John Howard Frierson, M.D.
Interventional Cardiology Physician · San Antonio, TX
John Howard Frierson, M.D. is an interventional cardiology physician with a practice address in San Antonio, Texas, and NPI 1326021015, issued on Nov 28, 2005. Check the license (Texas G3371, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Howard Frierson
- Credential
- M.D.
- Primary taxonomy
- Interventional Cardiology Physician 207RI0011X
- License number
- G3371 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1200 Brooklyn Ave, San Antonio, TX 78212
- Phone
- (210) 271-7266
- Enumerated
- Nov 28, 2005
- Record last updated
- Mar 29, 2022
- Fax
- (210) 226-8411
- Medicare enrollment
- Enrolled (PECOS I20041207000206); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 1982
- Entity
- Type 1 · individual
Also registered at 1200 Brooklyn Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Grant Dixon, MDPhysical Medicine & Rehabilitation Physician1700406717
- Thomas Eades, M.D.Cardiovascular Disease Physician1558344432
- Jose Farina, M.D.Obstetrics Physician1720012172
Verify John Howard Frierson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license G3371Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average interventional cardiology physician in 2024
8,036 Medicare Part D claims for 723 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 66 claims were for opioids.
Most prescribed
- Atorvastatin Calcium679 claims
- Ezetimibe600 claims
- Amlodipine Besylate590 claims
- Metoprolol Succinate459 claims
- Losartan Potassium424 claims
- Doxazosin Mesylate333 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $291.17
14 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 6,394 providers of this specialty with any payment received $7,062.29 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
- Methodist Physician Practices PLLCSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Interventional Cardiology Physician providers in Texas
There are 724 interventional cardiology physician records in Texas.
Other interventional cardiology physician records in Texas
- Aamer Abbas, MDEl Paso, TX1508975772
- Danish Abbasi, MDPearland, TX1629466610
- John Naeim Nakhla Abdelmalek, MDLubbock, TX1437719127
- Ramy AbdelmaseihGalveston, TX1922569466
- Yasir Abdul Ghaffar, M.D.San Antonio, TX1053674408
- Arif Abdullah, M.D.Conroe, TX1801803069
- Ghassan Abusaid, M.D.San Antonio, TX1487858072
- Ashraf Abusara, MDVictoria, TX1265745715
- John Adan, MDEl Paso, TX1295709665
- Tayo Addo, MDDallas, TX1457328403
Common questions
What is John Howard Frierson, M.D.'s NPI number?
John Howard Frierson, M.D.'s National Provider Identifier (NPI) is 1326021015, issued on Nov 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John Howard Frierson, M.D. located?
The NPPES record lists a practice address at 1200 Brooklyn Ave, San Antonio, TX, 78212. Phone: (210) 271-7266. Providers update this record themselves, so call before visiting.
How can I verify John Howard Frierson, M.D.'s license?
NPPES lists Texas license number G3371, 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 John Howard Frierson, M.D. prescribe under Medicare Part D?
In 2024, John Howard Frierson, M.D. had 8,036 Medicare Part D claims for 723 beneficiaries; the average among interventional cardiology physician prescribers was 3,179. Part D covers Medicare prescriptions only.
What is John Howard Frierson, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.