1. Home
  2. Directory
  3. Arizona
  4. Chandler
  5. Dietitian Registered
  6. NPI Profile

STEPHANIE RACHEL KLEIN MS, RD
NPI 1972157782
Dietitian, Registered in Chandler, AZ

Active since July 30, 2019
3100 W RAY RD STE 201, CHANDLER, AZ 85226(623) 399-6825(623) 505-3474 Get Directions Write a Review

NPPES record last updated: August 20, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 20, 2026, Jun 7, 2022, Jul 30, 2019 (3 updates tracked since 2019).

About Stephanie Rachel Klein Ms, Rd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

STEPHANIE RACHEL KLEIN MS, RD (NPI 1972157782) is an individual dietitian, registered in Chandler, Arizona, licensed in Arizona (86173104) and active in the NPI registry since July 2019. She maintains a secondary practice location in Phoenix.

NPPES Registry Identity

NPI1972157782
Entity TypeIndividualFemale
Primary Taxonomy133V00000X
Provider Legal NameSTEPHANIE RACHEL KLEINCredential: MS, RD
Location Address3100 W RAY RD STE 201Chandler, AZ 85226-2472
Mailing Address18001 N 79th Ave Ste A12Glendale, AZ 85308-8398 · (623) 399-6825 · Fax (623) 505-3474
Phone(623) 399-6825
Fax(623) 505-3474
Sole ProprietorNo
Enumeration DateJuly 30, 2019
Last NPPES UpdateAugust 20, 20263 updates tracked since enumeration
NPPES CertifiedAugust 20, 2026
✔ NPI 1972157782 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers
Taxonomy Code133V00000X
License✔ Licensed in AZ · 86173104
Definition
A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.
Also ListedHealth EducatorTaxonomy 174H00000X
3100 W RAY RD STE 201, Chandler, AZ 85226
Open in Google Maps ↗

Other Names 1

Former Name (1)Stephanie Mercado

Secondary Practice Location 1

Location 12601 E Roosevelt StPhoenix, AZ 85008-4973 · Phone (833) 855-9973

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, Oscar Health Plan, Inc..Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Stephanie Rachel Klein Ms, Rd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

Medicare enrollment records show Stephanie Klein reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Maricopa County Special Heallth Care District
5.4 mi
Adult Mental Health
1201 S ALMA SCHOOL RD STE 5100
Mesa, AZ 85210
  • Reassigned Medicare billing, Arizona enrollment
  • Medicare enrollment name: Maricopa County Special Health Care District
  • 285 clinicians in this Medicare group
NPI 1124710199 (602) 655-6242

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KATRINA ANGSTEN
Behavior Technician
3100 W RAY RD STE 201
CHANDLER, AZ 85226
Maricopa County (619) 795-9925
JANELLE QUIRANTE
Behavior Technician
3100 W RAY RD STE 201
CHANDLER, AZ 85226
Maricopa County (619) 795-9925
ERICK GUDINA
Behavior Technician
3100 W RAY RD STE 201
CHANDLER, AZ 85226
Maricopa County (520) 344-2215
ALEXIS BREWSTER
Behavior Technician
3100 W RAY RD STE 201
CHANDLER, AZ 85226
Maricopa County (619) 795-9925
DAISY ILI
Behavior Technician
3100 W RAY RD STE 201
CHANDLER, AZ 85226
Maricopa County (855) 832-6272
MARK GABRIEL
Behavior Technician
3100 W RAY RD STE 201
CHANDLER, AZ 85226
Maricopa County (855) 832-6727
MRS. BERIT G BENSON LCSW-S, PMH-C
Social Worker (Clinical)
3100 W RAY RD STE 201
CHANDLER, AZ 85226
Maricopa County (269) 312-1446
ANTANIA BELLE KING
Behavior Technician
3100 W RAY RD STE 201
CHANDLER, AZ 85226
Maricopa County (855) 832-6727

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Stephanie Klein's NPI number?

The NPI number for Stephanie Klein is 1972157782. It was assigned to this individual provider in the NPPES registry on July 30, 2019. The provider is also known as Stephanie Mercado.

Where is Stephanie Klein located?

Stephanie Klein practices at 3100 W Ray Rd Ste 201, Chandler, AZ 85226. The listed phone number is (623) 399-6825.

What is Stephanie Klein's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

Is Stephanie Klein enrolled in Medicare?

Yes. Stephanie Klein is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Stephanie Klein's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Klein reassigns Medicare benefits to Maricopa County Special Heallth Care District (Mesa, AZ). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Stephanie Klein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Stephanie Klein accept?

Health plans from Blue Cross Blue Shield of Arizona and Oscar Health Plan, Inc. list Stephanie Klein as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Stephanie Klein was last updated on August 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.