NPPES file of Aug 9, 2026

Dian M. Walston, PA

Physician Assistant · Atoka, OK

Dian M. Walston, PA is a physician assistant with a practice address in Atoka, Oklahoma, and NPI 1184692410, issued on Mar 11, 2006. Check the license (Oklahoma 1229, as entered in NPPES) with the Oklahoma board that licenses this profession; 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
1184692410
Name
Dian M. Walston
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
1229 OK
Self-reported in NPPES; status is on the state search
Practice location
1510 S Virginia Ave, Atoka, OK 74525
Phone
(580) 889-6621
Enumerated
Mar 11, 2006
Record last updated
Oct 29, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(580) 889-6659
Medicaid ID
200009950A OK
Medicare enrollment
Enrolled (PECOS I20060112000943); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 1510 S Virginia Ave

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

  1. Noel Emerson, D.O.Family Medicine Physician1801896709

Verify Dian M. Walston in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oklahoma board licenses this profession
    Search for license 1229
    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
Find the Oklahoma 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.

15% more Medicare Part D claims than the average physician assistant in 2024

954 Medicare Part D claims for 166 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 23 claims were for opioids.

  1. Dian Walston954
  2. Specialty average830

Most prescribed

  1. Lisinopril44 claims
  2. Levothyroxine Sodium40 claims
  3. Amlodipine Besylate36 claims
  4. Atenolol30 claims
  5. Atorvastatin Calcium30 claims
  6. Alprazolam22 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

  1. Carrus Care Physicians Group IncAtoka, OK

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Dian M. Walston among 1,870 physician assistant records in Oklahoma

Dian M. Walston, PA is one of 1,870 physician assistant records with a practice address in Oklahoma. 79% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 78% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2002 · median 2017 among the 1,246 with a school on file
  • Record last updated2009 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

4 physician assistant records list a practice address in Atoka

They are 4 of the 337 NPPES records with a practice address in Atoka, and 1,870 physician assistant records in Oklahoma.

The 8 physician assistant records with the nearest ZIP codes

  1. Bob Burlison, P.A.-CAtoka, OK 745251710020151
  2. David Fisher, PA-CAtoka, OK 745251518068501
  3. Curtis Matzkvech, PA-CAtoka, OK 745251912075474
  4. Robert Oldham, PACAntlers, OK 745231578554101
  5. Ruth Fereday, PA-CCoalgate, OK 745381336253731
  6. Rebecca Auld, PAMcAlester, OK 745011972832400
  7. Grover Compton, PA-CMcAlester, OK 745011043276694
  8. Ashley Elledge, PACMcAlester, OK 745011093795114

Common questions

What is Dian M. Walston, PA's NPI number?

Dian M. Walston, PA's National Provider Identifier (NPI) is 1184692410, issued on Mar 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Dian M. Walston, PA located?

The NPPES record lists a practice address at 1510 S Virginia Ave, Atoka, OK, 74525. Phone: (580) 889-6621. Providers update this record themselves, so call before visiting.

How can I verify Dian M. Walston, PA's license?

NPPES lists Oklahoma license number 1229, as entered by the provider. Search the Oklahoma board that licenses this profession; the NPPES record confirms identity only.

How much does Dian M. Walston, PA prescribe under Medicare Part D?

In 2024, Dian M. Walston, PA had 954 Medicare Part D claims for 166 beneficiaries; the average among physician assistant prescribers was 830. 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.