Charles Warren Ross, MD
Anatomic Pathology & Clinical Pathology Physician · Ann Arbor, MI
Charles Warren Ross, MD is an anatomic pathology & clinical pathology physician with a practice address in Ann Arbor, Michigan, and NPI 1396827275, issued on Oct 19, 2006. Check the license (Michigan 4301048165, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Charles Warren Ross
- Credential
- MD
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- 4301048165 MI
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
- Oct 19, 2006
- Record last updated
- Mar 11, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- 2750780 MI
- Medicare enrollment
- Enrolled (PECOS I20100123000079); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1983
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 561 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.
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Verify Charles Warren Ross in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301048165Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Regents OF The University OF MichiganAnn Arbor, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles Warren Ross among 561 anatomic pathology & clinical pathology physician records in Michigan
Charles Warren Ross, MD is one of 561 anatomic pathology & clinical pathology physician records with a practice address in Michigan. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 52% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated1983 · median 2002 among the 306 with a school on file
- Record last updated2020 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in Michigan
There are 561 anatomic pathology & clinical pathology physician records in Michigan.
All 561 in Michigan → Every provider in Ann Arbor → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Henry Appelman, MDAnn Arbor, MI 481091902987449
- Lois Arend, MDAnn Arbor, MI 481091134149578
- Michael Caplan, MDAnn Arbor, MI 481091154345122
- Stephen Chensue, M.D.Ann Arbor, MI 481091386730364
- Julia Dahl, M.D.Ann Arbor, MI 481091467436360
- Robertson Davenport, MDAnn Arbor, MI 481091669553004
- Andrew Flint, MDAnn Arbor, MI 481091114008562
- Joel Greenson, MDAnn Arbor, MI 481091063593416
Common questions
What is Charles Warren Ross, MD's NPI number?
Charles Warren Ross, MD's National Provider Identifier (NPI) is 1396827275, issued on Oct 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles Warren Ross, 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 Charles Warren Ross, MD's license?
NPPES lists Michigan license number 4301048165, 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
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.