ROBYN L PROSSER R.D., C.D.E.
NPI 1669441408
Dietitian, Registered in Phoenix, AZ

Q: What is Robyn Prosser's NPI number?

The NPI number for Robyn Prosser is 1669441408. It was assigned to this individual provider in the NPPES registry on March 15, 2006. The provider is also known as Robyn L Vierling R.D., C.D.E..

Q: What is Robyn Prosser's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Robyn Prosser was last updated on August 20, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.

Active since March 15, 2006Accepts Medicare Assignment

1300 N 12TH ST, SUITE 610, PHOENIX, AZ 85006(602) 239-5000(602) 239-3339 Get Directions Write a Review

NPPES record last updated: August 20, 2008. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Robyn L Prosser R.d., C.d.e. NPPES

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

ROBYN L PROSSER R.D., C.D.E. (NPI 1669441408) is an individual dietitian, registered in Phoenix, Arizona, licensed in Arizona (861901) and active in the NPI registry since March 2006. She is a graduate of Other (1994).

NPPES Registry Identity

NPI1669441408

Entity TypeIndividualFemale

Primary Taxonomy133V00000X

Provider Legal NameROBYN L PROSSERCredential: R.D., C.D.E.

Location Address1300 N 12TH ST, SUITE 610Phoenix, AZ 85006-2848

Mailing Address1010 N Country Club DrMesa, AZ 85201-3309 · (480) 461-2409

Phone(602) 239-5000

Fax(602) 239-3339

Sole ProprietorNo

Medical School CMSOtherGraduated 1994

Enumeration DateMarch 15, 2006

Last NPPES UpdateAugust 20, 2008

✔ NPI 1669441408 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers

Taxonomy Code133V00000X

License✔ Licensed in AZ · 861901

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.

1300 N 12TH ST, Phoenix, AZ 85006

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Other Names 1

Former Name (1)Robyn L Vierling R.d., C.d.e.

Other Identifiers 5

Medicare PINZ78199AZ

Medicare PINZ122248

Medicaid719338AZ

Medicare UPINP56207

Medicare PINZ123005AZ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter Health, Blue Cross Blue Shield of Arizona and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Robyn L Prosser R.d., C.d.e. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1153316724

PECOS Enrollment IDI20040415000111

Medicare Billing Reassignments

Medicare enrollment records show Robyn Prosser reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Banner - University Physician Specialists LLC

1.5 mi

Multi-Specialty

2901 N CENTRAL AVE STE 160
Phoenix, AZ 85012

Reassigned Medicare billing, Arizona enrollment
553 clinicians in this Medicare group

NPI 1417312760 (602) 747-4000

Banner -- University Primary Care Physicians LLC

68 mi

Primary Care

807 S PONDEROSA ST
Payson, AZ 85541

Reassigned Medicare billing, Arizona enrollment
66 clinicians in this Medicare group

NPI 1154791960 (928) 471-3222

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85006 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$0.00 typical visit price

range $55.44 – $168.60

Typical copayment $0.00 (range $13.86 – $42.15)

Most-billed visit code NA

Established Patient

$98.00 typical visit price

range $17.72 – $137.41

Typical copayment $24.50 (range $4.43 – $34.35)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

DR. DIANA LYNELLE DABELL M.D.

Emergency Medicine

1300 N 12TH ST, STE 301
PHOENIX, AZ 85006

Maricopa County (602) 839-6968

PINNACLE COLON AND RECTAL SURGEONS, PLLC

Specialist

1300 N 12TH ST, SUITE 619
PHOENIX, AZ 85006

Maricopa County (602) 714-5482

INTERNISTS, ONCOLOGISTS LTD

Internal Medicine (Hematology & Oncology)

1300 N 12TH ST, SUITE 612
PHOENIX, AZ 85006

Maricopa County (602) 258-4875

PHILIP KACZAR MD PC

Internal Medicine

1300 N 12TH ST, SUITE #516
PHOENIX, AZ 85006

Maricopa County (602) 252-3967

BARBARA J RUNQUIST NP

Nurse Practitioner

1300 N 12TH ST, SUITE 404
PHOENIX, AZ 85006

Maricopa County (602) 839-0265

DR. ROBERT DEAN RIERSON MD

Obstetrics & Gynecology

1300 N 12TH ST, SUITE 501
PHOENIX, AZ 85006

Maricopa County (602) 839-4915

MISS FARRAH L BLACK PA

Physician Assistant (Medical)

1300 N 12TH ST, STE 500
PHOENIX, AZ 85006

Maricopa County (602) 839-2606

VIKTORIA KRAJNC MD

Family Medicine

1300 N 12TH ST, SUITE 605
PHOENIX, AZ 85006

Maricopa County (602) 839-5271

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 Robyn Prosser's NPI number?

The NPI number for Robyn Prosser is 1669441408. It was assigned to this individual provider in the NPPES registry on March 15, 2006. The provider is also known as Robyn L Vierling R.D., C.D.E..

Where is Robyn Prosser located?

Robyn Prosser practices at 1300 N 12th St Suite 610, Phoenix, AZ 85006. The listed phone number is (602) 239-5000.

What is Robyn Prosser's specialty?

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

Is Robyn Prosser enrolled in Medicare?

Yes. Robyn Prosser is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Robyn Prosser's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robyn Prosser reassigns Medicare benefits to 2 organizations: Banner - University Physician Specialists LLC (Phoenix, AZ) and Banner -- University Primary Care Physicians LLC (Payson, AZ). Each 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 Robyn Prosser's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Robyn Prosser accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona and Oscar Health Plan, Inc. list Robyn Prosser 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 Robyn Prosser was last updated on August 20, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.