Jacob Witt, M.D.
NPI 1891157871 · Radiation Oncology Physician · O Fallon, IL
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jacob Witt, M.D. is a Radiation Oncology Physician provider in O Fallon, IL (NPI 1891157871).
Provider details
- NPI number
- 1891157871
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036150707 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,485 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 1,073 | $43 |
| Calculation of Radiation Therapy Dose77300 | 406 | $31 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 324 | $185 |
| Stereoscopic X-Ray Guidance for Localization of Target Volume for the Delivery of Radiation TherapyG6002 | 322 | $20 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 189 | $64 |
| Design and Construction of Complex Radiation Treatment Device77334 | 180 | $57 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 60 | 18 |
| Lidocaine Hclbrand: Lidocaine Hcl Viscous | 46 | 21 |
| Dexamethasone | 34 | 16 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 30 | 19 |
| Lorazepam | 26 | 23 |
| Mometasone Furoate | 22 | 16 |
| Ondansetron Hcl | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,511 across 123 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-03-28
- Last updated
- 2025-10-02
- Certified
- 2025-10-02
Frequently asked questions
- What is Jacob Witt's NPI number?
- Jacob Witt's National Provider Identifier (NPI) is 1891157871, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jacob Witt's specialty?
- Jacob Witt is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Jacob Witt located?
- Jacob Witt's practice location on file with NPPES is 321 Regency Park Ste 100, O Fallon, IL 62269-1887.
- What is Jacob Witt's phone number?
- The practice phone number listed in the NPPES registry for Jacob Witt is (618) 416-7970.
- Does Jacob Witt accept Medicare?
- Jacob Witt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jacob Witt's NPI active?
- Yes — Jacob Witt's NPI (1891157871) is active in the NPPES registry as of the last update on 2025-10-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.