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DULCE M GUZMAN RDN
NPI 1720805666
Dietitian, Registered in Nogales, AZ

Active since September 23, 2024
1852 N MASTICK WAY, NOGALES, AZ 85621(520) 281-1550(520) 281-4487 Get Directions Write a Review

NPPES record last updated: June 16, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dulce M Guzman Rdn NPPES

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

DULCE M GUZMAN RDN (NPI 1720805666) is an individual dietitian, registered in Nogales, Arizona and active in the NPI registry since September 2024. She is a graduate of University Of Arizona College Of Medicine (2021).

NPPES Registry Identity

NPI1720805666
Entity TypeIndividualFemale
Primary Taxonomy133V00000X
Provider Legal NameDULCE M GUZMANCredential: RDN
Location Address1852 N MASTICK WAYNogales, AZ 85621-1063
Mailing Address825 N Grand Ave, Suite 100Nogales, AZ 85621 · (520) 761-2128 · Fax (520) 281-4487
Phone(520) 281-1550
Fax(520) 281-4487
Sole ProprietorYes
Medical School CMSUniversity Of Arizona College Of MedicineGraduated 2021
Enumeration DateSeptember 23, 2024
Last NPPES UpdateJune 16, 2026
NPPES CertifiedJune 16, 2026
✔ NPI 1720805666 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 5

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers
Taxonomy Code133V00000X
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 ListedDietitian, Registered · Nutrition, PediatricTaxonomy 133VN1004X
Also ListedDietitian, Registered · Nutrition, Obesity and Weight ManagementTaxonomy 133VN1201X
Also ListedDietitian, Registered · Nutrition, OncologyTaxonomy 133VN1301X
Also ListedDietitian, Registered · Nutrition, Sports DieteticsTaxonomy 133VN1501X
1852 N MASTICK WAY, Nogales, AZ 85621
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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., UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dulce M Guzman Rdn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3779053848
PECOS Enrollment IDI20260529001852

Medicare Billing Reassignment

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

Mariposa Community Health Center, Inc
Same address
Federally Qualified Health Center (FQHC)
1852 N MASTICK WAY
Nogales, AZ 85621
  • Reassigned Medicare billing, Arizona enrollment
  • 60 clinicians in this Medicare group
NPI 1417985474 (520) 281-1550

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.

MARIPOSA COMMUNITY HEALTH CENTER, INC
Radiology (Diagnostic Radiology)
1852 N MASTICK WAY
NOGALES, AZ 85621
Santa Cruz County (520) 281-1550
JAMES LYLE DERICKSON MD
Family Medicine
1852 N MASTICK WAY
NOGALES, AZ 85621
Santa Cruz County (520) 281-1550
TANYA HENRY M.D.
Pediatrics
1852 N MASTICK WAY
NOGALES, AZ 85621
Santa Cruz County (520) 281-1550
FRANCISCO SANDOVAL NP-C
Nurse Practitioner (Family)
1852 N MASTICK WAY
NOGALES, AZ 85621
Santa Cruz County (520) 281-1550
VALERIE A WOHL MD
Family Medicine
1852 N MASTICK WAY
NOGALES, AZ 85621
Santa Cruz County (520) 281-1550
DR. GUADALUPE IBANEZ DAVILA MD
Pediatrics
1852 N MASTICK WAY
NOGALES, AZ 85621
Santa Cruz County (520) 281-1550
ALMA P GAMEZ LAC
Counselor (Professional)
1852 N MASTICK WAY
NOGALES, AZ 85621
Santa Cruz County (520) 375-5032
SUSANA PEREZ-ABREU LPC
Counselor (Professional)
1852 N MASTICK WAY
NOGALES, AZ 85621
Santa Cruz County (520) 375-5000

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 Dulce Guzman's NPI number?

The NPI number for Dulce Guzman is 1720805666. It was assigned to this individual provider in the NPPES registry on September 23, 2024.

Where is Dulce Guzman located?

Dulce Guzman practices at 1852 N Mastick Way, Nogales, AZ 85621. The listed phone number is (520) 281-1550.

What is Dulce Guzman's specialty?

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

Is Dulce Guzman enrolled in Medicare?

Yes. Dulce Guzman is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Dulce Guzman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dulce Guzman reassigns Medicare benefits to Mariposa Community Health Center, Inc (Nogales, 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 Dulce Guzman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Dulce Guzman accept?

Health plans from Blue Cross Blue Shield of Arizona, Oscar Health Plan, Inc. and UnitedHealthcare list Dulce Guzman 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 Dulce Guzman was last updated on June 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.