Katherine Hardin, FNP
Family Nurse Practitioner · Santa Rosa, CA
Katherine Hardin, FNP is a family nurse practitioner with a practice address in Santa Rosa, California, and NPI 1871085662, issued on Jun 6, 2018. Check the license (California 95009142, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Hardin
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 95009142 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4700 Hoen Ave, Santa Rosa, CA 95405
- Phone
- (707) 526-3360
- Enumerated
- Jun 6, 2018
- Record last updated
- Jun 6, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210413002297); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 4700 Hoen Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Heckey, MDGeneral Practice Physician1205879681
- Thomas Honrath, M.D.Family Medicine Physician1093779845
- Catherine Johnsen, DOFamily Medicine Physician1801830724
- Ana Pacheco Clark, MDFamily Medicine Physician1053352948
- Saverio Roberto, DOInternal Medicine Physician1700285103
- Kirsty Viera, PSY.D.Clinical Psychologist1992995534
Verify Katherine Hardin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95009142Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average family nurse practitioner in 2024
709 Medicare Part D claims for 156 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 22 claims were for opioids.
Most prescribed
- Estradiol37 claims
- Albuterol Sulfate Hfa32 claims
- Levothyroxine Sodium30 claims
- Losartan Potassium30 claims
- Azelastine Hcl23 claims
- Amlodipine Besylate15 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.
Bills Medicare through one group practice
- Sutter Bay Medical FoundationSanta Rosa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Hardin among 16,966 family nurse practitioner records in California
Katherine Hardin, FNP is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 45% of them.
- NPI issued2018 · 45% of these records are older, 50% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2018 · median 2019 among the 6,793 with a school on file
- Record last updated2018 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
170 family nurse practitioner records list a practice address in Santa Rosa
They are 170 of the 6,884 NPPES records with a practice address in Santa Rosa, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in Santa Rosa → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Gina Bey, FNPSanta Rosa, CA 954051699906891
- Linda Rae Brown, FNP-BCSanta Rosa, CA 954051831343011
- Darien Chandler, F.N.P.Santa Rosa, CA 954051942316567
- Tori Crawford, N.P.Santa Rosa, CA 954051659509586
- Wendy Curnow, FNPSanta Rosa, CA 954051093193807
- Dena Dimond, N.P.Santa Rosa, CA 954051518370519
- Jennifer Graff, FNP-BCSanta Rosa, CA 954051053757922
- Rhoda Halliday, FNPSanta Rosa, CA 954051205072816
Common questions
What is Katherine Hardin, FNP's NPI number?
Katherine Hardin, FNP's National Provider Identifier (NPI) is 1871085662, issued on Jun 6, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Hardin, FNP located?
The NPPES record lists a practice address at 4700 Hoen Ave, Santa Rosa, CA, 95405. Phone: (707) 526-3360. Providers update this record themselves, so call before visiting.
How can I verify Katherine Hardin, FNP's license?
NPPES lists California license number 95009142, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine Hardin, FNP prescribe under Medicare Part D?
In 2024, Katherine Hardin, FNP had 709 Medicare Part D claims for 156 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.