Individual provider Active NPI

Stefan Jonathan Meers Estrada, PA-C

  • Physician Assistant
  • Stockton, CA
National Provider Identifier
1043774144
Registry record updated Dec 18, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
PA56484 Issued in CA
Practice address
2505 W Hammer LN
Stockton, CA 95209-2839
Phone
(209) 954-4040
Fax
(209) 951-2239
NPI assigned
Jan 23, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 18, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X PA56484 CA Primary

Addresses

Primary practice location

2505 W Hammer LN
Stockton, CA 95209-2839

Mailing address

PO Box 255228
Sacramento, CA 95865-5228
Phone (800) 470-0071

Other practice location 1

47111 Monroe St
Indio, CA 92201-6739
Phone (833) 310-2440

Other identifiers 1

IdentifierTypeStateIssuer
NAOtherNA

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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20190220003409 CA Practitioner - Physician Assistant 0749528503 Reassigns benefits to 8 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2018
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)

795 El Camino Real
Palo Alto, CA 94301-2302
Phone (415) 600-1020

Merit-based Incentive Payment System (MIPS)

Final score
96.69 of 100Reported as group
Quality
90
Improvement activities
40
Cost
78.43

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
PA56484CAMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Regents of the University of Ca CurrentSince Feb 19, 2025 Accepting new patients
Cep America - California CurrentSince Jan 1, 2020 Accepting new patients
Sutter Valley Medical Foundation Physician Assistant CurrentSince Dec 15, 2025 Accepting new patients
Regents of the Univ of Ca CurrentSince Feb 19, 2025 Accepting new patients
Sutter Bay Medical Foundation CurrentSince Dec 15, 2025 Accepting new patients
Sutter Bay Medical Foundation CurrentSince Dec 15, 2025 Accepting new patients
Sutter Valley Medical Foundation CurrentSince Dec 15, 2025 Accepting new patients

Locations

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

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

2720 Low Ct
Fairfield, CA 94534
Phone (707) 428-2731

1650 Creekside Dr
Folsom, CA 95630
Phone (916) 983-7400

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

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

815 Court St
Ste 7
Jackson, CA 95642
Phone (209) 257-5900

975 S Fairmont Ave
Lodi, CA 95240
Phone (209) 339-7575

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

1601 Cummins Dr
Ste D
Modesto, CA 95358
Phone (510) 851-7423

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

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

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

2800 L St
Ste 500
Sacramento, CA 95816
Phone (916) 454-6850

2315 Stockton Blvd
Sacramento, CA 95817
Phone (916) 703-3030

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

6001 Norris Canyon Rd
San Ramon, CA 94583
Phone (925) 275-8273

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

2505 W Hammer Ln
Stockton, CA 95209
Phone (209) 954-3370

550 S Green Valley Rd
Watsonville, CA 95076
Phone (831) 458-5865

250 W Main St
Woodland, CA 95695
Phone (916) 668-6100

Organizations & group practices 14

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.

View all 14

NPI Registry JSON

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

{
    "created_epoch": "1548201600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766016000000",
    "number": "1043774144",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 255228",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958655228",
            "telephone_number": "800-470-0071",
            "fax_number": "916-854-6769"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2505 W HAMMER LN",
            "city": "STOCKTON",
            "state": "CA",
            "postal_code": "952092839",
            "telephone_number": "209-954-4040",
            "fax_number": "209-951-2239"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "47111 Monroe St",
            "address_purpose": "LOCATION",
            "city": "Indio",
            "state": "CA",
            "postal_code": "922016739",
            "country_code": "US",
            "telephone_number": "833-310-2440",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MEERS ESTRADA",
        "first_name": "STEFAN",
        "middle_name": "JONATHAN",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-01-23",
        "last_updated": "2025-12-18",
        "certification_date": "2025-12-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CA",
            "license": "PA56484",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "NA",
            "identifier": "NA",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Stockton, CA

Sources for this page

Verify at the official NPI Registry.