Active NPI
John Stillson, MD
- Family Medicine Physician
- Chula Vista, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Medicine Physician
- License
- A202111
- Practice address
- 340 4TH Ave Ste 2
Chula Vista, CA 91910-3883 - Phone
- (619) 422-8338
- NPI assigned
- Mar 28, 2022
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Family Medicine Physician | 207Q00000X | A202111 | CA | Primary |
| Family Medicine Physician | 207Q00000X | U6089 | TX | |
| Gastroenterology Physician | 207RG0100X | A202111 | CA |
Addresses
Primary practice location
340 4TH Ave Ste 2
Chula Vista, CA 91910-3883
Mailing address
340 4TH Ave Ste 2
Chula Vista, CA 91910-3883
Other practice location 1
353 Church Ave Ste A
Chula Vista, CA 91910-3906
Phone (619) 585-8883
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in TX, CA, AL
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 3
Care Compare profile
Medicare Care Compare- Specialty
- Family Practice
- Education
- Indiana University School of Medicine, 2022
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
340 4TH Ave
Suite 2
Chula Vista, CA 91910-3883
Phone (619) 422-8338
353 Church Ave
Suite a
Chula Vista, CA 91910-3906
Phone (619) 585-8883
400 N Brown St
Hamilton, TX 76531-1518
Phone (254) 386-1600
4077 5TH Ave
San Diego, CA 92103-2105
Phone (619) 359-6600
Hospital & facility affiliations
- Scripps Mercy Hospital
- Hamilton General Hospital
- Community Hospital of Huntington Park
- Pioneers Memorial Healthcare District
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Colonoscopy | 1-10 |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 17 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| U6089 | TX | MD | Family Medicine Physician |
| A202111 | CA | MD | Gastroenterology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Southern California Health Providers Medical GRP Inc | Family Medicine | Current | Accepting new patients |
| Hamilton County Hospital District | Family Medicine | Current | Accepting new patients |
| Hamilton County Hospital District | Current | Accepting new patients | |
| Concord Medical Group of Texas PLLC | Current | Accepting new patients | |
| Patrick Sweet MD PC | Family Medicine | Current | Accepting new patients |
| Gregory J Wiener M D Professional Corporation | Current | Accepting new patients | |
| Concord Medical Group PLLC | Current | Accepting new patients | |
| Relias Emergency Medicine Specialists of Regional, LLC | Current | Accepting new patients |
Locations
809 University Blvd E
Tuscaloosa, AL 35401
Phone (205) 333-4661
207 W Legion Rd
Brawley, CA 92227
Phone (760) 351-3333
751 W Legion Rd
Ste 303
Brawley, CA 92227
Phone (760) 351-4466
353 Church Ave
Chula Vista, CA 91910
353 Church Ave
#A
Chula Vista, CA 91910
Phone (619) 585-8883
340 Fourth Ave
Ste 2
Chula Vista, CA 91910
Phone (619) 265-1237
463 N Magnolia Ave
El Cajon, CA 92020
Phone (619) 359-8380
4077 5th Ave
San Diego, CA 92103
Phone (619) 260-7245
200 S Geneva St
Breckenridge, TX 76424
Phone (254) 559-2241
400 N Brown St
Bldg 1
Hamilton, TX 76531
Phone (254) 386-1600
400 N Brown St
Hamilton, TX 76531
Phone (254) 386-1600
310 W South St
Henrietta, TX 76365
Phone (806) 647-2191
215 Chisholm Trl
Jacksboro, TX 76458
Phone (940) 567-5528
1602 Avenue Q
Lubbock, TX 79401
Phone (469) 809-6712
Networks
- BSC 65 PLUS INDIVIDUAL MAPD
Organizations & group practices 9
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.
-
- Clinic/Center
- Chula Vista, CA
- NPI 1376728287
-
- Family Medicine Physician
- Chula Vista, CA
- NPI 1851368161
-
dba Hamilton General Hospital
- Critical Access Hospital
- Hamilton, TX
- NPI 1326037607
Family Medicine
-
- Specialist
- San Diego, CA
- NPI 1962175836
-
- Emergency Medicine Physician
- Lubbock, TX
- NPI 1750790762
-
- Emergency Medicine Physician
- Lubbock, TX
- NPI 1083630610
-
- Emergency Medicine Physician
- Tuscaloosa, AL
- NPI 1619463163
-
dba Avir at Southcross
- Skilled Nursing Facility
- San Antonio, TX
- NPI 1952637316
Hospital & facility affiliations 4
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Community Hospital of Huntington Park
- General Acute Care Hospital
- Huntington Park, CA
- NPI 1891059127
-
dba Pioneers Memorial Hospital
- General Acute Care Hospital
- Brawley, CA
- NPI 1184429185
-
dba Hamilton General Hospital
- Critical Access Hospital
- Hamilton, TX
- NPI 1326037607
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1648425600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1762300800000",
"number": "1902556202",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "340 4TH AVE STE 2",
"city": "CHULA VISTA",
"state": "CA",
"postal_code": "919103883"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "340 4TH AVE STE 2",
"city": "CHULA VISTA",
"state": "CA",
"postal_code": "919103883",
"telephone_number": "619-422-8338"
}
],
"practiceLocations": [
{
"address_1": "353 Church Ave Ste A",
"address_purpose": "LOCATION",
"city": "Chula Vista",
"state": "CA",
"postal_code": "919103906",
"country_code": "US",
"telephone_number": "619-585-8883",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "STILLSON",
"first_name": "JOHN",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2022-03-28",
"last_updated": "2025-11-05",
"certification_date": "2025-11-05",
"status": "A"
},
"taxonomies": [
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "CA",
"license": "A202111",
"primary": true
},
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "TX",
"license": "U6089",
"primary": false
},
{
"code": "207RG0100X",
"taxonomy_group": "",
"desc": "Internal Medicine, Gastroenterology",
"state": "CA",
"license": "A202111",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Chula Vista, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 5, 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.