Brian Kanatzar, D.O.
NPI 1093033243 · Internal Medicine Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Kanatzar, D.O. is a Internal Medicine Physician provider in San Antonio, TX (NPI 1093033243).
Provider details
- NPI number
- 1093033243
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- N5753 (TX)
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
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
42 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 35 Minutes99232 | 23 | $75 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 19 | $77 |
Typical Medicare-allowed amounts for these services range $75–$77 (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 · 6 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 34 | 33 |
| Prednisone | 21 | 21 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 19 | 19 |
| Pantoprazole Sodium | 15 | 15 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 14 | 14 |
| Ondansetron Hcl | 11 | 11 |
Practice location
Mailing address
Additional practice locations (1)
- 10300 Heritage St Ste 130San Antonio, TX 78216-3924Phone: (210) 332-5462
Registry dates
- Enumerated
- 2010-05-12
- Last updated
- 2024-09-26
- Certified
- 2024-09-26
Frequently asked questions
- What is Brian Kanatzar's NPI number?
- Brian Kanatzar's National Provider Identifier (NPI) is 1093033243, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Kanatzar's specialty?
- Brian Kanatzar is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Kanatzar located?
- Brian Kanatzar's practice location on file with NPPES is 4330 Medical Dr, San Antonio, TX 78229-3342.
- What is Brian Kanatzar's phone number?
- The practice phone number listed in the NPPES registry for Brian Kanatzar is (210) 576-5306.
- Does Brian Kanatzar accept Medicare?
- Brian Kanatzar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Kanatzar's NPI active?
- Yes — Brian Kanatzar's NPI (1093033243) is active in the NPPES registry as of the last update on 2024-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.