Katherine Hardin, FNP
NPI 1871085662 · Family Nurse Practitioner · Santa Rosa, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Hardin, FNP is a Family Nurse Practitioner provider in Santa Rosa, CA (NPI 1871085662).
Provider details
- NPI number
- 1871085662
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 95009142 (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
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
428 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 | 201 | $118 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 78 | $84 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 45 | $120 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 42 | $166 |
| Administration of Influenza Virus VaccineG0008 | 28 | $35 |
| Removal of Impacted Ear Wax By Washing69209 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 37 | 17 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 32 | 15 |
| Levothyroxine Sodium | 30 | — |
| Losartan Potassium | 30 | — |
| Azelastine Hcl | 23 | 15 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 15 | — |
| Amlodipine Besylate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-06-06
- Last updated
- 2018-06-06
Frequently asked questions
- What is Katherine Hardin's NPI number?
- Katherine Hardin's National Provider Identifier (NPI) is 1871085662, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Hardin's specialty?
- Katherine Hardin is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Hardin located?
- Katherine Hardin's practice location on file with NPPES is 4700 Hoen Ave, Santa Rosa, CA 95405-7824.
- What is Katherine Hardin's phone number?
- The practice phone number listed in the NPPES registry for Katherine Hardin is (707) 526-3360.
- Does Katherine Hardin accept Medicare?
- Katherine Hardin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Hardin's NPI active?
- Yes — Katherine Hardin's NPI (1871085662) is active in the NPPES registry as of the last update on 2018-06-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.