Doctor profile · Federal record

Dr. Michael Witt, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Irving, TX

  • NPI 1538117643
  • Accepts Medicare
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1901 N Macarthur Blvd, Inpatient Care Unit
Irving, TX 750612220
(972) 579-8485
Mailing address
2661 Flameleaf Dr
Grapevine, TX 760517174

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
March 13, 2023
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Texas #L0706
Medicaid
TX #144210503

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538117643. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
125
Distinct HCPCS
2
Medicare allowed
$16,695
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 101 93 $125
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 24 23 $171

In context: peer comparison

Among 34 peers in Irving Internal Medicine Physician, average services per provider: 294. This provider delivers 0.4× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Witt's medical specialty?
Dr. Michael Witt practices Internal Medicine Physician in Irving, TX.
Where does Dr. Michael Witt practice?
Dr. Michael Witt practices at 1901 N Macarthur Blvd, Irving, TX 750612220. Office phone: 9725798485.
What is Dr. Michael Witt's NPI?
Dr. Michael Witt's National Provider Identifier (NPI) is 1538117643, issued by NPPES.
Does Dr. Michael Witt accept Medicare assignment?
Yes. Dr. Michael Witt accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Witt commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.