Active NPI
Jonathan Edward Tammela, MD
- Gynecologic Oncology Physician
- Santa Maria, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Gynecologic Oncology Physician
- License
- C153584
- Practice address
- 1325 E Church St Ste 202
Santa Maria, CA 93454-5915 - Phone
- (805) 346-3456
- NPI assigned
- Jul 19, 2006
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Gynecologic Oncology Physician | 207VX0201X | C153584 | CA | Primary |
| Gynecologic Oncology Physician | 207VX0201X | 48350 | WI |
Addresses
Primary practice location
1325 E Church St Ste 202
Santa Maria, CA 93454-5915
Mailing address
1325 E Church St Ste 202
Santa Maria, CA 93454-5915
Phone (805) 346-3456
Other practice location 1
500 Old River Rd Ste 200
Bakersfield, CA 93311-9505
Phone (661) 663-6429
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 34678500 | Medicaid | WI |
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
Care Compare profile
Medicare Care Compare- Specialty
- Obstetrics/Gynecology
- Education
- Indiana University School of Medicine, 1998
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
220 S Palisade Dr
Suite 203
Santa Maria, CA 93454-8903
Phone (805) 354-7101
Hospital & facility affiliations
Merit-based Incentive Payment System (MIPS)
- Final score
- 99.64 of 100
- Quality
- 86.27
- Promoting interoperability
- 100
- Improvement activities
- 40
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Removal of the uterus | 44 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| C153584 | CA | MD | Gynecologic Oncology Physician |
| 48350 | WI | MD | Gynecologic Oncology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Pacific Central Coast Health Centers | Current | Accepting new patients | |
| Pacific Central Coast Health Centers | Current | Accepting new patients | |
| Ravi Patel M.D. Inc | Current | Accepting new patients | |
| Pacific Central Coast Health Centers | Current | Accepting new patients | |
| Dignity Health | Past | Accepting new patients | |
| Dignity Health | Past | Accepting new patients | |
| Sacred Heart Hospital of the Hospital Sisters-3Rd Order of St Francis | Past | Accepting new patients | |
| Pacific Central Coast Health Centers | Past | Accepting new patients | |
| St Mary's Hospital Medical Center of Green Bay Inc.-Hospital Sisters | Past | Accepting new patients | |
| Pacific Central Coast Health Centers | Past | Accepting new patients | |
| Bakersfield Memorial Hospital | Past | Accepting new patients |
Locations
6501 Truxtun Ave
Bakersfield, CA 93309
Phone (661) 322-2206
500 Old River Rd
Ste 200
Bakersfield, CA 93311
Phone (661) 663-6429
2901 N Ventura Rd
Ste 110
Oxnard, CA 93036
Phone (805) 981-6163
1325 E Church St
Ste 202
Santa Maria, CA 93454
Phone (805) 346-3456
1400 E Church St
Ofc
Santa Maria, CA 93454
Phone (805) 739-3112
1510 E Main St
Ste 104C
Santa Maria, CA 93454
Phone (805) 349-8514
1414 E Main St
Ste 201
Santa Maria, CA 93454
Phone (805) 739-3112
220 S Palisade Dr
Ste 203
Santa Maria, CA 93454
Phone (805) 354-7101
Networks
- BSC 65 PLUS INDIVIDUAL MAPD
Organizations & group practices 11
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.
-
dba Marian Community Clinic
- Community Health Clinic/Center
- Santa Maria, CA
- NPI 1063496651
-
dba Comprehensive Blood & Cancer Center
- Specialist
- Bakersfield, CA
- NPI 1912978834
-
dba Mission Hope Medical Oncology - Santa Maria
- Community Health Clinic/Center
- Santa Maria, CA
- NPI 1306319595
-
dba Fair Oaks Specialty Center
- Community Health Clinic/Center
- Arroyo Grande, CA
- NPI 1831764117
-
dba Bakersfield Memorial Hospital Pharmacy
- Institutional Pharmacy
- Bakersfield, CA
- NPI 1144256363
-
- General Acute Care Hospital
- Santa Maria, CA
- NPI 1760510937
-
dba Monarch Village Health Center
- Community Health Clinic/Center
- Nipomo, CA
- NPI 1417555061
-
dba Dignity Health Women's Center - Southwest
- Community Health Clinic/Center
- Bakersfield, CA
- NPI 1720752355
-
dba Sacred Heart Hospital
- General Acute Care Hospital
- Eau Claire, WI
- NPI 1205811221
-
- General Acute Care Hospital
- Green Bay, WI
- NPI 1649246877
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba French Hospital Medical Center
- General Acute Care Hospital
- San Luis Obispo, CA
- NPI 1881760452
-
- General Acute Care Hospital
- Santa Maria, CA
- NPI 1760510937
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1153267200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1777334400000",
"number": "1265451058",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1325 E CHURCH ST STE 202",
"city": "SANTA MARIA",
"state": "CA",
"postal_code": "934545915",
"telephone_number": "805-346-3456",
"fax_number": "805-346-3454"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1325 E CHURCH ST STE 202",
"city": "SANTA MARIA",
"state": "CA",
"postal_code": "934545915",
"telephone_number": "805-346-3456"
}
],
"practiceLocations": [
{
"address_1": "500 Old River Rd Ste 200",
"address_purpose": "LOCATION",
"city": "Bakersfield",
"state": "CA",
"postal_code": "933119505",
"country_code": "US",
"telephone_number": "661-663-6429",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "TAMMELA",
"first_name": "JONATHAN",
"middle_name": "EDWARD",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-07-19",
"last_updated": "2026-04-28",
"certification_date": "2026-04-28",
"status": "A"
},
"taxonomies": [
{
"code": "207VX0201X",
"taxonomy_group": "",
"desc": "Obstetrics & Gynecology, Gynecologic Oncology",
"state": "CA",
"license": "C153584",
"primary": true
},
{
"code": "207VX0201X",
"taxonomy_group": "",
"desc": "Obstetrics & Gynecology, Gynecologic Oncology",
"state": "WI",
"license": "48350",
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "34678500",
"state": "WI"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Santa Maria, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 28, 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.
- 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.