Jennifer K. Darby
Family Nurse Practitioner · Sonoma, CA
Jennifer K. Darby is a family nurse practitioner with a practice address in Sonoma, California, and NPI 1356863831, issued on Jul 17, 2017. Check the license (California 95006845, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jennifer K. Darby
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 95006845 CA
0000022542 TN
Self-reported in NPPES; status is on the state search - Practice location
- 19270 Sonoma Highway, Sonoma, CA 95476
- Phone
- (707) 939-6070
- Enumerated
- Jul 17, 2017
- Record last updated
- Jul 17, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20211228000727); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 19270 Sonoma Highway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stacie Anderson, AGNPGerontology Nurse Practitioner1407695182
- Michael Bartos, M.D.Psychiatry Physician1679625891
- Claudia Govea Ochoa, REGISTER NURSERegistered Nurse1265973143
- Jennifer Hasa, M.D.Family Medicine Physician1982951851
Verify Jennifer K. Darby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95006845Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average family nurse practitioner in 2024
250 Medicare Part D claims for 164 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin-Clavulanate Potass37 claims
- Prednisone30 claims
- Azithromycin18 claims
- Albuterol Sulfate Hfa14 claims
- Nitrofurantoin Mono-Macro13 claims
- Cephalexin12 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
- Multicare Health SystemKent, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
9 family nurse practitioner records list a practice address in Sonoma
They are 9 of the 395 NPPES records with a practice address in Sonoma, and 16,966 family nurse practitioner records in California.
All 9 in Sonoma → All 16,966 in California → Every provider in Sonoma →
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
- Tiffanne Aaronsen, FNPIndio, CA1568191807
- Alvin Joseph Abad, FNP-CSan Francisco, CA1154919306
- Frances Abad, FNPLos Angeles, CA1053504514
- Nnenna AbaezeLong Beach, CA1457820763
- Raymond Abagat, FNPTorrance, CA1306685821
- Ashley AbalCastaic, CA1740140698
Common questions
What is Jennifer K. Darby's NPI number?
Jennifer K. Darby's National Provider Identifier (NPI) is 1356863831, issued on Jul 17, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer K. Darby located?
The NPPES record lists a practice address at 19270 Sonoma Highway, Sonoma, CA, 95476. Phone: (707) 939-6070. Providers update this record themselves, so call before visiting.
How can I verify Jennifer K. Darby's license?
NPPES lists California license number 95006845, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Jennifer K. Darby prescribe under Medicare Part D?
In 2024, Jennifer K. Darby had 250 Medicare Part D claims for 164 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.