Doctor profile · Federal record

Dr. Carl Williams, M.D.

Critical Care Medicine (Internal Medicine) Physician (CMS: Critical Care (Intensivists)) · Pulmonary Disease Physician · Critical Care Medicine (Internal Medicine) Physician · Pulmonary Disease Physician · Critical Care Medicine (Internal Medicine) Physician · Pulmonary Disease Physician · Pulmonary Disease Physician · Pulmonary Disease Physician · Critical Care Medicine (Internal Medicine) Physician · Fort Wayne, IN

  • NPI 1003971490
  • Accepts Medicare
  • 31 yrs in practice
  • Licensed in 4 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
11104 Parkview Circle Dr
Fort Wayne, IN 468451672
(260) 373-9700
fax (260) 373-9740
Additional location
1001 E Primrose St
Springfield, MO 658075155
(417) 875-3000
Additional location
3400 Ministry Pkwy
Weston, WI 544765220
(715) 393-1000
Mailing address
3400 Ministry Pkwy
Weston, WI 544765220

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
January 9, 2026
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State licenses (5)
Wisconsin #60181-20 · Pennsylvania #MD434996 · Indiana #01064129A · Maine #016380 · Wisconsin #60181
Medicaid (3)
IN #200869120 · WI #1003971490 · PA #1021751160001

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003971490. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
78
Distinct HCPCS
2
Medicare allowed
$9,582
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 48 23 $75
99291 Critical care, first 30-74 minutes 30 20 $199

In context: peer comparison

Among 9 peers in Fort Wayne Critical Care Medicine (Internal Medicine) Physician, average services per provider: 91. This provider delivers 0.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Carl Williams's medical specialty?
Dr. Carl Williams practices Critical Care Medicine (Internal Medicine) Physician in Fort Wayne, IN.
Where does Dr. Carl Williams practice?
Dr. Carl Williams practices at 11104 Parkview Circle Dr, Fort Wayne, IN 468451672. Office phone: 2603739700.
What is Dr. Carl Williams's NPI?
Dr. Carl Williams's National Provider Identifier (NPI) is 1003971490, issued by NPPES.
Does Dr. Carl Williams accept Medicare assignment?
Yes. Dr. Carl Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Carl Williams commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.