Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mariana Rodriguez Fierro, RDN, CDCES

Individual provider Registered Dietitian · NPI 1861361776

Mariana Rodriguez Fierro, RDN, CDCES is a Registered Dietitian OR Nutrition Professional in Phoenix, Arizona. Qualified in 2019, 7 years ago. Practices with Neighborhood Outreach Access to Health, a 104-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
7
Licensed in
AZ
In the registry since
2025
What do these letters mean?
RDN — Registered Dietitian Nutritionist
The current title for a registered dietitian.

See every abbreviation used in this directory →

Practice location Address checks out

9015 N 3rd St
Phoenix, AZ 85020-2444
Phone: (480) 882-4545
Fax: (602) 714-3755
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 86154635 (AZ)

Record details

NPI number1861361776
Entity typeIndividual (Type 1)
GenderFemale
Credentials RDN , CDCES
Sole proprietorNo
NPI enumeratedOctober 30, 2025
Last updated in NPPESMarch 16, 2026
Certification dateMarch 16, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyREGISTERED DIETITIAN OR NUTRITION PROFESSIONAL
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Neighborhood Outreach Access To Health — 104 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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