Individual provider Active NPI

Leonierose Namalata Dacuycuy, M.D.

  • Endocrinology, Diabetes & Metabolism Physician
  • Fremont, CA
National Provider Identifier
1588059661
Registry record updated Oct 24, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X
License
A144075 Issued in CA
Practice address
3200 Kearney St
Fremont, CA 94538-2299
Phone
(510) 498-2357
NPI assigned
Apr 5, 2015
Last updated
Oct 24, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 24, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Endocrinology, Diabetes & Metabolism Physician 207RE0101X A144075 CA Primary

Addresses

Primary practice location

3200 Kearney St
Fremont, CA 94538-2299

Mailing address

PO Box 276950
Sacramento, CA 95827-6950

Other practice location 1

7912 West Ln Ste 221
Stockton, CA 95210-3159
Phone (209) 636-5000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20180403000407 CA Practitioner - EndocrinologyPractitioner - Internal Medicine 9234418724 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
EndocrinologyAlso: Internal Medicine
Education
Michigan State University College of Human Medicine, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Sutter Bay Medical FoundationGroup PAC ID 4284538778, 3,783 clinicians

Practice addresses (Care Compare)

3200 Kearney St
Fremont, CA 94538-2299
Phone (510) 490-1222

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A144075CAMDEndocrinology, Diabetes & Metabolism Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Sutter Bay Medical Foundation CurrentSince Oct 6, 2025 Accepting new patients
Sutter Bay Medical Foundation Current Accepting new patients
Permanente Medical Group Inc Current Accepting new patients
Community Medical Centers, Inc. CurrentSince Aug 17, 2020 Accepting new patients
Permanente Medical Group, Inc CurrentSince Feb 17, 2018 Accepting new patients
Community Medical Centers, Inc. Current Accepting new patients
Permanente Medical Group Inc CurrentSince Feb 17, 2018 Accepting new patients
Sutter Bay Medical Foundation CurrentSince Oct 6, 2025 Accepting new patients
Community Medical Centers Inc CurrentSince Aug 17, 2020 Accepting new patients
Sutter East Bay Medical Foundation Past Accepting new patients

Locations (25 of 33)

18400 US Highway 18
Apple Valley, CA 92307
Phone (760) 810-7590

750 Auburn Ravine Rd
Auburn, CA 95603
Phone (530) 823-6131

350 John Muir Pkwy
Ste 160
Brentwood, CA 94513
Phone (925) 204-1920

1950 University Ave
Ste 160
East Palo Alto, CA 94303
Phone (650) 317-8100

3200 Kearney St
Fremont, CA 94538
Phone (510) 498-2800

1189 E Herndon Ave
Ste 103
Fresno, CA 93720
Phone (559) 450-7777

4753 W Shaw Ave
Ste 101
Fresno, CA 93722
Phone (559) 277-8738

900 N Douty St
Hanford, CA 93230
Phone (559) 587-9014

370 Distel Cir
Los Altos, CA 94022
Phone (650) 254-5200

600 Coffee Rd
Modesto, CA 95355
Phone (209) 550-4755

101 Rowland Way
Ste 220
Novato, CA 94945
Phone (415) 878-7200

795 El Camino Real
Palo Alto, CA 94301
Phone (650) 324-1832

101 Monroe St
Petaluma, CA 94954
Phone (707) 763-4109

1555 East St
Ste 200
Redding, CA 96001
Phone (530) 229-0911

1150 Veterans Blvd
Redwood City, CA 94063
Phone (650) 299-2015

901 Nevin Ave
Richmond, CA 94801
Phone (510) 307-1500

930 W Main St
Ripon, CA 95366
Phone (209) 599-4221

151 N Sunrise Ave
Ste 1205
Roseville, CA 95661
Phone (916) 789-1505

2200 Ofarrell St
San Francisco, CA 94115
Phone (415) 202-2000

2425 Geary Blvd
#M160
San Francisco, CA 94115
Phone (415) 260-2806

3838 California St
Rm 410
San Francisco, CA 94118
Phone (415) 751-1847

123 S San Mateo Dr
San Mateo, CA 94401
Phone (650) 343-4200

710 Lawrence Expy
Santa Clara, CA 95051
Phone (408) 236-6400

3883 Airway Dr
Ste 220
Santa Rosa, CA 95403
Phone (707) 521-7750

5615 Scotts Valley Dr
Scotts Valley, CA 95066
Phone (831) 430-2700

Interoperability endpoints

  • Direct secure messaging: ldacuycuy273728@hisp.ehr.sutterhealth.org
  • Direct secure messaging: ldacuycuy768098@direct.ochin.org
  • Direct secure messaging: leonierose.dacuycuy.p1@direct.cmcentersinc.nextgenshare.com

Organizations & group practices 10

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1428192000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761264000000",
    "number": "1588059661",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 276950",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958276950"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3200 KEARNEY ST",
            "city": "FREMONT",
            "state": "CA",
            "postal_code": "945382299",
            "telephone_number": "510-498-2357"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "7912 West Ln Ste 221",
            "address_purpose": "LOCATION",
            "city": "Stockton",
            "state": "CA",
            "postal_code": "952103159",
            "country_code": "US",
            "telephone_number": "209-636-5000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DACUYCUY",
        "first_name": "LEONIEROSE",
        "middle_name": "NAMALATA",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-04-05",
        "last_updated": "2025-10-24",
        "certification_date": "2025-10-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "CA",
            "license": "A144075",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fremont, CA

Sources for this page

Verify at the official NPI Registry.