Teresa Lightner, MD
NPI 1578553194 · Internal Medicine Physician · Harlingen, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Teresa Lightner, MD is a Internal Medicine Physician provider in Harlingen, TX (NPI 1578553194).
Provider details
- NPI number
- 1578553194
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- License
- J1295 (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
- 2005-10-25
- Last updated
- 2007-07-08
Frequently asked questions
- What is Teresa Lightner's NPI number?
- Teresa Lightner's National Provider Identifier (NPI) is 1578553194, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Teresa Lightner's specialty?
- Teresa Lightner is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Teresa Lightner located?
- Teresa Lightner's practice location on file with NPPES is 2200 Haine Dr, Harlingen, TX 78550-8549.
- What is Teresa Lightner's phone number?
- The practice phone number listed in the NPPES registry for Teresa Lightner is (956) 425-7200.
- Does Teresa Lightner accept Medicare?
- Teresa Lightner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Teresa Lightner's NPI active?
- Yes — Teresa Lightner's NPI (1578553194) 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.