NPPES file of Aug 9, 2026

Janet L. Chapman, M.D.

Hematology & Oncology Physician · Royal Oak, MI

Janet L. Chapman, M.D. is a hematology & oncology physician with a practice address in Royal Oak, Michigan, and NPI 1972723385, issued on Apr 26, 2007. Check the license (Michigan 4301039925, as entered in NPPES) on the Michigan Board of Medicine (LARA); the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1972723385
Name
Janet L. Chapman
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
4301039925 MI
Self-reported in NPPES; status is on the state search
Practice location
5130 Coolidge Hwy, Royal Oak, MI 48073
Phone
(248) 288-9500
Enumerated
Apr 26, 2007
Record last updated
Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(248) 288-0044
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest hematology & oncology physician records → All 340 in Michigan → Look up another NPI →

Also registered at 5130 Coolidge Hwy

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Theresa Carrier-Torrealba, FNP-CFamily Nurse Practitioner1144823535
  2. Gargi ChokshiPhysical Therapist1649584244
  3. Kenneth Gahry, PA-C, MSMedical Physician Assistant1922094689
  4. Mumtaz George, M.D.Internal Medicine Physician1265523302
  5. Samaria Hall, NPFamily Nurse Practitioner1477207942
  6. Kelly Hess, FNP-BC, NP-CFamily Nurse Practitioner1619228061

Verify Janet L. Chapman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301039925    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Janet L. Chapman among 340 hematology & oncology physician records in Michigan

Janet L. Chapman, M.D. is one of 340 hematology & oncology physician records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 41% of them.

  • NPI issued2007 · 41% of these records are older, 47% newer
  • In a Medicare fileNo · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 61% of these records are
  • Record last updated2007 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Michigan

There are 340 hematology & oncology physician records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 340 in Michigan → Every provider in Royal Oak → Hematology & Oncology Physician nationwide →

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Samer Ballouz, M.D.Royal Oak, MI 480731528068020
  2. Matthew Cotant, M.D.Royal Oak, MI 480731003930215
  3. Marianne Huben, D.O.Royal Oak, MI 480731871552414
  4. Mohammed Ibrahim, MDRoyal Oak, MI 480731891701082
  5. Deepa Jagtap, M.D.Royal Oak, MI 480731629190095
  6. Ishmael Jaiyesimi, D.O.Royal Oak, MI 480731538128178
  7. Manolo Magno, M.D.Royal Oak, MI 480731659371151
  8. Laura Nadeau, M.D.Royal Oak, MI 480731457340390

Common questions

What is Janet L. Chapman, M.D.'s NPI number?

Janet L. Chapman, M.D.'s National Provider Identifier (NPI) is 1972723385, issued on Apr 26, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Janet L. Chapman, M.D. located?

The NPPES record lists a practice address at 5130 Coolidge Hwy, Royal Oak, MI, 48073. Phone: (248) 288-9500. Providers update this record themselves, so call before visiting.

How can I verify Janet L. Chapman, M.D.'s license?

NPPES lists Michigan license number 4301039925, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.