Anthony Hartzler, M.D.
NPI 1548460314 · Infectious Disease Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anthony Hartzler, M.D. is a Infectious Disease Physician provider in San Antonio, TX (NPI 1548460314).
Provider details
- NPI number
- 1548460314
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- M7248 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
18 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
164 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 53 | $115 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 49 | $129 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 42 | $130 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 20 | $77 |
Typical Medicare-allowed amounts for these services range $77–$130 (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 · 18 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 51 |
| Dolutegravir Sodium/Lamivudinebrand: Dovato | 50 |
| Dolutegravir Sodiumbrand: Tivicay | 30 |
| Fluconazole | 30 |
| Darunavir/Cobicistatbrand: Prezcobix | 26 |
| Elviteg/Cob/Emtri/Tenof Alafenbrand: Genvoya | 17 |
| Isoniazid | 16 |
| Azithromycin | 15 |
| Levofloxacin | 15 |
| Methenamine Hippurate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-07-20
- Last updated
- 2019-01-02
Frequently asked questions
- What is Anthony Hartzler's NPI number?
- Anthony Hartzler's National Provider Identifier (NPI) is 1548460314, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anthony Hartzler's specialty?
- Anthony Hartzler is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Anthony Hartzler located?
- Anthony Hartzler's practice location on file with NPPES is 4502 Medical Dr, San Antonio, TX 78229-4402.
- What is Anthony Hartzler's phone number?
- The practice phone number listed in the NPPES registry for Anthony Hartzler is (210) 358-4000.
- Does Anthony Hartzler accept Medicare?
- Anthony Hartzler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anthony Hartzler's NPI active?
- Yes — Anthony Hartzler's NPI (1548460314) is active in the NPPES registry as of the last update on 2019-01-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.