ROSEMARY NUSTAS
NPI 1689094880
Internal Medicine - Gastroenterology in Dallas, TX

Q: What is Rosemary Nustas's NPI number?

The NPI number for Rosemary Nustas is 1689094880. It was assigned to this individual provider in the NPPES registry on April 27, 2014.

Q: What is Rosemary Nustas's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Rosemary Nustas was last updated on March 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 27, 2014PECOS EnrolledAccepts Medicare Assignment

86.26/100

CMS Quality Rating

8220 WALNUT HILL LN STE 710, DALLAS, TX 75231(214) 368-6707(214) 368-1804 Get Directions Write a Review

NPPES record last updated: March 19, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 19, 2026, Nov 20, 2024, Nov 5, 2021 (3 updates tracked since 2021).

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About Rosemary Nustas NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ROSEMARY NUSTAS (NPI 1689094880) is an individual gastroenterology provider in Dallas, Texas, licensed in Texas (R1839) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS, is affiliated with Christus Mother Frances Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1689094880

Entity TypeIndividualFemale

Primary Taxonomy207RG0100X

Provider Legal NameROSEMARY NUSTAS

Location Address8220 WALNUT HILL LN STE 710Dallas, TX 75231-4427

Mailing AddressPo Box 35629Dallas, TX 75235-0629 · (214) 424-2200 · Fax (214) 231-2159

Phone(214) 368-6707

Fax(214) 368-1804

Sole ProprietorNo

Medical School CMSOtherGraduated 2012

Enumeration DateApril 27, 2014

Last NPPES UpdateMarch 19, 20263 updates tracked since enumeration

NPPES CertifiedMarch 19, 2026

✔ NPI 1689094880 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

Licenses✔ Licensed in TX · R1839✔ Licensed in MA · 286678

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

8220 WALNUT HILL LN STE 710, Dallas, TX 75231

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Secondary Practice Locations 2

Location 1215 Airport RdSulphur Springs, TX 75482-2011 · Phone (903) 885-1770

Location 21493 Cambridge StCambridge, MA 02139-1099 · Phone (617) 665-1634

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Rosemary Nustas is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8224255864

PECOS Enrollment IDI20170711002829

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Christus Mother Frances Hospital

Acute Care Hospitals · Tyler, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450102

Location800 East DawsonTyler, TX 75701 · Smith County

Emergency services Birthing friendly

Christus Mother Frances Hospital Sulphur Springs

Acute Care Hospitals · Sulphur Springs, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450236

Location115 Airport RdSulphur Springs, TX 75482 · Hopkins County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75231 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$131.01 typical visit price

range $57.18 – $172.86

Typical copayment $32.75 (range $14.29 – $43.21)

Most-billed visit code 99204

Established Patient

$100.80 typical visit price

range $18.48 – $141.20

Typical copayment $25.20 (range $4.62 – $35.30)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

86.26/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

78.84

Promoting Interoperability

100

Improvement Activities

Cost

58.7

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Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. SAMI NACI ARSLANLAR MD

Internal Medicine (Gastroenterology)