Crystal Hayes, RD
NPI 1609402601 · Registered Dietitian · Pittsburg, CA
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Crystal Hayes, RD is a Registered Dietitian provider in Pittsburg, CA (NPI 1609402601).
Provider details
- NPI number
- 1609402601
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 86087639 (CA)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Dietary & Nutritional Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- 1926 V StSacramento, CA 95818-1624Phone: (916) 452-9641
- 150 Ne Kenneth Ford DrRoseburg, OR 97470-1042Phone: (541) 672-9596
Registry dates
- Enumerated
- 2020-03-21
- Last updated
- 2023-10-05
- Certified
- 2023-10-05
Frequently asked questions
- What is Crystal Hayes's NPI number?
- Crystal Hayes's National Provider Identifier (NPI) is 1609402601, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Crystal Hayes's specialty?
- Crystal Hayes is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Crystal Hayes located?
- Crystal Hayes's practice location on file with NPPES is 18 Petar Ln, Pittsburg, CA 94565-4872.
- What is Crystal Hayes's phone number?
- The practice phone number listed in the NPPES registry for Crystal Hayes is (925) 330-1010.
- Does Crystal Hayes accept Medicare?
- Crystal Hayes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Crystal Hayes's NPI active?
- Yes — Crystal Hayes's NPI (1609402601) is active in the NPPES registry as of the last update on 2023-10-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.