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MRS. MARY THERESA GREMP PNP-BC
NPI 1457665176
Nurse Practitioner - Pediatrics in Dallas, TX

Active since August 05, 2010PECOS Enrolled
1401 S BUCKNER BLVD STE 139, DALLAS, TX 75217(469) 488-4400(469) 488-4401 Get Directions Write a Review

NPPES record last updated: March 17, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mrs. Mary Theresa Gremp Pnp-bc NPPES

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

MRS. MARY THERESA GREMP PNP-BC (NPI 1457665176) is an individual pediatrics provider in Dallas, Texas, licensed in Texas (705520) and active in the NPI registry since August 2010. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1457665176
Entity TypeIndividualFemale
Primary Taxonomy363LP0200X
Provider Legal NameMRS. MARY THERESA GREMPCredential: PNP-BC
Location Address1401 S BUCKNER BLVD STE 139Dallas, TX 75217-1704
Mailing Address1401 S Buckner Blvd Ste 139Dallas, TX 75217-1704 · (469) 488-4400 · Fax (469) 488-4401
Phone(469) 488-4400
Fax(469) 488-4401
Sole ProprietorNo
Enumeration DateAugust 5, 2010
Last NPPES UpdateMarch 17, 2014
✔ NPI 1457665176 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0200X
License✔ Licensed in TX · 705520
1401 S BUCKNER BLVD STE 139, Dallas, TX 75217
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, UnitedHealthcare, WellPoint.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Mary Theresa Gremp Pnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Mary Gremp reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Dallas Physician Medical Services For Children Inc
10 mi
Pediatrics
1935 MEDICAL DISTRICT DR
Dallas, TX 75235
  • Reassigned Medicare billing, Texas enrollment
  • 424 clinicians in this Medicare group
NPI 1194153650 (214) 456-7000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75217 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
$88.19 typical visit price
range $57.18 – $172.86
Typical copayment $22.04 (range $14.29 – $43.21)
Most-billed visit code 99203
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.

Other Providers at the Same Location NPPES 7

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

MITSY DAVIES FNP
Nurse Practitioner (Family)
1401 S BUCKNER BLVD STE 139
DALLAS, TX 75217
Dallas County (469) 488-4400
MUNTAHA ALI ABDELHADI R.N., C.P.N.P.
Nurse Practitioner
1401 S BUCKNER BLVD STE 139
DALLAS, TX 75217
Dallas County (469) 488-4400
NANCY DELGADO PA-C
Physician Assistant
1401 S BUCKNER BLVD STE 139
DALLAS, TX 75217
Dallas County (469) 488-4400
ELENA NAYELI ROJAS APRN-FNP
Nurse Practitioner (Family)
1401 S BUCKNER BLVD STE 139
DALLAS, TX 75217
Dallas County (972) 957-3000
COURTNEY COLLEEN MARGRITIER DNP/NP
Nurse Practitioner
1401 S BUCKNER BLVD STE 139
DALLAS, TX 75217
Dallas County (469) 488-4400
MRS. LEAH DUNN TAYLOR MSN, APRN, CPNP-PC
Nurse Practitioner
1401 S BUCKNER BLVD STE 139
DALLAS, TX 75217
Dallas County (469) 488-4400
DR. NAVYA SINGIRIKONDA MD
Pediatrics
1401 S BUCKNER BLVD STE 139
DALLAS, TX 75217
Dallas County (469) 488-4400

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Gremp's NPI number?

The NPI number for Mary Gremp is 1457665176. It was assigned to this individual provider in the NPPES registry on August 5, 2010.

Where is Mary Gremp located?

Mary Gremp practices at 1401 S Buckner Blvd Ste 139, Dallas, TX 75217. The listed phone number is (469) 488-4400.

What is Mary Gremp's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

Is Mary Gremp enrolled in Medicare?

Yes. Mary Gremp is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mary Gremp's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Gremp reassigns Medicare benefits to Dallas Physician Medical Services For Children Inc (Dallas, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary Gremp's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Gremp accept?

Health plans from Blue Cross and Blue Shield of Texas, UnitedHealthcare and WellPoint list Mary Gremp as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mary Gremp was last updated on March 17, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years 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.