Active NPI
Stefan Jonathan Meers Estrada, PA-C
- Physician Assistant
- Stockton, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- License
- PA56484
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| NA | Other | NA |
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
Enrollment records 1
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
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 100
- Quality
- 90
- Improvement activities
- 40
- Cost
- 78.43
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Physician Assistant
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| PA56484 | CA | MD | Physician Assistant |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Regents of the University of Ca | Current | Accepting new patients | |
| Cep America - California | Current | Accepting new patients | |
| Sutter Valley Medical Foundation | Physician Assistant | Current | Accepting new patients |
| Regents of the Univ of Ca | Current | Accepting new patients | |
| Sutter Bay Medical Foundation | Current | Accepting new patients | |
| Sutter Bay Medical Foundation | Current | Accepting new patients | |
| Sutter Valley Medical Foundation | Current | 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.
-
- Multi-Specialty Clinic/Center
- Palo Alto, CA
- NPI 1013950807
-
- Urgent Care Clinic/Center
- Berkeley, CA
- NPI 1417294232
-
- Emergency Medicine Physician
- San Francisco, CA
- NPI 1023063542
-
- Maternal & Fetal Medicine Physician
- Sacramento, CA
- NPI 1013906973
-
- Emergency Medicine Physician
- San Ramon, CA
- NPI 1841220720
-
- Emergency Medicine Physician
- Indio, CA
- NPI 1831592187
-
- Multi-Specialty Clinic/Center
- Modesto, CA
- NPI 1669846986
-
- Emergency Medicine Physician
- Delano, CA
- NPI 1447288345
-
- Emergency Medicine Physician
- Los Banos, CA
- NPI 1699073700
-
- Diagnostic Radiology Physician
- Sacramento, CA
- NPI 1477546406
-
- Emergency Medicine Physician
- Sacramento, CA
- NPI 1063405074
-
- Clinical Medical Laboratory
- Santa Clara, CA
- NPI 1669287033
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 18, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- 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.