NPPES file of Aug 9, 2026

Carl J. Koschmann, MD

Pediatric Hematology & Oncology Physician · Ann Arbor, MI

Carl J. Koschmann, MD is a pediatric hematology & oncology physician with a practice address in Ann Arbor, Michigan, and NPI 1033301411, issued on Aug 9, 2007. Check the license (Michigan 4301098041, 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
1033301411
Name
Carl J. Koschmann
Credential
MD
Primary taxonomy
Pediatric Hematology & Oncology Physician 2080P0207X
License numbers
4301098041 MI
ML20009004 WA
Self-reported in NPPES; status is on the state search
Practice location
1500 E Medical Center Dr, Ann Arbor, MI 48109
Phone
(734) 936-4000
Enumerated
Aug 9, 2007
Record last updated
Nov 7, 2019 (not updated in 7 years: call before relying on the address or phone)
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 pediatric hematology & oncology physician records → All 102 in Michigan → Look up another NPI →

Also registered at 1500 E Medical Center Dr

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

  1. Bryan Aaron, MDObstetrics & Gynecology Physician1578307724
  2. Keith Aaronson, MDAdvanced Heart Failure and Transplant Cardiology Physician1144305301
  3. Rajani Aatre, M.S., M.SC.Genetic Counselor (M.S.)1962122457
  4. Anjelica Abate, MDDiagnostic Radiology Physician1841819216
  5. Nicole Abbott, CRNACertified Registered Nurse Anesthetist1790329860
  6. Ahmed Abdel-Latif, M.D.Interventional Cardiology Physician1518181239

Verify Carl J. Koschmann 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 4301098041    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

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Carl J. Koschmann among 102 pediatric hematology & oncology physician records in Michigan

Carl J. Koschmann, MD is one of 102 pediatric hematology & oncology physician records with a practice address in Michigan. 65% 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 33% of them.

  • NPI issued2007 · 33% of these records are older, 55% newer
  • In a Medicare fileNo · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 48% of these records are
  • Record last updated2019 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0207X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Hematology & Oncology Physician providers in Michigan

There are 102 pediatric hematology & oncology physician records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 102 in Michigan → Every provider in Ann Arbor → Pediatric Hematology & Oncology Physician nationwide →

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

  1. Ghada Abusin, M.D.Ann Arbor, MI 481091992981435
  2. Craig ByersdorferAnn Arbor, MI 481091679697056
  3. Andrew Campbell, MDAnn Arbor, MI 481091770593303
  4. Sung Won Choi, MDAnn Arbor, MI 481091295745826
  5. Patrick Grohar, MD, PHDAnn Arbor, MI 481091225175201
  6. Raymond Hutchinson, MDAnn Arbor, MI 481091003921438
  7. Rajen Mody, MB BSAnn Arbor, MI 481091548270176
  8. Valerie Opipari, MDAnn Arbor, MI 481091689684219

Common questions

What is Carl J. Koschmann, MD's NPI number?

Carl J. Koschmann, MD's National Provider Identifier (NPI) is 1033301411, issued on Aug 9, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Carl J. Koschmann, MD located?

The NPPES record lists a practice address at 1500 E Medical Center Dr, Ann Arbor, MI, 48109. Phone: (734) 936-4000. Providers update this record themselves, so call before visiting.

How can I verify Carl J. Koschmann, MD's license?

NPPES lists Michigan license number 4301098041, 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.