Doctor profile · Federal record

Dr. Jacob Witt, M.D.

Radiation Oncology Physician (CMS: Radiation Oncology) · O Fallon, IL

  • NPI 1891157871
  • Accepts Medicare
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
321 Regency Park Ste 100
O Fallon, IL 622691887
(618) 416-7970
fax (618) 416-7971
Mailing address
Po Box 25228
Decatur, IL 625255228

Credentials & registration

NPPES · NUCC
NPI registered
March 2016 — 10 yrs on file
Profile last updated
October 2, 2025
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
Illinois #036150707

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891157871. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,228
Distinct HCPCS
10
Medicare allowed
$171,385
HCPCS Description Services Patients Avg allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 3,700 28 $0
77014 Ct guidance for insertion of radiation therapy fields 628 46 $45
77300 Calculation of radiation therapy dose 202 43 $33
77427 Radiation treatment management, 5 treatment sessions 141 39 $193
99213 Established patient office or other outpatient visit, 20-29 minutes 90 55 $67
77334 Design and construction of complex radiation treatment device 78 17 $60
77263 Complex radiation therapy planning 50 44 $171
99214 Established patient office or other outpatient visit, 30-39 minutes 49 31 $98
77338 Design and construction of radiation treatment device for high precision radiation therapy 39 34 $224
99205 New patient office or other outpatient visit, 60-74 minutes 38 38 $184

In context: peer comparison

Among 2 peers in this city , average services per provider: 215. This provider delivers 24× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,511
Transactions
97
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 17 $292.26
Merck Sharp & Dohme LLC 11 $230.15
AstraZeneca Pharmaceuticals LP 9 $189.37
Janssen Biotech, Inc. 9 $178.72
Incyte Corporation 9 $155.42
ABBVIE INC. 6 $130.83
PFIZER INC. 8 $130.70
Takeda Pharmaceuticals U.S.A., Inc. 5 $126.98
Regeneron Healthcare Solutions, Inc. 5 $117.76
JAZZ PHARMACEUTICALS INC. 4 $111.16
Bayer Healthcare Pharmaceuticals Inc. 4 $76.96
Stemline Therapeutics Inc. 3 $67.40
Coherus Biosciences Inc. 3 $63.46
Daiichi Sankyo Inc. 2 $50.95
EMD Serono, Inc. 2 $49.79

By nature of payment

Food and Beverage
$2,511

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
90
Patients
27
Total drug cost
$794
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 30 0 $366
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 25 13 $256
Lorazepam Generic 20 14 $50
Dexamethasone Generic 15 0 $122

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jacob Witt's medical specialty?
Dr. Jacob Witt practices Radiation Oncology Physician in O Fallon, IL.
Where does Dr. Jacob Witt practice?
Dr. Jacob Witt practices at 321 Regency Park Ste 100, O Fallon, IL 622691887. Office phone: 6184167970.
What is Dr. Jacob Witt's NPI?
Dr. Jacob Witt's National Provider Identifier (NPI) is 1891157871, issued by NPPES.
Does Dr. Jacob Witt accept Medicare assignment?
Yes. Dr. Jacob Witt accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jacob Witt commonly perform?
Top Medicare-reported procedures in 2023: Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Calculation of radiation therapy dose (HCPCS 77300). Source: CMS Medicare Physician & Other Practitioners file.