NPPES file of Aug 9, 2026

Carl M. Williams, M.D.

Critical Care Medicine (Internal Medicine) Physician · Fort Wayne, IN

Carl M. Williams, M.D. is a critical care medicine (internal medicine) physician with a practice address in Fort Wayne, Indiana, and NPI 1003971490, issued on Dec 26, 2006. Check the license (Indiana 01064129A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1003971490
Name
Carl M. Williams
Credential
M.D.
Primary taxonomy
Critical Care Medicine (Internal Medicine) Physician 207RC0200X
License numbers
01064129A IN
60181-20 WI
016380 ME
MD434996 PA
Self-reported in NPPES; status is on the state search
Practice location
11104 Parkview Circle Dr, Fort Wayne, IN 46845
Phone
(260) 373-9700
Enumerated
Dec 26, 2006
Record last updated
May 14, 2026
Fax
(260) 373-9740
Medicaid IDs
200869120 IN
1003971490 WI
1021751160001 PA
Medicare enrollment
Enrolled (PECOS I20130322000205); accepts Medicare assignment
Medical or professional school
University Of Maryland School Of Medicine, 1995
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 11104 Parkview Circle Dr

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

  1. Melissa BaughmanFamily Nurse Practitioner1891936712
  2. David Clark, M.D.Gastroenterology Physician1679522924
  3. Thomas Curfman, M.D.Neurology Physician1184621641
  4. Robert Dempsey, M.D.Gastroenterology Physician1558567644
  5. Stacey Elwood, NPNurse Practitioner1346682234
  6. Joanne Fox, NPNurse Practitioner1699960583

Verify Carl M. Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Licensing Board of Indiana
    Search for license 01064129A
    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 Indiana 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through 3 group practices

  1. Mchs Hospitals IncMarshfield, WI
  2. Mercy Health System CorporationJanesville, WI
  3. Parkview Health System IncFort Wayne, IN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Carl M. Williams among 163 critical care medicine (internal medicine) physician records in Indiana

Carl M. Williams, M.D. is one of 163 critical care medicine (internal medicine) physician records with a practice address in Indiana. 93% 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 66% newer
  • In a Medicare fileYes · 93% of these records are
  • In the CMS Doctors and Clinicians fileYes · 87% of these records are
  • Graduated1995 · median 2006 among the 141 with a school on file
  • Record last updated2026 · 21% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Critical Care Medicine (Internal Medicine) Physician providers in Indiana

There are 163 critical care medicine (internal medicine) physician records in Indiana.

The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes

  1. Christopher Fuertes, DOFort Wayne, IN 468451700147147
  2. Hariom Joshi, M.D.Fort Wayne, IN 468451457616351
  3. Mahmoud KhreisFort Wayne, IN 468451619379427
  4. Dimitar Krastev, MDFort Wayne, IN 468451861029027
  5. Kelley Lockhart, M.D.Fort Wayne, IN 468451033192679
  6. Sophia Lubrin, MDFort Wayne, IN 468451235523143
  7. Abhimanyu Ravalani, M.D.Fort Wayne, IN 468451275105801
  8. Donghong Zhang, MDFort Wayne, IN 468451477577435

Common questions

What is Carl M. Williams, M.D.'s NPI number?

Carl M. Williams, M.D.'s National Provider Identifier (NPI) is 1003971490, issued on Dec 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Carl M. Williams, M.D. located?

The NPPES record lists a practice address at 11104 Parkview Circle Dr, Fort Wayne, IN, 46845. Phone: (260) 373-9700. Providers update this record themselves, so call before visiting.

How can I verify Carl M. Williams, M.D.'s license?

NPPES lists Indiana license number 01064129A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. 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.