Gregory Hermann, M.D.
NPI 1912392564 · Radiation Oncology Physician · Detroit, MI
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Hermann, M.D. is a Radiation Oncology Physician provider in Detroit, MI (NPI 1912392564).
Provider details
- NPI number
- 1912392564
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036152094 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
2,123 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 469 | $43 |
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 367 | $43 |
| Calculation of Radiation Therapy Dose77300 | 152 | $31 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 147 | $183 |
| Telephone Medical Discussion With Physician, 5-10 Minutes99441 | 125 | $34 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 104 | $183 |
| Calculation of Radiation Therapy Dose |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 71 | 32 |
| Lidocaine Hclbrand: Lidocaine Hcl Viscous | 45 | 21 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 31 | 21 |
| Bicalutamide | 27 | 20 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 19 | — |
| Sucralfate | 17 | 14 |
| Omeprazole |
Practice location
Mailing address
Additional practice locations (1)
- 530 Ne Glen Oak AvePeoria, IL 61637Phone: (309) 655-6810Fax: (309) 655-4041
Registry dates
- Enumerated
- 2015-03-31
- Last updated
- 2025-04-01
- Certified
- 2025-04-01
Frequently asked questions
- What is Gregory Hermann's NPI number?
- Gregory Hermann's National Provider Identifier (NPI) is 1912392564, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Hermann's specialty?
- Gregory Hermann is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Hermann located?
- Gregory Hermann's practice location on file with NPPES is 2799 W Grand Blvd, Detroit, MI 48202-2608.
- What is Gregory Hermann's phone number?
- The practice phone number listed in the NPPES registry for Gregory Hermann is (313) 916-2600.
- Does Gregory Hermann accept Medicare?
- Gregory Hermann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Hermann's NPI active?
- Yes — Gregory Hermann's NPI (1912392564) is active in the NPPES registry as of the last update on 2025-04-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.