Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Christopher J Nauman, M.D.

Hematology & Oncology Physician in Brockton, MA · enumerated 2006.

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

National Provider Identifier

1679531834

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Christopher J Nauman

Credential M.D.

Sex Male

Practice address 225 Quincy Ave, Brockton, MA, 02302

Phone (508) 586-1410

Enumeration date May 3, 2006

Last updated in NPPES Jan 4, 2022

Taxonomy & licenses

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 150645 (MA) 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
150645	Other	MA	TUFTS PROVIDER NUMBER
3192997	Medicaid	MA	-
439168	Other	MA	HARVARD PILGRIM HEALTH

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 Christopher Nauman?

The National Provider Identifier (NPI) for Christopher Nauman is 1679531834, a Type 1 (individual) record in the CMS NPPES registry.

Where does Christopher Nauman practice?

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

Other providers at this practice address

Browse all →

Medical Oncology & Hematology, P.C. Hematology & Oncology Physician · Brockton, MA NPI 1962464347 Karim Malek Hematology & Oncology Physician · Brockton, MA NPI 1104873843 Barry Cuiffo Hematology & Oncology Physician · Brockton, MA NPI 1528094646 Richard Samaha Medical Oncology Physician · Brockton, MA NPI 1720121205 Unlimited Behavioral Health Services of Massachusetts, LLC Community/Behavioral Health Agency · Brockton, MA NPI 1790189439 Unlimited Behavioral Health Services of Massachusetts, LLC Community/Behavioral Health Agency · Brockton, MA NPI 1245771187 Ashley Hinds Clinical Social Worker · Brockton, MA NPI 1366919466 Sondra Bray Mental Health Counselor · Brockton, MA NPI 1811513484

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-01-04.