Thomas Enzler, MD
NPI 1811145535 · Medical Oncology Physician · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Enzler, MD is a Medical Oncology Physician provider in Ann Arbor, MI (NPI 1811145535).
Provider details
- NPI number
- 1811145535
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301116202 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 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
551 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 186 | $97 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 107 | $66 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 88 | $92 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 64 | $79 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 39 | $36 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetron Hcl | 81 | 62 |
| Prochlorperazine Maleate | 74 | 54 |
| Lipase/Protease/Amylasebrand: Creon | 68 | 23 |
| Lidocaine/Prilocainebrand: Lidocaine-Prilocaine | 57 | 41 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 56 | 25 |
| Oxycodone Hcl | 53 | 19 |
| Olanzapine |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$141 across 1 record (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
- 2008-09-06
- Last updated
- 2020-02-05
- Certified
- 2020-02-05
Frequently asked questions
- What is Thomas Enzler's NPI number?
- Thomas Enzler's National Provider Identifier (NPI) is 1811145535, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Enzler's specialty?
- Thomas Enzler is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Enzler located?
- Thomas Enzler's practice location on file with NPPES is 1500 East Medical Center Dr, Ann Arbor, MI 48109-5912.
- What is Thomas Enzler's phone number?
- The practice phone number listed in the NPPES registry for Thomas Enzler is (734) 647-8902.
- Does Thomas Enzler accept Medicare?
- Thomas Enzler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Enzler's NPI active?
- Yes — Thomas Enzler's NPI (1811145535) is active in the NPPES registry as of the last update on 2020-02-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.