NPI age
18 years
Enumerated 2007-09-06
● Active Type 2 · Organization
M M Ontiveros MD PA
M M Ontiveros MD PA is 1 of 2301 internal medicine organizations in Texas.
Primary specialty
Internal Medicine
Practice locations
1
0 secondary on file
Status
Active
No deactivations on record
Authorized official
Mathis
Office Manager
Last NPPES update
2008-05-01
Source: monthly bulk 2026-05
How this organization compares
Across 2301 active internal medicine providers in Texas.
NPI age
18 years
≈ at median (19 yr)
Practice locations
1
0 secondary on file
Subspecialties
0
NPI lifetime · 2007 → 2026
2007-09Enumerated in NPPES
2007
2026
Where they practice
Primary practice location
311 Camden St, Suite 102
San Antonio, TX 782152012
Mailing address
311 Camden St, Suite 102
San Antonio, TX 782152012
Authorized official
Chris Mathis
Office Manager
📞 2105251668
Individual providers at this organization
20 individual providers on file at this primary practice address.
- Gloria Abraham-Cox, M.D. Pediatrics NPI 1932202538
- Amy Benson, M.D. Radiology NPI 1003807439
- Elaine Brown, M.D. Radiology NPI 1558336933
- Robert Bruton, M.D. Radiology NPI 1558389981
- Margo Cervantes, M.D. Radiology NPI 1225069859
- Robert Chandler, MD Radiology NPI 1114027992
- Chad Christopherson, MD Internal Medicine NPI 1154305365
- Robert Daehler, M.D. Radiology NPI 1609841345
- Peter Fornos, MD Internal Medicine NPI 1639145667
- Phillip Fortenberry, M.D Radiology NPI 1457307613
- Polly Hansen, M.D. Radiology NPI 1902871668
- Gloria Herrera, MD Obstetrics & Gynecology NPI 1902909443
- Melissa Holmes, PMHNP-BC Nurse Practitioner NPI 1871950485
- Kristan Johnson, MS,CCC-SLP Speech-Language Pathologist NPI 1619012168
- John Lampe, M.D. Radiology NPI 1467427153
- Jorge Magallon, M.D. Internal Medicine NPI 1134154172
- Eva Mason Family Medicine NPI 1760462881
- Christina McCune, M.D. Radiology NPI 1285849646
- Claire McKay, DO Radiology NPI 1821063967
- James Mims, M.D. Ophthalmology NPI 1962554816
Specialties
-
Internal Medicine PrimaryAn internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 149380101 |
Practice context
Multi-provider organization. 20 individual providers on file at this primary address.
Provyx · Custom healthcare lists
Need all 2301 Internal Medicine providers in Texas?
Get the full list as a CSV with verified work emails, direct phones, and LinkedIn URLs.
Request a quote →How to verify this organization
- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Verify the organization is in good standing.Cross-check with the state's business registration and any applicable licensing boards.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.