Alonzo Guzman, M.D.
Family Medicine Physician · San Antonio, TX
Alonzo Guzman, M.D. is a family medicine physician with a practice address in San Antonio, Texas, and NPI 1912935784, issued on Jun 29, 2006. Check the license (Texas H4373, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Alonzo Guzman
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- H4373 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2108 NW Military Hwy, San Antonio, TX 78213
- Phone
- (210) 342-7300
- Enumerated
- Jun 29, 2006
- Record last updated
- Jul 12, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 135458105 TX
- Medicare enrollment
- Enrolled (PECOS I20080627000204); 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 2108 NW Military Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- George Atiee, M.D.Family Medicine Physician1922044858
- Laura Galvan, NP-BCNurse Practitioner1417522558
Verify Alonzo Guzman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license H4373Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% more Medicare Part D claims than the average family medicine physician in 2024
4,212 Medicare Part D claims for 827 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 289 claims were for opioids.
Most prescribed
- Amlodipine Besylate152 claims
- Trazodone Hcl140 claims
- Levothyroxine Sodium125 claims
- Sertraline Hcl119 claims
- Tramadol Hcl114 claims
- Atorvastatin Calcium107 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
- University OF Texas Health Science Center AT San AntonioSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alonzo Guzman among 11,119 family medicine physician records in Texas
Alonzo Guzman, M.D. 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 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1987 · median 2004 among the 7,095 with a school on file
- Record last updated2008 · 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
- George Atiee, M.D.San Antonio, TX 782131922044858
- Jose CarcamoSan Antonio, TX 782131124629522
- Chere Covin, MDSan Antonio, TX 782131205833092
- Beverly Gutierrez, M.D.San Antonio, TX 782131023057528
- Melissa Kempf, MDSan Antonio, TX 782131568541043
- Bart Knight, FNP-BCSan Antonio, TX 782131255938866
- Joan Laufman, M.D.San Antonio, TX 782131760483515
- Curtis McCamy, M.D.San Antonio, TX 782131467453118
Common questions
What is Alonzo Guzman, M.D.'s NPI number?
Alonzo Guzman, M.D.'s National Provider Identifier (NPI) is 1912935784, issued on Jun 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alonzo Guzman, M.D. located?
The NPPES record lists a practice address at 2108 NW Military Hwy, San Antonio, TX, 78213. Phone: (210) 342-7300. Providers update this record themselves, so call before visiting.
How can I verify Alonzo Guzman, M.D.'s license?
NPPES lists Texas license number H4373, 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 Alonzo Guzman, M.D. prescribe under Medicare Part D?
In 2024, Alonzo Guzman, M.D. had 4,212 Medicare Part D claims for 827 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.