Thomas Regenbogen, MD
NPI 1326369794 · Medical Oncology Physician · Ypsilanti, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Regenbogen, MD is a Medical Oncology Physician provider in Ypsilanti, MI (NPI 1326369794).
Provider details
- NPI number
- 1326369794
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301111453 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
836 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 241 | $16 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 169 | $181 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 163 | $128 |
| Enhancing Oncology Model (eom) Monthly Enhanced Oncology Services (meos) Payment for Eom Enhanced ServicesM0010 | 57 | $75 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 50 | $119 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 88 | 18 |
| Prednisone | 86 | 22 |
| Anastrozole | 84 | 34 |
| Prochlorperazine Maleate | 74 | 55 |
| Abiraterone Acetate | 62 | 12 |
| Dexamethasone | 46 | 32 |
| Olanzapine | 45 | 25 |
| Hydroxyurea |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-06-19
- Last updated
- 2024-12-19
- Certified
- 2023-06-08
Frequently asked questions
- What is Thomas Regenbogen's NPI number?
- Thomas Regenbogen's National Provider Identifier (NPI) is 1326369794, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Regenbogen's specialty?
- Thomas Regenbogen is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Regenbogen located?
- Thomas Regenbogen's practice location on file with NPPES is 5303 Elliot Dr., Ypsilanti, MI 48197.
- What is Thomas Regenbogen's phone number?
- The practice phone number listed in the NPPES registry for Thomas Regenbogen is (734) 712-1000.
- Does Thomas Regenbogen accept Medicare?
- Thomas Regenbogen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Regenbogen's NPI active?
- Yes — Thomas Regenbogen's NPI (1326369794) is active in the NPPES registry as of the last update on 2024-12-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.