Rocio Marquez, RDN
NPI 1396524666 · Registered Dietitian · Phoenix, AZ
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rocio Marquez, RDN is a Registered Dietitian provider in Phoenix, AZ (NPI 1396524666).
Provider details
- NPI number
- 1396524666
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RDN
- 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
- 2023-09-26
- Last updated
- 2023-09-26
- Certified
- 2023-09-26
Frequently asked questions
- What is Rocio Marquez's NPI number?
- Rocio Marquez's National Provider Identifier (NPI) is 1396524666, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rocio Marquez's specialty?
- Rocio Marquez is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Rocio Marquez located?
- Rocio Marquez's practice location on file with NPPES is 4212 N 16th St, Phoenix, AZ 85016-5319.
- What is Rocio Marquez's phone number?
- The practice phone number listed in the NPPES registry for Rocio Marquez is (602) 581-6048.
- Does Rocio Marquez accept Medicare?
- Rocio Marquez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rocio Marquez's NPI active?
- Yes — Rocio Marquez's NPI (1396524666) is active in the NPPES registry as of the last update on 2023-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.