Doctor profile · Federal record

Dr. Jonathan Tammela, MD

Gynecologic Oncology Physician (CMS: Obstetrics/Gynecology) · Gynecologic Oncology Physician · Santa Maria, CA

  • NPI 1265451058
  • Accepts Medicare
  • MIPS 90.2 / 100 · 2023
  • 28 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1325 E Church St Ste 202
Santa Maria, CA 934545915
(805) 346-3456
Additional location
500 Old River RD Ste 200
Bakersfield, CA 933119505
(661) 663-6429

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
March 10, 2026
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207VX0201X — NUCC code
State licenses (2)
California #C153584 · Wisconsin #48350
Medicaid
WI #34678500

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265451058. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
224
Distinct HCPCS
8
Medicare allowed
$62,098
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 59 49 $99
99204 New patient office or other outpatient visit, 45-59 minutes 34 34 $180
58571 Removal of uterus, tubes, and/or ovaries through abdomen using an endoscope, 250.0 g or less 33 33 $959
99205 New patient office or other outpatient visit, 60-74 minutes 30 30 $237
99203 New patient office or other outpatient visit, 30-44 minutes 21 21 $122
99214 Established patient office or other outpatient visit, 30-39 minutes 19 15 $139
38900 Imaging of lymph nodes during surgery 16 16 $186
38570 Biopsy and removal of lymph nodes of abdominal cavity using an endoscope 12 12 $271

In context: peer comparison

Among 1 peers in Santa Maria Gynecologic Oncology Physician, average services per provider: 28. This provider delivers 8.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Jonathan Tammela's medical specialty?
Dr. Jonathan Tammela practices Gynecologic Oncology Physician in Santa Maria, CA.
Where does Dr. Jonathan Tammela practice?
Dr. Jonathan Tammela practices at 1325 E Church St Ste 202, Santa Maria, CA 934545915. Office phone: 8053463456.
What is Dr. Jonathan Tammela's NPI?
Dr. Jonathan Tammela's National Provider Identifier (NPI) is 1265451058, issued by NPPES.
Does Dr. Jonathan Tammela accept Medicare assignment?
Yes. Dr. Jonathan Tammela accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jonathan Tammela commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204); Removal of uterus, tubes, and/or ovaries through abdomen using an endoscope, 250.0 g or less (HCPCS 58571). Source: CMS Medicare Physician & Other Practitioners file.