NPPES file of Aug 9, 2026

Russell Neal Gregory, MD

Family Medicine Physician · Warren, AR

Russell Neal Gregory, MD is a family medicine physician with a practice address in Warren, Arkansas, and NPI 1497493290, issued on May 23, 2022. Check the license (Arkansas E-18848, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1497493290
Name
Russell Neal Gregory
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
E-18848 AR
Self-reported in NPPES; status is on the state search
Practice location
404 S Bradley St, Warren, AR 71671
Phone
(870) 226-8636
Enumerated
May 23, 2022
Record last updated
Jun 13, 2025
Fax
(870) 226-8655
Medicare enrollment
Enrolled (PECOS I20250411003373); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 404 S Bradley St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Samuel Arnold, D OSurgery Physician1164416640
  2. Althea Conley, MD., PH.D.Psychiatry Physician1114995198
  3. Justin Gates, CRNACertified Registered Nurse Anesthetist1114203635
  4. Jan GormanCertified Registered Nurse Anesthetist1699824201
  5. Terri Grimes, P.T.Physical Therapist1871713479
  6. David Kilcrease, P.T.Physical Therapist1790905313

Verify Russell Neal Gregory in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArkansas State Medical Board
    Search for license E-18848
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arkansas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

29% fewer Medicare Part D claims than the average family medicine physician in 2024

2,520 Medicare Part D claims for 175 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 111 claims were for opioids.

  1. Russell Gregory2,520
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium174 claims
  2. Gabapentin112 claims
  3. Amlodipine Besylate91 claims
  4. Hydrocodone-Acetaminophen78 claims
  5. Furosemide70 claims
  6. Omeprazole67 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.

3 hospitals and group practices

  1. Bradley County Medical CenterWarren, AR · Critical Access Hospitals
  2. Correct Care, Inc.Ashdown, AR
  3. Hospital Care Consultants OF Fordyce LLCFordyce, AR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).

Russell Neal Gregory among 1,681 family medicine physician records in Arkansas

Russell Neal Gregory, MD 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 2022, is newer than 93% of them.

  • NPI issued2022 · 93% of these records are older, 4% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2021 · median 2004 among the 1,156 with a school on file
  • Record last updated2025 · 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).

10 family medicine physician records list a practice address in Warren

They are 10 of the 117 NPPES records with a practice address in Warren, and 1,681 family medicine physician records in Arkansas.

The 8 family medicine physician records with the nearest ZIP codes

  1. John Beatty, MDWarren, AR 716711578050472
  2. Bradley Biggers, M.D.Warren, AR 716711992116396
  3. Ladonna George, M.D.Warren, AR 716711073582748
  4. Bryan Hoang, M.D.Warren, AR 716711073740387
  5. Kerry Pennington, M.D.Warren, AR 716711013983873
  6. Kenneth Purvis, MDWarren, AR 716711902910516
  7. Sania Sayani, MDWarren, AR 716711528528809
  8. Michelle Weaver, MDWarren, AR 716711265624621

Common questions

What is Russell Neal Gregory, MD's NPI number?

Russell Neal Gregory, MD's National Provider Identifier (NPI) is 1497493290, issued on May 23, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Russell Neal Gregory, MD located?

The NPPES record lists a practice address at 404 S Bradley St, Warren, AR, 71671. Phone: (870) 226-8636. Providers update this record themselves, so call before visiting.

How can I verify Russell Neal Gregory, MD's license?

NPPES lists Arkansas license number E-18848, 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 Russell Neal Gregory, MD prescribe under Medicare Part D?

In 2024, Russell Neal Gregory, MD had 2,520 Medicare Part D claims for 175 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.