Thatcher Heumann, M.D.
NPI 1649626797 · Medical Oncology Physician · Nashville, TN
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thatcher Heumann, M.D. is a Medical Oncology Physician provider in Nashville, TN (NPI 1649626797).
Provider details
- NPI number
- 1649626797
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 65517 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
265 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 92 | $137 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 64 | $92 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 45 | $75 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 33 | $174 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 17 | $119 |
| Hospital Discharge Day Management, 30 Minutes Or Less |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 26 | 15 |
| Apixabanbrand: Eliquis | 18 | — |
| Prochlorperazine Maleate | 18 | 13 |
| Ondansetron Hcl | 17 | 13 |
| Lenvatinib Mesylatebrand: Lenvima | 13 | — |
| Olanzapine | 13 | 11 |
| Ondansetronbrand: Ondansetron Odt | 11 | — |
Practice location
Mailing address
Additional practice locations (2)
- 1650 Orleans St Rm 186Baltimore, MD 21287-0013Phone: (410) 955-8893Fax: (410) 367-2194
- 550 1st AveNew York, NY 10016-6402Phone: (212) 263-5506
Registry dates
- Enumerated
- 2016-05-09
- Last updated
- 2025-06-20
- Certified
- 2025-06-20
Frequently asked questions
- What is Thatcher Heumann's NPI number?
- Thatcher Heumann's National Provider Identifier (NPI) is 1649626797, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thatcher Heumann's specialty?
- Thatcher Heumann is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Thatcher Heumann located?
- Thatcher Heumann's practice location on file with NPPES is 3601 the Vanderbilt Clinic, Nashville, TN 37232-0013.
- What is Thatcher Heumann's phone number?
- The practice phone number listed in the NPPES registry for Thatcher Heumann is (615) 936-2000.
- Does Thatcher Heumann accept Medicare?
- Thatcher Heumann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thatcher Heumann's NPI active?
- Yes — Thatcher Heumann's NPI (1649626797) is active in the NPPES registry as of the last update on 2025-06-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.