GRANT HERRINGTON MD
NPI 1033739149
Internal Medicine - Endocrinology, Diabetes & Metabolism in Grand Prairie, TX

Q: What is Grant Herrington's NPI number?

The NPI number for Grant Herrington is 1033739149. It was assigned to this individual provider in the NPPES registry on April 18, 2020.

Q: What is Grant Herrington's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Q: When was this NPI record last updated?

The NPPES record for Grant Herrington was last updated on June 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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 18, 2020PECOS EnrolledAccepts Medicare Assignment

4560 LAKE RIDGE PKWY STE 300, GRAND PRAIRIE, TX 75052(214) 556-1446(214) 556-4984 Get Directions Write a Review

NPPES record last updated: June 11, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 11, 2025, Apr 18, 2020 (2 updates tracked since 2020).

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About Grant Herrington Md NPPES

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

GRANT HERRINGTON MD (NPI 1033739149) is an individual endocrinology, diabetes & metabolism provider in Grand Prairie, Texas, licensed in Texas (U2222) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Methodist Dallas Medical Center, and is a graduate of University Of Iowa, Rj & L Carver College Of Medicine (2020).

NPPES Registry Identity

NPI1033739149

Entity TypeIndividualMale

Primary Taxonomy207RE0101X

Provider Legal NameGRANT HERRINGTONCredential: MD

Location Address4560 LAKE RIDGE PKWY STE 300Grand Prairie, TX 75052-1706

Mailing Address4560 Lake Ridge Pkwy Ste 300Grand Prairie, TX 75052-1706 · (214) 556-1446 · Fax (214) 556-4984

Phone(214) 556-1446

Fax(214) 556-4984

Sole ProprietorNo

Medical School CMSUniversity Of Iowa, Rj & L Carver College Of MedicineGraduated 2020

Enumeration DateApril 18, 2020

Last NPPES UpdateJune 11, 20252 updates tracked since enumeration

NPPES CertifiedJune 11, 2025

✔ NPI 1033739149 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

License✔ Licensed in TX · U2222

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

4560 LAKE RIDGE PKWY STE 300, Grand Prairie, TX 75052

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

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

Grant Herrington Md 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 ID2668803479

PECOS Enrollment IDI20250805003119

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 3

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

Methodist Dallas Medical Center

Acute Care Hospitals · Dallas, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number450051

Location1441 North Beckley AvenueDallas, TX 75203 · Dallas County

Emergency services Birthing friendly

Methodist Mansfield Medical Center

Acute Care Hospitals · Mansfield, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number670023

Location2700 E Broad StreetMansfield, TX 76063 · Tarrant County

Emergency services Birthing friendly

Methodist Midlothian Medical Center

Acute Care Hospitals · Midlothian, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number670300

Location1201 E Highway 287Midlothian, TX 76065 · Ellis County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75052 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.

Other Providers at the Same Location NPPES 2

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

DENISE A PECK ARNP

Nurse Practitioner

4560 LAKE RIDGE PKWY STE 300
GRAND PRAIRIE, TX 75052

Dallas County (817) 453-3500

MEDHEALTH

Durable Medical Equipment & Medical Supplies

4560 LAKE RIDGE PKWY STE 300
GRAND PRAIRIE, TX 75052

Dallas County (817) 453-3500

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 Grant Herrington's NPI number?

The NPI number for Grant Herrington is 1033739149. It was assigned to this individual provider in the NPPES registry on April 18, 2020.

Where is Grant Herrington located?

Grant Herrington practices at 4560 Lake Ridge Pkwy Ste 300, Grand Prairie, TX 75052. The listed phone number is (214) 556-1446.

What is Grant Herrington's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Grant Herrington enrolled in Medicare?

Yes. Grant Herrington is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Grant Herrington accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 6 other insurers list Grant Herrington 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.

Is Grant Herrington affiliated with any hospitals?

According to CMS data, Grant Herrington is affiliated with Methodist Dallas Medical Center, Methodist Mansfield Medical Center and Methodist Midlothian Medical Center.

When was this NPI record last updated?

The NPPES record for Grant Herrington was last updated on June 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.