Gregory S. Harrington, M.D.
Family Medicine Physician · North Little Rock, AR
Gregory S. Harrington, M.D. is a family medicine physician with a practice address in North Little Rock, Arkansas, and NPI 1457459182, issued on Sep 20, 2006. Check the license (Arkansas E-0445, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gregory S. Harrington
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- E-0445 AR
Self-reported in NPPES; status is on the state search - Practice location
- 2508 Crestwood RD, North Little Rock, AR 72116
- Phone
- (501) 758-2294
- Enumerated
- Sep 20, 2006
- Record last updated
- May 21, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (501) 758-7877
- Medicaid ID
- 127334001 AR
- Medicare enrollment
- Enrolled (PECOS I20071022000838); accepts Medicare assignment
- Medical or professional school
- University Of Arkansas College Of Medicine, 1987
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,681 in Arkansas → Look up another NPI →
Also registered at 2508 Crestwood RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Martha Berry, APNFamily Nurse Practitioner1073569828
- Michael Berry, M.D.Family Medicine Physician1093813644
- Ashley Bruce, MDFamily Medicine Physician1881222073
- Roger Gillum, MDFamily Medicine Physician1760062616
- Richard Heck, M.D.Family Medicine Physician1295833739
- Mollee McClain, LMSWClinical Social Worker1942872775
Verify Gregory S. Harrington in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArkansas State Medical Board
Search for license E-0445Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average family medicine physician in 2024
264 Medicare Part D claims for 113 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
- Cefdinir21 claims
- Pantoprazole Sodium18 claims
- Hydrocodone-Acetaminophen12 claims
- Azithromycin11 claims
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.
Bills Medicare through one group practice
- Arkansas Health GroupNorth Little Rock, AR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory S. Harrington among 1,681 family medicine physician records in Arkansas
Gregory S. Harrington, M.D. is one of 1,681 family medicine physician records with a practice address in Arkansas. 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 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 47% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1987 · median 2004 among the 1,156 with a school on file
- Record last updated2008 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
48 family medicine physician records list a practice address in North Little Rock
They are 48 of the 2,298 NPPES records with a practice address in North Little Rock, and 1,681 family medicine physician records in Arkansas.
All 1,681 in Arkansas → Every provider in North Little Rock → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Michael Berry, M.D.North Little Rock, AR 721161093813644
- Ashley Bruce, MDNorth Little Rock, AR 721161881222073
- Jennifer Casey, M.D.North Little Rock, AR 721161619173150
- Karen Chase, M.D.North Little Rock, AR 721161679505598
- John Gustavus, M.D.North Little Rock, AR 721161770559635
- Richard Heck, M.D.North Little Rock, AR 721161295833739
- Sarah Holcomb, M.D.North Little Rock, AR 721161043546930
- Ijanae Holman-Allgood, MDNorth Little Rock, AR 721161356978142
Common questions
What is Gregory S. Harrington, M.D.'s NPI number?
Gregory S. Harrington, M.D.'s National Provider Identifier (NPI) is 1457459182, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory S. Harrington, M.D. located?
The NPPES record lists a practice address at 2508 Crestwood RD, North Little Rock, AR, 72116. Phone: (501) 758-2294. Providers update this record themselves, so call before visiting.
How can I verify Gregory S. Harrington, M.D.'s license?
NPPES lists Arkansas license number E-0445, as entered by the provider. Search the Arkansas State Medical Board at https://armedicalboard.adh.arkansas.gov/public/verify/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory S. Harrington, M.D. prescribe under Medicare Part D?
In 2024, Gregory S. Harrington, M.D. had 264 Medicare Part D claims for 113 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.