Doctor profile · Federal record

Dr. Jennifer Darby

Family Nurse Practitioner (CMS: Nurse Practitioner) · Family Nurse Practitioner · Sonoma, CA

  • NPI 1356863831
  • Accepts Medicare
  • 10 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
19270 Sonoma Highway
Sonoma, CA 95476
(707) 939-6070

Credentials & registration

NPPES · NUCC
NPI registered
July 2017 — 9 yrs on file
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State licenses (2)
California #95006845 · Tennessee #0000022542

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356863831. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
326
Distinct HCPCS
6
Medicare allowed
$26,915
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 147 123 $83
87636 Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19) and influenza virus types a and b 45 43 $134
99203 New patient office or other outpatient visit, 30-44 minutes 45 45 $105
71046 X-ray of chest, 2 views 33 30 $32
81003 Automated urinalysis test 31 29 $2
99214 Established patient office or other outpatient visit, 30-39 minutes 25 24 $111

In context: peer comparison

Among 2 peers in this city , average services per provider: 68. This provider delivers 4.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
241
Patients
237
Total drug cost
$2,153
Drug Type Claims Patients Total cost
Prednisone Generic 55 54 $120
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 36 36 $321
Fluticasone Propionate Generic 23 23 $278
Cephalexin Generic 22 22 $136
Doxycycline Hyclate Generic 22 21 $265
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 19 18 $459
Azithromycin Generic 19 18 $66
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 17 17 $106
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 15 15 $329
Ciprofloxacin Hcl Generic 13 13 $73

Frequently asked questions

Auto-generated from federal data
What is Dr. Jennifer Darby's medical specialty?
Dr. Jennifer Darby practices Family Nurse Practitioner in Sonoma, CA.
Where does Dr. Jennifer Darby practice?
Dr. Jennifer Darby practices at 19270 Sonoma Highway, Sonoma, CA 95476. Office phone: 7079396070.
What is Dr. Jennifer Darby's NPI?
Dr. Jennifer Darby's National Provider Identifier (NPI) is 1356863831, issued by NPPES.
Does Dr. Jennifer Darby accept Medicare assignment?
Yes. Dr. Jennifer Darby accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jennifer Darby commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19) and influenza virus types a and b (HCPCS 87636); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.