Walter Haynes, MD
NPI 1275793457 · Radiation Oncology Physician · Little Rock, AR
Enrolled with Medicare as Order and Referring Only - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Walter Haynes, MD is a Radiation Oncology Physician provider in Little Rock, AR (NPI 1275793457).
Provider details
- NPI number
- 1275793457
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- C3188 (AR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-11
- Last updated
- 2026-05-24
Frequently asked questions
- What is Walter Haynes's NPI number?
- Walter Haynes's National Provider Identifier (NPI) is 1275793457, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Walter Haynes's specialty?
- Walter Haynes is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Walter Haynes located?
- Walter Haynes's practice location on file with NPPES is 12800 County Farm Road, Little Rock, AR 72223.
- What is Walter Haynes's phone number?
- The practice phone number listed in the NPPES registry for Walter Haynes is (501) 425-9139.
- Does Walter Haynes accept Medicare?
- Walter Haynes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Walter Haynes's NPI active?
- Yes — Walter Haynes's NPI (1275793457) is active in the NPPES registry as of the last update on 2026-05-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.