Williston Hayes, MD
NPI 1336145523 · Otolaryngology Physician · Chico, CA
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Williston Hayes, MD is a Otolaryngology Physician provider in Chico, CA (NPI 1336145523).
Provider details
- NPI number
- 1336145523
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- G41003 (CA)
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
21 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
- 2005-06-22
- Last updated
- 2025-08-08
Frequently asked questions
- What is Williston Hayes's NPI number?
- Williston Hayes's National Provider Identifier (NPI) is 1336145523, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Williston Hayes's specialty?
- Williston Hayes is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Williston Hayes located?
- Williston Hayes's practice location on file with NPPES is 14555 Camaren Pk. Dr., Chico, CA 95973.
- What is Williston Hayes's phone number?
- The practice phone number listed in the NPPES registry for Williston Hayes is (530) 828-6728.
- Does Williston Hayes accept Medicare?
- Williston Hayes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Williston Hayes's NPI active?
- Yes — Williston Hayes's NPI (1336145523) is active in the NPPES registry as of the last update on 2025-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.