Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Prof. Janet L Chapman, M.D.

Hematology & Oncology Physician in Royal Oak, MI · enumerated 2007.

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

National Provider Identifier

1972723385

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Registry record

Entity type Individual (Type 1)

Name Prof. Janet L Chapman

Credential M.D.

Sex Female

Practice address Royal Oak, MI, 48073

Phone (248) 288-9500

Fax (248) 288-0044

Enumeration date Apr 26, 2007

Last updated in NPPES Jul 9, 2007

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 4301039925 (MI) 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
OF36464	Other	MI	BCBS PROVIDER ID

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

Is NPI 1972723385 active?

Yes, as of the latest NPPES snapshot, NPI 1972723385 is active (record last updated 2007-07-09).

How do I verify Janet Chapman's NPI record?

Cross-check NPI 1972723385 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Other providers at this practice address

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Kenneth Gahry Medical Physician Assistant · Royal Oak, MI NPI 1922094689 Royal Oak Medical Center PC Ambulatory Surgical Clinic/Center · Royal Oak, MI NPI 1881795045 Mumtaz George Internal Medicine Physician · Royal Oak, MI NPI 1265523302 Royal Oak Medical Center PC Clinic/Center · Royal Oak, MI NPI 1184704728 Royal Oak Medical Center, P.C. Family Medicine Physician · Royal Oak, MI NPI 1255469813 Advanced Foot & Ankle Care Center 2 Pllc Foot & Ankle Surgery Podiatrist · Royal Oak, MI NPI 1922275478 Kinjal Patel Physical Therapist · Royal Oak, MI NPI 1043456791 Birmingham Royal Oak Medical Group Family Medicine Physician · Royal Oak, MI NPI 1699907550

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-09.