Doctor profile · Federal record

Dr. Anna Antonowich, MSN, NP-BC

Family Nurse Practitioner (CMS: Nurse Practitioner) · Ukiah, CA

  • NPI 1215063268
  • Accepts Medicare
  • MIPS 70.6 / 100 · 2023
  • 24 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
260 Hospital Dr Ste 207
Ukiah, CA 954824568
(707) 463-7627
fax (707) 463-7420
Additional location
700 River Dr
Fort Bragg, CA 954375403
(707) 961-4922
fax (707) 961-4921

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
March 22, 2023
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
California #13718

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1215063268. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
496
Distinct HCPCS
5
Medicare allowed
$39,813
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 332 196 $83
99213 Established patient office or other outpatient visit, 20-29 minutes 101 80 $56
99204 New patient office or other outpatient visit, 45-59 minutes 27 27 $113
99215 Established patient office or other outpatient visit, 40-54 minutes 20 18 $122
99203 New patient office or other outpatient visit, 30-44 minutes 16 16 $70

In context: peer comparison

Among 3 peers in Ukiah Family Nurse Practitioner, average services per provider: 83. This provider delivers 6.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$889
Transactions
37
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 10 $194.07
Pfizer INC. 5 $105.91
AstraZeneca Pharmaceuticals Lp 4 $97.46
Seagen INC. 1 $72.73
Genentech USA, INC. 3 $64.81
Novartis Pharmaceuticals Corporation 2 $52.23
Myriad Genetic Laboratories, INC. 1 $51.65
Pharmacosmos Therapeutics INC. 3 $49.57
Janssen Biotech, INC. 2 $33.24
Genzyme Corporation 1 $29.18
Coherus Biosciences INC. 1 $28.54
Incyte Corporation 1 $23.78
Lilly USA, LLC 1 $22.53
Regeneron Healthcare Solutions, INC. 1 $21.09
E.R. Squibb & Sons, L.L.C. 1 $19.24

By nature of payment

Food and Beverage
$816
Education
$73

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
278
Patients
39
Total drug cost
$274,895
Drug Type Claims Patients Total cost
Warfarin Sodium Generic 63 14 $1,457
Letrozole Generic 31 0 $437
Acyclovir Generic 30 0 $509
Ondansetron Odt (Ondansetron) Brand 19 13 $416
Prednisone Generic 19 0 $152
Famotidine Generic 17 0 $429
Imbruvica (Ibrutinib) Brand 17 0 $269,482
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 15 0 $556
Nystatin Generic 12 12 $164
Gabapentin Generic 11 0 $177

Frequently asked questions

Auto-generated from federal data
What is Dr. Anna Antonowich's medical specialty?
Dr. Anna Antonowich practices Family Nurse Practitioner in Ukiah, CA.
Where does Dr. Anna Antonowich practice?
Dr. Anna Antonowich practices at 260 Hospital Dr Ste 207, Ukiah, CA 954824568. Office phone: 7074637627.
What is Dr. Anna Antonowich's NPI?
Dr. Anna Antonowich's National Provider Identifier (NPI) is 1215063268, issued by NPPES.
Does Dr. Anna Antonowich accept Medicare assignment?
Yes. Dr. Anna Antonowich accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Anna Antonowich commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.