Mark Hayden, MD
NPI 1376537175 · Emergency Medical Services (Emergency Medicine) Physician · Harlingen, TX
Mark Hayden, MD is a Emergency Medical Services (Emergency Medicine) Physician provider in Harlingen, TX (NPI 1376537175).
Provider details
- NPI number
- 1376537175
- Entity type
- Individual
- Primary specialty
- Emergency Medical Services (Emergency Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- J9087 (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
20 yrs 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
- 2005-09-07
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Hayden's NPI number?
- Mark Hayden's National Provider Identifier (NPI) is 1376537175, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Hayden's specialty?
- Mark Hayden is listed in the NPPES registry with a primary specialty of Emergency Medical Services (Emergency Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Hayden located?
- Mark Hayden's practice location on file with NPPES is 2101 Pease St, Harlingen, TX 78550-8307.
- What is Mark Hayden's phone number?
- The practice phone number listed in the NPPES registry for Mark Hayden is (956) 389-1100.
- Is Mark Hayden's NPI active?
- Yes — Mark Hayden's NPI (1376537175) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.