Quick answers
- Does Thomas J. Hierspiel accept Medicare assignment?
- Yes. Medicare's clinician data says Thomas J. Hierspiel accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Thomas J. Hierspiel see?
- In 2024, CMS data shows 679 Original Medicare patients and 4,821 services for Thomas J. Hierspiel. This counts Original Medicare only and measures volume, not quality.
- What is Thomas J. Hierspiel's NPI number?
- 1487214011. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Thomas J. Hierspiel, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 679 |
|---|---|
| Services billed to Medicare | 4,821 |
| Different services or procedures | 62 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Injection, methylprednisolone acetate, 1 mg (J1010)2,201 services
- Injection, dexamethasone sodium phosphate, 1 mg (J1100)638 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)480 services
- Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza (87428)276 services
- Injection of drug or substance under skin or into muscle (96372)233 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Diabetes28%
- Ischemic heart disease27%
- Chronic kidney disease24%
Practice locations
Addresses where Thomas J. Hierspiel is enrolled with Medicare (CMS data updated October 2, 2026).
- 101 Quartz Dr, Suite 101Villa Rica, GA 30180 (770) 949‑7500
- 1480 S Hwy 27Carrollton, GA 30117 (770) 836‑9445
Group practices
Medicare enrollment lists Thomas J. Hierspiel as a member of this group (CMS data updated October 2, 2026).
- TMC Immediate Care, Inc22 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Villa Rica
Clinicians with the same Medicare primary specialty in Villa Rica, GA — not a recommendation.
Other clinicians in TMC Immediate Care, Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2018 (8 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1487214011 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians