Mary Casiwa, MD
NPI 1497016042 · Family Medicine Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Casiwa, MD is a Family Medicine Physician provider in San Antonio, TX (NPI 1497016042).
Provider details
- NPI number
- 1497016042
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- R5097 (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
14 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
1,231 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 315 | $117 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 192 | $8 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 107 | $13 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 102 | $10 |
| Hemoglobin A1c Level83036 | 90 | $9 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 55 | $16 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 118 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 271 | 97 |
| Losartan Potassium | 188 | 69 |
| Rosuvastatin Calcium | 188 | 72 |
| Amlodipine Besylate | 187 | 63 |
| Gabapentin | 181 | 60 |
| Levothyroxine Sodium | 149 | 50 |
| Albuterol Sulfate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-05-30
- Last updated
- 2022-05-04
- Certified
- 2022-05-04
Frequently asked questions
- What is Mary Casiwa's NPI number?
- Mary Casiwa's National Provider Identifier (NPI) is 1497016042, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Casiwa's specialty?
- Mary Casiwa is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Casiwa located?
- Mary Casiwa's practice location on file with NPPES is 7431 Nw Loop 410 Ste 109, San Antonio, TX 78245-3597.
- What is Mary Casiwa's phone number?
- The practice phone number listed in the NPPES registry for Mary Casiwa is (210) 477-7190.
- Does Mary Casiwa accept Medicare?
- Mary Casiwa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Casiwa's NPI active?
- Yes — Mary Casiwa's NPI (1497016042) is active in the NPPES registry as of the last update on 2022-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.