Crystal Frederick, RD
NPI 1255112678 · Registered Dietitian · Oklahoma City, OK
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Crystal Frederick, RD is a Registered Dietitian provider in Oklahoma City, OK (NPI 1255112678).
Provider details
- NPI number
- 1255112678
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2023-10-11
- Last updated
- 2023-10-11
- Certified
- 2023-10-11
Frequently asked questions
- What is Crystal Frederick's NPI number?
- Crystal Frederick's National Provider Identifier (NPI) is 1255112678, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Crystal Frederick's specialty?
- Crystal Frederick is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Crystal Frederick located?
- Crystal Frederick's practice location on file with NPPES is 5208 W Reno Ave, Oklahoma City, OK 73127-6344.
- What is Crystal Frederick's phone number?
- The practice phone number listed in the NPPES registry for Crystal Frederick is (405) 948-4900.
- Does Crystal Frederick accept Medicare?
- Crystal Frederick is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Crystal Frederick's NPI active?
- Yes — Crystal Frederick's NPI (1255112678) is active in the NPPES registry as of the last update on 2023-10-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.