Melissa Marchan-Martinez, MD
NPI 1891584801 · Internal Medicine Physician · Austin, TX
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melissa Marchan-Martinez, MD is a Internal Medicine Physician provider in Austin, TX (NPI 1891584801).
Provider details
- NPI number
- 1891584801
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- BP10093802 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-05-05
- Last updated
- 2025-05-05
- Certified
- 2025-05-05
Frequently asked questions
- What is Melissa Marchan-Martinez's NPI number?
- Melissa Marchan-Martinez's National Provider Identifier (NPI) is 1891584801, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Marchan-Martinez's specialty?
- Melissa Marchan-Martinez is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Melissa Marchan-Martinez located?
- Melissa Marchan-Martinez's practice location on file with NPPES is 1500 Red River St, Austin, TX 78701-1918.
- What is Melissa Marchan-Martinez's phone number?
- The practice phone number listed in the NPPES registry for Melissa Marchan-Martinez is (512) 324-7000.
- Does Melissa Marchan-Martinez accept Medicare?
- Melissa Marchan-Martinez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melissa Marchan-Martinez's NPI active?
- Yes — Melissa Marchan-Martinez's NPI (1891584801) is active in the NPPES registry as of the last update on 2025-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.