Katrina Hirsig, NP-C
NPI 1366797995 · Family Nurse Practitioner · Los Osos, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katrina Hirsig, NP-C is a Family Nurse Practitioner provider in Los Osos, CA (NPI 1366797995).
Provider details
- NPI number
- 1366797995
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 22337 (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 tenure28% of score
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,471 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 411 | $118 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 382 | $84 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 271 | $121 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 57 | $52 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 53 | $102 |
| Hemoglobin A1c Level83036 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 68 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 275 | 84 |
| Levothyroxine Sodium | 229 | 67 |
| Losartan Potassium | 213 | 68 |
| Hydrochlorothiazide | 176 | 53 |
| Amlodipine Besylate | 167 | 49 |
| Rosuvastatin Calcium | 167 | 58 |
| Lisinopril |
Practice location
Mailing address
Additional practice locations (1)
- 685 Morro Ave Ste CMorro Bay, CA 93442-2233Phone: (805) 772-7313Fax: (805) 772-0395
Registry dates
- Enumerated
- 2012-07-19
- Last updated
- 2023-11-02
- Certified
- 2023-11-02
Frequently asked questions
- What is Katrina Hirsig's NPI number?
- Katrina Hirsig's National Provider Identifier (NPI) is 1366797995, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katrina Hirsig's specialty?
- Katrina Hirsig is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katrina Hirsig located?
- Katrina Hirsig's practice location on file with NPPES is 2238 Bayview Heights Dr Ste G, Los Osos, CA 93402-3930.
- What is Katrina Hirsig's phone number?
- The practice phone number listed in the NPPES registry for Katrina Hirsig is (805) 534-1305.
- Does Katrina Hirsig accept Medicare?
- Katrina Hirsig is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katrina Hirsig's NPI active?
- Yes — Katrina Hirsig's NPI (1366797995) is active in the NPPES registry as of the last update on 2023-11-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.