Active NPI
Amanda Lynn Jainchill, M.D.
- Family Medicine Physician
- National City, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Medicine Physician
- License
- A141541
- Practice address
- 2835 Highland Ave
National City, CA 91950-7404 - Phone
- (844) 200-2426
- Fax
- (619) 474-4008
- NPI assigned
- Jun 10, 2013
- Last updated
- Sep 1, 2026
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Family Medicine Physician | 207Q00000X | 0116025759 | VA | |
| Family Medicine Physician | 207Q00000X | A141541 | CA | Primary |
Addresses
Primary practice location
2835 Highland Ave
National City, CA 91950-7404
Mailing address
637 3Rd Ave Ste E1
Chula Vista, CA 91910-5707
Phone (844) 200-2426
Other names 1
- Amanda Lynn Tarnowicz
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
Enrollment records 1
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A141541 | CA | MD | Family Medicine Physician |
| 0116025759 | VA | MD | Family Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| County of Monterey Behavioral Health | Current | Accepting new patients | |
| County of Monterey | Current | Accepting new patients | |
| Scripps Mercy Physicians Cardiology Medical Corporation | Current | Accepting new patients | |
| Operation Samahan Inc | Current | Accepting new patients | |
| On Call Specialists Medical Group of San Diego, Inc. | Current | Accepting new patients | |
| Operation Samahan Inc | Past | Accepting new patients | |
| Operation Samahan, Inc. | Past | Accepting new patients |
Locations
435 H St
Ste CV112
Chula Vista, CA 91910
1428 Highland Ave
National City, CA 91950
Phone (619) 245-1707
2835 Highland Ave
National City, CA 91950
Phone (209) 683-5640
2835 Highland Ave
Ste A
National City, CA 91950
Phone (618) 474-5567
1441 Constitution Blvd
Salinas, CA 93906
Phone (831) 261-8090
10737 Camino Ruiz
Ste 235
San Diego, CA 92126
Phone (858) 578-4220
4077 5th Ave
San Diego, CA 92103
Phone (619) 260-7245
650 E Devon Ave
Ste 165
Itasca, IL 60143
Phone (630) 285-1040
Interoperability endpoints
- amanda.jainchill@opsam.eclinicaldirectplus.com
Organizations & group practices 8
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.
-
dba Natividad Medical Center
- General Acute Care Hospital
- Salinas, CA
- NPI 1205863255
-
- Specialist
- San Diego, CA
- NPI 1962175836
-
- Internal Medicine Physician
- San Diego, CA
- NPI 1477644474
-
dba Samahan Health Centers
- Federally Qualified Health Center (FQHC)
- San Diego, CA
- NPI 1871680397
-
dba Access to Treatment Pearl St
- Adult Mental Health Clinic/Center
- Salinas, CA
- NPI 1053126003
-
dba Erma Rd Community Health Center
- Federally Qualified Health Center (FQHC)
- San Diego, CA
- NPI 1861933897
-
- Federally Qualified Health Center (FQHC)
- San Diego, CA
- NPI 1194616268
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1370822400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1788220800000",
"number": "1720426901",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "637 3RD AVE STE E1",
"city": "CHULA VISTA",
"state": "CA",
"postal_code": "919105707",
"telephone_number": "844-200-2426",
"fax_number": "619-356-2726"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2835 HIGHLAND AVE",
"city": "NATIONAL CITY",
"state": "CA",
"postal_code": "919507404",
"telephone_number": "844-200-2426",
"fax_number": "619-474-4008"
}
],
"practiceLocations": [],
"basic": {
"last_name": "JAINCHILL",
"first_name": "AMANDA",
"middle_name": "LYNN",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2013-06-10",
"last_updated": "2026-09-01",
"certification_date": "2026-09-01",
"status": "A"
},
"taxonomies": [
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "VA",
"license": "0116025759",
"primary": false
},
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "CA",
"license": "A141541",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "AMANDA",
"last_name": "TARNOWICZ",
"middle_name": "LYNN",
"code": "1",
"type": "Former Name"
}
]
}
Other providers in National City, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 1, 2026; 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.