Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Marisa N. H. Guillory, MD

Individual provider Pediatrics Physician · NPI 1942429279

Marisa N. H. Guillory, MD is a Pediatric Medicine in Longview, Texas. Graduated from University of Texas Southwestern Medical School at Dallas in 2006, 20 years ago. Practices with Ryan M Guillory MD PA, a 6-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Texas.

Years since qualifying
20
Trained at
University of Texas Southwestern Medical School at Dallas
Licensed in
TX
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

709 Hollybrook Dr Ste 5605
Longview, TX 75605-2416
Phone: (903) 291-6300
Fax: (903) 291-6305
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Sleep Medicine Physician (primary) Taxonomy 2080S0012X · Licence N9215 (TX)
Pediatrics Physician Taxonomy 208000000X · Licence N9215 (TX)

Record details

NPI number1942429279
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 25, 2007
Last updated in NPPESJuly 5, 2019

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolUNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL SCHOOL AT DALLAS
Graduated 2006 (20 years in practice)
Group practice Ryan M Guillory Md Pa — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Longview