NPPES file of Aug 9, 2026

Marisa N. H. Guillory, MD

Pediatric Sleep Medicine Physician · Longview, TX

Marisa N. H. Guillory, MD is a pediatric sleep medicine physician with a practice address in Longview, Texas, and NPI 1942429279, issued on Apr 25, 2007. Check the license (Texas N9215, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1942429279
Name
Marisa N. H. Guillory
Credential
MD
Primary taxonomy
Pediatric Sleep Medicine Physician 2080S0012X
License number
N9215 TX
Self-reported in NPPES; status is on the state search
Practice location
709 Hollybrook Dr Ste 5605, Longview, TX 75605
Phone
(903) 291-6300
Enumerated
Apr 25, 2007
Record last updated
Jul 5, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(903) 291-6305
Medicare enrollment
Enrolled (PECOS I20111102000852); accepts Medicare assignment
Medical or professional school
University Of Texas Southwestern Medical School At Dallas, 2006
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Marisa N. H. Guillory in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license N9215    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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3.9 times the Medicare Part D claims of the average pediatric sleep medicine physician in 2024

464 Medicare Part D claims for 115 beneficiaries, against an average of 118 among the 43 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. Marisa Guillory464
  2. Specialty average118

Most prescribed

  1. Fluticasone Propionate111 claims
  2. Trazodone Hcl49 claims
  3. Armodafinil34 claims
  4. Ropinirole Hcl32 claims
  5. Modafinil30 claims
  6. Montelukast Sodium26 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $562.12

26 payments; by number, the most common kind was food and beverage; the largest payer was Harmony Biosciences LLC. The 75 providers of this specialty with any payment received $546.13 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Marisa Guillory$562.12
  2. Specialty average$546.13

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Ryan M Guillory MD PALongview, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Pediatric Sleep Medicine Physician providers in Texas

There are 14 pediatric sleep medicine physician records in Texas.

All 14 in Texas → Every provider in Longview →

Other pediatric sleep medicine physician records in Texas

  1. Alexandra Ables, MDJbsa Lackland, TX1962159673
  2. Ahmad Abo Kayass, M.D.Mesquite, TX1033320783
  3. Susan Barrows, MDPalestine, TX1073501375
  4. Shana Hansen, M.D.Kerrville, TX1427072156
  5. Karen Hentschel-Franks, DOSan Antonio, TX1306953468
  6. April Hurlston, M.D.Ft Hood, TX1467614156
  7. Cindy Jon, M.D.Houston, TX1083641880
  8. Meena Murti, M.D.Houston, TX1861694804
  9. Vidya Pai, MDGainesville, TX1639402340
  10. Jose Palomares, MDSan Antonio, TX1003377896

Common questions

What is Marisa N. H. Guillory, MD's NPI number?

Marisa N. H. Guillory, MD's National Provider Identifier (NPI) is 1942429279, issued on Apr 25, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Marisa N. H. Guillory, MD located?

The NPPES record lists a practice address at 709 Hollybrook Dr Ste 5605, Longview, TX, 75605. Phone: (903) 291-6300. Providers update this record themselves, so call before visiting.

How can I verify Marisa N. H. Guillory, MD's license?

NPPES lists Texas license number N9215, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Marisa N. H. Guillory, MD prescribe under Medicare Part D?

In 2024, Marisa N. H. Guillory, MD had 464 Medicare Part D claims for 115 beneficiaries; the average among pediatric sleep medicine physician prescribers was 118. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.