Matthew Chase Cates, DO, MPH
Internal Medicine Physician · San Antonio, TX
Matthew Chase Cates, DO, MPH is an internal medicine physician with a practice address in San Antonio, Texas, and NPI 1295189330, issued on Apr 14, 2016. Check the license (Texas R9195, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Matthew Chase Cates
- Credential
- DO, MPH
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- R9195 TX
20A17118 CA
Self-reported in NPPES; status is on the state search - Practice location
- 303 N Frio St, San Antonio, TX 78207
- Phone
- (210) 688-5792
- Enumerated
- Apr 14, 2016
- Record last updated
- Jul 6, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200804000100); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 303 N Frio St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Margaret Betanco, APRNPsychiatric/Mental Health Nurse Practitioner1336449297
- Timoteo Cabrera, MDNephrology Physician1144295064
- Lauren Dehan, LPCMental Health Counselor1083167639
- Janet Pargas, LPCMental Health Counselor1033002209
- Stephanie Valdez-Herrera, MA, LPCMental Health Counselor1255885562
Verify Matthew Chase Cates in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license R9195Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,010 Medicare Part D claims for 87 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 44 claims were for opioids.
Most prescribed
- Biktarvy180 claims
- Dovato148 claims
- Atorvastatin Calcium71 claims
- Gabapentin57 claims
- Rosuvastatin Calcium55 claims
- Ozempic48 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.
Industry payments in 2024: $65,627.49
183 payments; by number, the most common kind was food and beverage; the largest payer was ViiV Healthcare Company. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Alamo Area Resource Center IncSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Chase Cates among 9,175 internal medicine physician records in Texas
Matthew Chase Cates, DO, MPH is one of 9,175 internal 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 2016, is newer than 74% of them.
- NPI issued2016 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2016 · median 2004 among the 6,088 with a school on file
- Record last updated2020 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
657 internal medicine physician records list a practice address in San Antonio
They are 657 of the 37,749 NPPES records with a practice address in San Antonio, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in San Antonio → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Delia Bullock, M.D.San Antonio, TX 782071598748097
- Annie Chacko, MDSan Antonio, TX 782071598878787
- Jorge Estrada, M.D.San Antonio, TX 782071346274495
- Ernesto Garza, M.D.San Antonio, TX 782071376685115
- Sarah Lapey, MDSan Antonio, TX 782071619084787
- David Montemayor, M.D.San Antonio, TX 782071255343042
- Nasser Nakissa, MDSan Antonio, TX 782071689774010
- Ambili Ramachandran, M.D.San Antonio, TX 782071467696047
Common questions
What is Matthew Chase Cates, DO, MPH's NPI number?
Matthew Chase Cates, DO, MPH's National Provider Identifier (NPI) is 1295189330, issued on Apr 14, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Chase Cates, DO, MPH located?
The NPPES record lists a practice address at 303 N Frio St, San Antonio, TX, 78207. Phone: (210) 688-5792. Providers update this record themselves, so call before visiting.
How can I verify Matthew Chase Cates, DO, MPH's license?
NPPES lists Texas license number R9195, 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 Matthew Chase Cates, DO, MPH prescribe under Medicare Part D?
In 2024, Matthew Chase Cates, DO, MPH had 2,010 Medicare Part D claims for 87 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.