Registry data as of Aug 27, 2026

Charles Siedlecki, MD

Hospitalist Physician · Ann Arbor, MI

Charles Siedlecki, MD is a hospitalist physician with a practice address in Ann Arbor, Michigan, and NPI 1588023113, issued on Feb 10, 2016. Check the license (Michigan 4301501950, as entered in NPPES) on the Michigan Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1588023113
Name
Charles Siedlecki
Credential
MD
Primary taxonomy
Hospitalist Physician 208M00000X
License number
4301501950 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
Feb 10, 2016
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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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, MDInternal Medicine Physician1144305301
  3. Rajani Aatre, M.S., M.SC.Counselor1962122457
  4. Anjelica Abate, MDStudent in an Organized Health Care Education/Training Program1841819216
  5. Nicole Abbott, CRNACertified Registered Nurse Anesthetist1790329860
  6. Ahmed Abdel-Latif, M.D.Cardiovascular Disease Physician1518181239

Verify Charles Siedlecki in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine
    Search for license 4301501950
    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.

One hospital or facility affiliation

  1. Regents OF The University OF MichiganAnn Arbor, MI

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Hospitalist Physician providers in Michigan

There are 301 hospitalist physician records in Michigan.

Other hospitalist physician records in Michigan

  1. Jamie Therese Abad, MDDetroit, MI1700573359
  2. Ibrahim Abdullah, MDDetroit, MI1225395692
  3. Megan Acho, M.D.Ann Arbor, MI1104168343
  4. Alexander Adams, MDYpsilanti, MI1295135101
  5. Anna Adams, DOYpsilanti, MI1306306329
  6. Sana Ahmed, M.D.Ypsilanti, MI1235263179
  7. Eyad Akhras, M.D.Detroit, MI1710055231
  8. Hiba Al Jammala, MDDetroit, MI1255892915
  9. Chidamber Alamelumangapuram, MDJackson, MI1992956122
  10. Malaz Alatassi, M.D.Shelby Township, MI1023069770

Common questions

What is Charles Siedlecki, MD's NPI number?

Charles Siedlecki, MD's National Provider Identifier (NPI) is 1588023113, issued on Feb 10, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Charles Siedlecki, 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 Siedlecki, MD's license?

NPPES lists Michigan license number 4301501950, as entered by the provider. Search the Michigan Board of Medicine at https://www.michigan.gov/lara/bureau-list/bpl/health/hp-lic-health-prof/medical. 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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.