, TN NPI 1417992397 Jesus Berdeja Hematology & Oncology Physician · Nashville, TN NPI 1902842412 Frank Greco Medical Oncology Physician · Nashville, TN NPI 1497791602 Denise Yardley Hematology & Oncology Physician · Nashville, TN NPI 1801829114 Dana Thompson Medical Oncology Physician · Nashville, TN NPI 1306862669

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-01-24.