Donna M. Alzaga, M.D.
Internal Medicine Physician · Marshall, TX
Donna M. Alzaga, M.D. is an internal medicine physician with a practice address in Marshall, Texas, and NPI 1609069251, issued on Aug 27, 2007. Check the license (Texas M7009, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Donna M. Alzaga
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- M7009 TX
Self-reported in NPPES; status is on the state search - Practice location
- 811 S Washington Ave, Marshall, TX 75670
- Phone
- (903) 315-1488
- Enumerated
- Aug 27, 2007
- Record last updated
- Jan 14, 2025
- Fax
- (903) 315-1656
- Medicare enrollment
- Enrolled (PECOS I20080303000158); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 811 S Washington Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Salima Abdul Waheed, MDInternal Medicine Physician1073700126
- Mark Adams, CRNACertified Registered Nurse Anesthetist1730171158
- Kendall Chambellan, PAPhysician Assistant1861498768
- Tiffany Egbe, MDInternal Medicine Physician1205914231
- Richard Johnson, CRNACertified Registered Nurse Anesthetist1811945926
- Thomas Krudewig, CRNACertified Registered Nurse Anesthetist1073505475
Verify Donna M. Alzaga in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M7009Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average internal medicine physician in 2024
475 Medicare Part D claims for 181 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 19 claims were for opioids.
Most prescribed
- Pantoprazole Sodium28 claims
- Amoxicillin-Clavulanate Potass27 claims
- Cefdinir27 claims
- Furosemide27 claims
- Atorvastatin Calcium19 claims
- Methylprednisolone18 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
- North Texas Physician Services, PLLCTexarkana, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
14 internal medicine physician records list a practice address in Marshall
They are 14 of the 253 NPPES records with a practice address in Marshall, and 9,175 internal medicine physician records in Texas.
All 14 in Marshall → All 9,175 in Texas → Every provider in Marshall →
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 Donna M. Alzaga, M.D.'s NPI number?
Donna M. Alzaga, M.D.'s National Provider Identifier (NPI) is 1609069251, issued on Aug 27, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Donna M. Alzaga, M.D. located?
The NPPES record lists a practice address at 811 S Washington Ave, Marshall, TX, 75670. Phone: (903) 315-1488. Providers update this record themselves, so call before visiting.
How can I verify Donna M. Alzaga, M.D.'s license?
NPPES lists Texas license number M7009, 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 Donna M. Alzaga, M.D. prescribe under Medicare Part D?
In 2024, Donna M. Alzaga, M.D. had 475 Medicare Part D claims for 181 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.