Anna Antonowich, MSN, NP-BC
Family Nurse Practitioner · Ukiah, CA
Anna Antonowich, MSN, NP-BC is a family nurse practitioner with a practice address in Ukiah, California, and NPI 1215063268, issued on Feb 26, 2007. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Anna Antonowich
- Credential
- MSN, NP-BC
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- Practice location
- 260 Hospital Dr Ste 207, Ukiah, CA 95482
- Phone
- (707) 463-7627
- Enumerated
- Feb 26, 2007
- Entity
- Type 1 · individual
Also registered at 260 Hospital Dr Ste 207
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maria Sophia Francesca Perez, NPFamily Nurse Practitioner1619855509
- Xiaojie WuNurse Practitioner1083117048
Verify Anna Antonowich in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
63% fewer Medicare Part D claims than the average family nurse practitioner in 2024
484 Medicare Part D claims for 165 beneficiaries, against an average of 1,302 among the 128,048 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 36 claims were for opioids.
Most prescribed
- Nystatin34 claims
- Hydroxyurea27 claims
- Famotidine25 claims
- Hydrocodone-Acetaminophen24 claims
- Xarelto23 claims
- Gabapentin22 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's Medicare quality score for 2023: 74.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $888.74
39 payments, mostly food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 91,435 providers of this specialty with any payment received $675.31 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital or facility affiliation
- Ukiah Adventist HospitalUkiah, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
31 family nurse practitioner records list a Ukiah practice address
They are 31 of the 1,439 NPPES records with a Ukiah practice address, and 15,527 family nurse practitioner records in California.
All 31 in Ukiah → All 15,527 in California → Every provider in Ukiah →
Other family nurse practitioner records in California
- Danielle Aaroe, FAMILY NURSE PRACTITOroville, CA1750767083
- Joshua AaronMission Hills, CA1477291805
- Orly Aaron, NPSan Francisco, CA1376912451
- Paris Gilbert Russ AaronSacramento, CA1871079111
- Alvin Joseph Abad, FNP-CSan Francisco, CA1154919306
- Frances Abad, FNPLos Angeles, CA1053504514
- Raymond Abagat, FNPTorrance, CA1306685821
- Ashley AbalCastaic, CA1740140698
- Maureen Abaray, F.N.P.Stockton, CA1265549349
- Arcelyn Abas, NPLa Mirada, CA1174035885
Common questions
What is Anna Antonowich, MSN, NP-BC's NPI number?
Anna Antonowich, MSN, NP-BC's National Provider Identifier (NPI) is 1215063268, issued on Feb 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Anna Antonowich, MSN, NP-BC located?
The NPPES record lists a practice address at 260 Hospital Dr Ste 207, Ukiah, CA, 95482. Phone: (707) 463-7627. Providers update this record themselves, so call before visiting.
How can I verify Anna Antonowich, MSN, NP-BC's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Anna Antonowich, MSN, NP-BC prescribe under Medicare Part D?
In 2024, Anna Antonowich, MSN, NP-BC had 484 Medicare Part D claims for 165 beneficiaries; the average among family nurse practitioner prescribers was 1,302. Part D covers Medicare prescriptions only.
What is Anna Antonowich, MSN, NP-BC's Medicare quality score?
The 2023 MIPS final score is 74.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.