Anna Antonowich, MSN, NP-BC
NPI 1215063268 · Family Nurse Practitioner · Ukiah, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anna Antonowich, MSN, NP-BC is a Family Nurse Practitioner provider in Ukiah, CA (NPI 1215063268).
Provider details
- NPI number
- 1215063268
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN, NP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 13718 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
807 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 529 | $81 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 133 | $55 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 103 | $121 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 28 | $111 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 14 | $152 |
Typical Medicare-allowed amounts for these services range $55–$152 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Nystatin | 34 | 23 |
| Hydroxyurea | 27 | — |
| Famotidine | 25 | 13 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 24 | 13 |
| Rivaroxabanbrand: Xarelto | 23 | — |
| Gabapentin | 22 | 13 |
| Anastrozole | 18 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$889 across 39 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 700 River DrFort Bragg, CA 95437-5403Phone: (707) 961-4922Fax: (707) 961-4921
Registry dates
- Enumerated
- 2007-02-26
- Last updated
- 2023-03-22
- Certified
- 2023-03-22
Frequently asked questions
- What is Anna Antonowich's NPI number?
- Anna Antonowich's National Provider Identifier (NPI) is 1215063268, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anna Antonowich's specialty?
- Anna Antonowich is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Anna Antonowich located?
- Anna Antonowich's practice location on file with NPPES is 260 Hospital Dr Ste 207, Ukiah, CA 95482-4568.
- What is Anna Antonowich's phone number?
- The practice phone number listed in the NPPES registry for Anna Antonowich is (707) 463-7627.
- Does Anna Antonowich accept Medicare?
- Anna Antonowich is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anna Antonowich's NPI active?
- Yes — Anna Antonowich's NPI (1215063268) is active in the NPPES registry as of the last update on 2023-03-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.