NPPES file of Aug 9, 2026

Rosemary Nustas

Gastroenterology Physician · Dallas, TX

Rosemary Nustas is a gastroenterology physician with a practice address in Dallas, Texas, and NPI 1689094880, issued on Apr 27, 2014. Check the license (Texas R1839, 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 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1689094880
Name
Rosemary Nustas
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
R1839 TX
286678 MA
Self-reported in NPPES; status is on the state search
Practice location
8220 Walnut Hill LN Ste 710, Dallas, TX 75231
Phone
(214) 368-6707
Enumerated
Apr 27, 2014
Record last updated
Mar 19, 2026
Fax
(214) 368-1804
Medicare enrollment
Enrolled (PECOS I20170711002829); accepts Medicare assignment
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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Also registered at 8220 Walnut Hill LN Ste 710

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lisa Alvarez, M.D.Gastroenterology Physician1437315959
  2. Sami Arslanlar, MDGastroenterology Physician1033235684
  3. James Hakert, M.D.Gastroenterology Physician1467411298
  4. Samar Harris, M.D.Gastroenterology Physician1154532976
  5. Jacquelyn Lane, PAPhysician Assistant1871567776
  6. John Lee, M.D.Gastroenterology Physician1740240803

Verify Rosemary Nustas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license R1839    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
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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The practice group's MIPS final score for 2023 (Medicare payment program): 86.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score78.8
  2. Costout of 100 · 30%58.7
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Christus Trinity ClinicSulphur Springs, TX
  2. Texas Digestive Disease Consultants, PLLCDallas, TX

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

Gastroenterology Physician providers in Texas

There are 1,478 gastroenterology physician records in Texas.

All 1,478 in Texas → Every provider in Dallas →

Other gastroenterology physician records in Texas

  1. Ali AamarHouston, TX1922419209
  2. Amro Abdellatief, MDMcAllen, TX1932737020
  3. Wasif Abidi, M.D., PH.D.Houston, TX1821230780
  4. Olufemi Abiodun, MDArlington, TX1821199464
  5. Mohammed Aboelsoud, MDShenandoah, TX1316351430
  6. Bincy Abraham, MDHouston, TX1578767166
  7. Cherian Abraham, M.D.North Richland Hills, TX1134188311
  8. Sindhu Abraham, M.D.Plano, TX1033178223
  9. Daniela Abrams, MDGalveston, TX1801357793
  10. Rajeshwar Abrol, M.D.Tomball, TX1447258108

Common questions

What is Rosemary Nustas's NPI number?

Rosemary Nustas's National Provider Identifier (NPI) is 1689094880, issued on Apr 27, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Rosemary Nustas located?

The NPPES record lists a practice address at 8220 Walnut Hill LN Ste 710, Dallas, TX, 75231. Phone: (214) 368-6707. Providers update this record themselves, so call before visiting.

How can I verify Rosemary Nustas's license?

NPPES lists Texas license number R1839, 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.

What is Rosemary Nustas's MIPS final score?

The 2023 MIPS final score is 86.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.