Darius Alexander Buzenas, M.D.
Internal Medicine Physician · San Antonio, TX
Darius Alexander Buzenas, M.D. is an internal medicine physician with a practice address in San Antonio, Texas, and NPI 1609019272, issued on Apr 13, 2009. Check the license (Texas N2426, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Darius Alexander Buzenas
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- N2426 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4330 Medical Dr, San Antonio, TX 78229
- Phone
- (210) 576-5306
- Enumerated
- Apr 13, 2009
- Record last updated
- Jul 15, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (210) 694-0645
- Medicaid ID
- 1093841-02 TX
- Medicare enrollment
- Enrolled (PECOS I20101118000784); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 4330 Medical Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Haydee AdanGerontology Nurse Practitioner1518164797
- Winnifer Baduel, M.D.Internal Medicine Physician1245397744
- Thomas Bienen, M.D.Internal Medicine Physician1952581746
- Stephanie Bruno, APRNFamily Nurse Practitioner1134560667
- William Davis, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1437195187
- Jennifer Delao, RNRegistered Nurse1649559824
Verify Darius Alexander Buzenas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license N2426Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average internal medicine physician in 2024
230 Medicare Part D claims for 110 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 27 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen17 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: $9,730.20
2 payments; by number, the most common kind was consulting fee; the largest payer was Csl Plasma Inc. 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 2 group practices
- Complete Care Medical AssociatesSan Antonio, TX
- Hospital Medicine Services OF TX, PLLCSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (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 657 in San Antonio → All 9,175 in Texas → Every provider in San Antonio →
Other internal medicine physician records in Texas
- Muhammad A. Sattar, MDDallas, TX1760465553
- Gayatri Aaluri, MDGalveston, TX1821928508
- Anunaya AashishDenton, TX1134246374
- Queenie Ann Abad, M.D.San Antonio, TX1174979785
- Fuad Abaleka, M.DLubbock, TX1861925596
- Carol Abalihi, M.D.El Paso, TX1326136243
- Oliverio Abarca Guzman, MDHarlingen, TX1346972940
- Obinna Abaribe, M.DMansfield, TX1457704355
- Enyinnaya Abarikwu, MDTyler, TX1174788178
- Sulaiman Abawi, D.O.Frisco, TX1780845255
Common questions
What is Darius Alexander Buzenas, M.D.'s NPI number?
Darius Alexander Buzenas, M.D.'s National Provider Identifier (NPI) is 1609019272, issued on Apr 13, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Darius Alexander Buzenas, M.D. located?
The NPPES record lists a practice address at 4330 Medical Dr, San Antonio, TX, 78229. Phone: (210) 576-5306. Providers update this record themselves, so call before visiting.
How can I verify Darius Alexander Buzenas, M.D.'s license?
NPPES lists Texas license number N2426, 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 Darius Alexander Buzenas, M.D. prescribe under Medicare Part D?
In 2024, Darius Alexander Buzenas, M.D. had 230 Medicare Part D claims for 110 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.