Doctor profile · Federal record

Dr. Thomas Witzig, M.D.

Hematology (Internal Medicine) Physician (CMS: Hematology) · Rochester, MN

  • NPI 1508846791
  • Accepts Medicare
  • 47 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 1St St Sw
Rochester, MN 559050001
(507) 284-2511

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
August 21, 2020
Year of graduation
1979 — 47 yrs since
Specialty taxonomy
207RH0000X — NUCC code
State license (1)
Minnesota #27220
Medicaid
MN #805318900

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508846791. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
234
Distinct HCPCS
6
Medicare allowed
$32,762
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 85 67 $177
99214 Established patient office or other outpatient visit, 30-39 minutes 79 64 $127
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 22 22 $65
99204 New patient office or other outpatient visit, 45-59 minutes 21 21 $164
99213 Established patient office or other outpatient visit, 20-29 minutes 16 12 $90
99443 Telephone medical discussion with physician, 21-30 minutes 11 11 $126

In context: peer comparison

Among 32 peers in Rochester Hematology (Internal Medicine) Physician, average services per provider: 181. This provider delivers 1.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$17,382
Transactions
15
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Genmab U.S., INC. 15 $17,381.59

By nature of payment

Travel and Lodging
$10,433
Consulting Fee
$6,750
Food and Beverage
$198

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
78
Patients
0
Total drug cost
$1,030
Drug Type Claims Patients Total cost
Acyclovir Generic 23 0 $632
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 18 0 $150
Dexamethasone Generic 15 0 $121
Olanzapine Generic 11 0 $27
Ondansetron Hcl Generic 11 0 $101

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Witzig's medical specialty?
Dr. Thomas Witzig practices Hematology (Internal Medicine) Physician in Rochester, MN.
Where does Dr. Thomas Witzig practice?
Dr. Thomas Witzig practices at 200 1St St Sw, Rochester, MN 559050001. Office phone: 5072842511.
What is Dr. Thomas Witzig's NPI?
Dr. Thomas Witzig's National Provider Identifier (NPI) is 1508846791, issued by NPPES.
Does Dr. Thomas Witzig accept Medicare assignment?
Yes. Dr. Thomas Witzig accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Witzig commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Infusion into a vein for therapy, prevention, or diagnosis (HCPCS 96365). Source: CMS Medicare Physician & Other Practitioners file.