Mary F. Casiwa, MD
Family Medicine Physician · San Antonio, TX
Mary F. Casiwa, MD is a family medicine physician with a practice address in San Antonio, Texas, and NPI 1497016042, issued on May 30, 2012. Check the license (Texas R5097, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mary F. Casiwa
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- R5097 TX
Self-reported in NPPES; status is on the state search - Practice location
- 7431 NW Loop 410 Ste 109, San Antonio, TX 78245
- Phone
- (210) 477-7190
- Enumerated
- May 30, 2012
- Record last updated
- May 4, 2022
- Fax
- (210) 477-7195
- Medicare enrollment
- Enrolled (PECOS I20180817002617); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Also registered at 7431 NW Loop 410 Ste 109
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jason Crockett, PA-CPhysician Assistant1497995245
- Charles Proulx, PA-CPhysician Assistant1043201932
Verify Mary F. Casiwa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license R5097Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% more Medicare Part D claims than the average family medicine physician in 2024
6,645 Medicare Part D claims for 494 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 277 claims were for opioids.
Most prescribed
- Atorvastatin Calcium271 claims
- Losartan Potassium188 claims
- Rosuvastatin Calcium188 claims
- Amlodipine Besylate187 claims
- Gabapentin181 claims
- Levothyroxine Sodium149 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Physician Primecare, IncSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary F. Casiwa among 11,119 family medicine physician records in Texas
Mary F. Casiwa, MD is one of 11,119 family medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 67% of them.
- NPI issued2012 · 67% of these records are older, 30% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2007 · median 2004 among the 7,095 with a school on file
- Record last updated2022 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
809 family medicine physician records list a practice address in San Antonio
They are 809 of the 37,749 NPPES records with a practice address in San Antonio, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in San Antonio → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Edmundo Garcia, MDSan Antonio, TX 782451235134016
- Raul Santoscoy, D.OSan Antonio, TX 782451336114396
- Johanna Tawfik, FNP-CSan Antonio, TX 782451568344620
- Julia Warden, MDSan Antonio, TX 782451316504350
- Cesar Silva, M.D.San Antonio, TX 782441366785537
- Felix Aguirre, M.D.San Antonio, TX 782471023019767
- Antonio Guerra, MDSan Antonio, TX 782471518985373
- Brenda Guzman, M.D.San Antonio, TX 782471700311396
Common questions
What is Mary F. Casiwa, MD's NPI number?
Mary F. Casiwa, MD's National Provider Identifier (NPI) is 1497016042, issued on May 30, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Mary F. Casiwa, MD located?
The NPPES record lists a practice address at 7431 NW Loop 410 Ste 109, San Antonio, TX, 78245. Phone: (210) 477-7190. Providers update this record themselves, so call before visiting.
How can I verify Mary F. Casiwa, MD's license?
NPPES lists Texas license number R5097, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mary F. Casiwa, MD prescribe under Medicare Part D?
In 2024, Mary F. Casiwa, MD had 6,645 Medicare Part D claims for 494 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.