Dian Walston, PA
NPI 1184692410 · Physician Assistant · Atoka, OK
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dian Walston, PA is a Physician Assistant provider in Atoka, OK (NPI 1184692410).
Provider details
- NPI number
- 1184692410
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 1229 (OK)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
62 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 62 | $60 |
Typical Medicare-allowed amounts for these services range $60–$60 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 44 | 12 |
| Levothyroxine Sodium | 40 | — |
| Amlodipine Besylate | 36 | 11 |
| Atenolol | 30 | — |
| Atorvastatin Calcium | 30 | — |
| Methocarbamol | 22 | 18 |
| Alprazolam | 22 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-11
- Last updated
- 2009-10-29
Frequently asked questions
- What is Dian Walston's NPI number?
- Dian Walston's National Provider Identifier (NPI) is 1184692410, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dian Walston's specialty?
- Dian Walston is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Dian Walston located?
- Dian Walston's practice location on file with NPPES is 1510 S Virginia Ave, Atoka, OK 74525-3246.
- What is Dian Walston's phone number?
- The practice phone number listed in the NPPES registry for Dian Walston is (580) 889-6621.
- Does Dian Walston accept Medicare?
- Dian Walston is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dian Walston's NPI active?
- Yes — Dian Walston's NPI (1184692410) is active in the NPPES registry as of the last update on 2009-10-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.