Data Notice: All results sourced from the public CMS NPPES NPI Registry (45 CFR Part 162), for healthcare administrative use only (credentialing, billing, insurance verification). Not for law enforcement or legal proceedings. Not affiliated with CMS, HHS, or the US Government. Verify critical details at npiregistry.cms.hhs.gov. No queries stored.
Export Provider Record NPI 1255350427
Melissa Martinez-DiazMD
Active
NPI Number1255350427
NPI TypeNPI-1 Individual
SpecialtyInternal Medicine
Provider Details
NPI1255350427
NPI TypeNPI-1 Individual
StatusActive
Enumeration Date2006-07-19
Last Updated2022-01-07
Mailing Address720 Pleasanton Rd
San Antonio, TX 78214-1343
United States
Phone: (210) 921-3800 | Fax: (210) 334-2851
📍 View Map
Primary Practice Address720 Pleasanton Rd
San Antonio, TX 78214-1343
United States
Phone: (210) 921-3800 | Fax: (210) 334-2838
📍 View Map
Taxonomy / Specialty
PrimaryTaxonomy Code & DescriptionStateLicense Number
Yes207R00000X – Internal MedicineTXM0812
Export Provider Record NPI 1255350427
Search for More Providers
Use our free NPI Lookup tool to find any healthcare provider in the NPPES registry. Search NPI →

About NPI 1255350427

Melissa Martinez-Diaz MD is a healthcare provider registered in the CMS NPPES NPI Registry with NPI number 1255350427. The primary specialty listed is Internal Medicine. The provider is located in San Antonio, TX. This NPI is classified as a Type 1 (Individual) NPI and is currently active. The NPI was first enumerated (assigned) on 2006-07-19. All data is sourced directly from the official CMS NPPES public API and is updated daily.

Frequently Asked Questions

What is NPI 1255350427?

NPI 1255350427 belongs to Melissa Martinez-Diaz MD, a Internal Medicine in San Antonio, TX. It is a Type 1 Individual NPI registered in the CMS NPPES NPI Registry.

Is NPI 1255350427 active?

The current status of NPI 1255350427 in the NPPES registry is Active. The record was last updated on 2022-01-07.

What specialty is NPI 1255350427?

NPI 1255350427 is classified under the taxonomy Internal Medicine. Taxonomy codes in NPPES are maintained by the National Uniform Claim Committee (NUCC) and identify the provider's type, classification, and specialization.

How do I verify NPI 1255350427?

You can verify NPI 1255350427 at the official CMS NPPES website at npiregistry.cms.hhs.gov or using our free NPI Lookup tool above. All data shown on this page is sourced directly from the official NPPES public API and is updated daily by CMS.

What address is on file for NPI 1255350427?

The primary practice address on file for NPI 1255350427 is 720 Pleasanton Rd, San Antonio, TX 78214-1343. This address is registered in the NPPES system and providers are required to update it within 30 days of any change.

When was NPI 1255350427 issued?

NPI 1255350427 was first issued (enumerated) on 2006-07-19. The NPPES record was last updated on 2022-01-07.

Practice Location Map

Melissa Martinez-Diaz is located at 720 Pleasanton Rd, San Antonio, TX. Use the map below to find directions or verify the practice location.

📍 720 Pleasanton Rd, San Antonio, TX 78214-1343  ·  Open in Google Maps ↗

Related Healthcare Providers

The following providers share the same practice location, specialty, or state as Melissa Martinez-Diaz. All records sourced from the CMS NPPES registry.

License Information

The following state license numbers are on file in the NPPES registry for NPI 1255350427. For license status verification, contact the relevant state licensing board directly.

Specialty / TaxonomyLicense NumberState
Internal MedicineM0812TX
Data Verified from CMS NPPES Last synced: 2026-07-26 · Source: npiregistry.cms.hhs.gov · 45 CFR Part 162