Thomas Hartzell, MD
NPI 1619966256 · Obstetrics & Gynecology Physician · Saint Clair Shores, MI
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Hartzell, MD is a Obstetrics & Gynecology Physician provider in Saint Clair Shores, MI (NPI 1619966256).
Provider details
- NPI number
- 1619966256
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301052970 (MI)
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
20 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
202 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 68 | $90 |
| Cervical Or Vaginal Cancer Screening; Pelvic and Clinical Breast ExaminationG0101 | 63 | $40 |
| Screening Papanicolaou Smear; Obtaining, Preparing and Conveyance of Cervical Or Vaginal Smear to LaboratoryQ0091 | 36 | $44 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 18 | $19 |
| Pelvic Exam99459 | 17 | $21 |
Typical Medicare-allowed amounts for these services range $19–$90 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
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 |
|---|---|---|
| Estradiol | 91 | 33 |
| Alendronate Sodium | 31 | 12 |
| Medroxyprogesterone Acetate | 28 | — |
| Nystatin/Triamcinolone Acetbrand: Nystatin-Triamcinolone | 24 | 17 |
| Clobetasol Propionate | 17 | 11 |
| Metronidazole | 14 | 12 |
| Alprazolam | 13 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-17
- Last updated
- 2019-09-09
Frequently asked questions
- What is Thomas Hartzell's NPI number?
- Thomas Hartzell's National Provider Identifier (NPI) is 1619966256, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Hartzell's specialty?
- Thomas Hartzell is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Hartzell located?
- Thomas Hartzell's practice location on file with NPPES is 21000 E 12 Mile Rd, Saint Clair Shores, MI 48081-1156.
- What is Thomas Hartzell's phone number?
- The practice phone number listed in the NPPES registry for Thomas Hartzell is (800) 848-0202.
- Does Thomas Hartzell accept Medicare?
- Thomas Hartzell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Hartzell's NPI active?
- Yes — Thomas Hartzell's NPI (1619966256) is active in the NPPES registry as of the last update on 2019-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.