Grant Herrington, MD
Endocrinology, Diabetes & Metabolism Physician · Grand Prairie, TX
Grant Herrington, MD is an endocrinology, diabetes & metabolism physician with a practice address in Grand Prairie, Texas, and NPI 1033739149, issued on Apr 18, 2020. Check the license (Texas U2222, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Grant Herrington
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- U2222 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4560 Lake Ridge Pkwy Ste 300, Grand Prairie, TX 75052
- Phone
- (214) 556-1446
- Enumerated
- Apr 18, 2020
- Record last updated
- Jun 11, 2025
- Fax
- (214) 556-4984
- Medicare enrollment
- Enrolled (PECOS I20250805003119); accepts Medicare assignment
- Medical or professional school
- University Of Iowa, Rj & L Carver College Of Medicine, 2020
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 743 in Texas → Look up another NPI →
Also registered at 4560 Lake Ridge Pkwy Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jacob Herring, ATC, LATAthletic Trainer1790373827
- Denise Peck, ARNPNurse Practitioner1265500573
Verify Grant Herrington in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license U2222Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
49 Medicare Part D claims for 19 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D.
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: $118.17
1 payment: food and beverage; the largest payer was Amgen Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- MedhealthGrand Prairie, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Grant Herrington among 743 endocrinology, diabetes & metabolism physician records in Texas
Grant Herrington, MD is one of 743 endocrinology, diabetes & metabolism physician records with a practice address in Texas. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 96% of them.
- NPI issued2020 · 96% of these records are older, 2% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2020 · median 2004 among the 560 with a school on file
- Record last updated2025 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Texas
There are 743 endocrinology, diabetes & metabolism physician records in Texas.
All 743 in Texas → Every provider in Grand Prairie → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Eric Johnson, DOGrand Prairie, TX 750511518937705
- Joseph Milburn, M.D.Irving, TX 750611326066457
- Sri Ram Teja Sathi, MDIrving, TX 750611518488246
- Lalitha Subramanyam, M.D.Irving, TX 750611043476625
- Qing Jia, M.D.Garland, TX 750421609805506
- Priyanka AgarwalIrving, TX 750631326466145
- Samata Basani, M.DIrving, TX 750391689929820
- Jasbir Dhawan, MDFrisco, TX 750351063458230
Common questions
What is Grant Herrington, MD's NPI number?
Grant Herrington, MD's National Provider Identifier (NPI) is 1033739149, issued on Apr 18, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Grant Herrington, MD located?
The NPPES record lists a practice address at 4560 Lake Ridge Pkwy Ste 300, Grand Prairie, TX, 75052. Phone: (214) 556-1446. Providers update this record themselves, so call before visiting.
How can I verify Grant Herrington, MD's license?
NPPES lists Texas license number U2222, 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 Grant Herrington, MD prescribe under Medicare Part D?
In 2024, Grant Herrington, MD had 49 Medicare Part D claims for 19 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.
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.