Doctor profile · Federal record

Dr. Julie Fields, MD

Public Health & General Preventive Medicine Physician (CMS: Preventive Medicine) · Yountville, CA

  • NPI 1730156282
  • Accepts Medicare
  • 34 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
220 California Dr
Yountville, CA 945991412
(707) 944-4635

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
March 23, 2018
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
2083P0901X — NUCC code
State license (1)
California #A52506

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1730156282. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
582
Distinct HCPCS
8
Medicare allowed
$17,205
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 366 234 $8
96372 Injection of drug or substance under skin or into muscle 44 31 $16
69210 Removal of impacted ear wax 43 39 $54
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg 41 29 $2
99214 Established patient office or other outpatient visit, 30-39 minutes 28 14 $143
99213 Established patient office or other outpatient visit, 20-29 minutes 27 17 $101
95250 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with provider supplied equipment 18 17 $119
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 15 15 $145

In context: peer comparison

Among 1 peers in Yountville Public Health & General Preventive Medicine Physician, average services per provider: 72. This provider delivers 8.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$22
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Intuitive Surgical, INC. 1 $22.00

By nature of payment

Food and Beverage
$22

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
386
Patients
0
Total drug cost
$27,312
Drug Type Claims Patients Total cost
Synthroid (Levothyroxine Sodium) Brand 48 0 $618
Finasteride Generic 43 0 $436
Eliquis (Apixaban) Brand 39 0 $22,749
Amlodipine Besylate Generic 32 0 $158
Gabapentin Generic 27 0 $411
Fluticasone Propionate Generic 25 0 $440
Atorvastatin Calcium Generic 23 0 $317
Simvastatin Generic 23 0 $224
Metoprolol Succinate Generic 22 0 $240
Pantoprazole Sodium Generic 21 0 $262

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Julie Fields's medical specialty?
Dr. Julie Fields practices Public Health & General Preventive Medicine Physician in Yountville, CA.
Where does Dr. Julie Fields practice?
Dr. Julie Fields practices at 220 California Dr, Yountville, CA 945991412. Office phone: 7079444635.
What is Dr. Julie Fields's NPI?
Dr. Julie Fields's National Provider Identifier (NPI) is 1730156282, issued by NPPES.
Does Dr. Julie Fields accept Medicare assignment?
Yes. Dr. Julie Fields accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Julie Fields commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Injection of drug or substance under skin or into muscle (HCPCS 96372); Removal of impacted ear wax (HCPCS 69210). Source: CMS Medicare Physician & Other Practitioners file.