Active NPI
Dulce M Guzman, RDN
- Registered Dietitian
- Nogales, AZ
National Provider Identifier
1720805666
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Registered Dietitian
- Practice address
- 1852 N Mastick Way
Nogales, AZ 85621-1063 - Phone
- (520) 281-1550
- Fax
- (520) 281-4487
- NPI assigned
- Sep 23, 2024
- Sex
- Female
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 5
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Sports Dietetics Nutrition Registered Dietitian | 133VN1501X | AZ | ||
| Pediatric Nutrition Registered Dietitian | 133VN1004X | AZ | ||
| Oncology Nutrition Registered Dietitian | 133VN1301X | AZ | ||
| Registered Dietitian | 133V00000X | AZ | Primary | |
| Obesity and Weight Management Nutrition Registered Dietitian | 133VN1201X | AZ |
Addresses
Primary practice location
1852 N Mastick Way
Nogales, AZ 85621-1063
Mailing address
825 N Grand Ave
Suite 100
Nogales, AZ 85621
Phone (520) 761-2128
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in AZ
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Registered Dietitian Or Nutrition Professional
- Education
- University of Arizona College of Medicine, 2021
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
825 N Grand Ave
Suite 100
Nogales, AZ 85621-2385
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Fay Nutrition | Dietitian, Registered | Past | Accepting new patients |
| Mariposa Community Health Center, Inc | Single Specialty | Past | Accepting new patients |
| Mariposa Community Health Center, Inc | Past | Accepting new patients | |
| Mariposa Community Health Center, Inc | Past | Accepting new patients | |
| Mariposa Community Health Center, Inc | Past | Accepting new patients |
Organizations & group practices 5
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Federally Qualified Health Center (FQHC)
- Nogales, AZ
- NPI 1417985474
Single Specialty
-
- Federally Qualified Health Center (FQHC)
- Rio Rico, AZ
- NPI 1013213404
-
- Federally Qualified Health Center (FQHC)
- Nogales, AZ
- NPI 1487537445
-
- Federally Qualified Health Center (FQHC)
- Tubac, AZ
- NPI 1578922787
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1727049600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1781568000000",
"number": "1720805666",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "825 N GRAND AVE",
"address_2": "SUITE 100",
"city": "NOGALES",
"state": "AZ",
"postal_code": "85621",
"telephone_number": "520-761-2128",
"fax_number": "520-281-4487"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1852 N MASTICK WAY",
"city": "NOGALES",
"state": "AZ",
"postal_code": "856211063",
"telephone_number": "520-281-1550",
"fax_number": "520-281-4487"
}
],
"practiceLocations": [],
"basic": {
"last_name": "GUZMAN",
"first_name": "DULCE",
"middle_name": "M",
"credential": "RDN",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2024-09-23",
"last_updated": "2026-06-16",
"certification_date": "2026-06-16",
"status": "A"
},
"taxonomies": [
{
"code": "133VN1501X",
"taxonomy_group": "",
"desc": "Dietitian, Registered, Nutrition, Sports Dietetics",
"state": "AZ",
"license": null,
"primary": false
},
{
"code": "133VN1004X",
"taxonomy_group": "",
"desc": "Dietitian, Registered, Nutrition, Pediatric",
"state": "AZ",
"license": null,
"primary": false
},
{
"code": "133VN1301X",
"taxonomy_group": "",
"desc": "Dietitian, Registered, Nutrition, Oncology",
"state": "AZ",
"license": null,
"primary": false
},
{
"code": "133V00000X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Dietitian, Registered",
"state": "AZ",
"license": null,
"primary": true
},
{
"code": "133VN1201X",
"taxonomy_group": "",
"desc": "Dietitian, Registered, Nutrition, Obesity and Weight Management",
"state": "AZ",
"license": null,
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Nogales, AZ
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 16, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.