Doctor profile · Federal record

Dr. Louis Doan, D.O.

Psychiatry Physician · Napa, CA

  • NPI 1255674982
  • 13 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2751 Napa Valley Corporate Dr Bldg A
Napa, CA 945586216
(707) 253-4279
Additional location
4441 E Cesar Chavez Blvd
Fresno, CA 937023604
(760) 947-5228
Mailing address
4441 E Cesar Chavez Blvd
Fresno, CA 937023604

Credentials & registration

NPPES · NUCC
NPI registered
April 2013 — 13 yrs on file
Profile last updated
June 27, 2025
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
California #20A16080

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255674982. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
64
Distinct HCPCS
1
Medicare allowed
$6,477
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 64 36 $101

In context: peer comparison

Among 12 peers in Napa Psychiatry Physician, average services per provider: 130. This provider delivers 0.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
621
Patients
127
Total drug cost
$33,926
Drug Type Claims Patients Total cost
Buspirone Hcl Generic 62 15 $1,537
Quetiapine Fumarate Generic 62 12 $2,508
Aripiprazole Generic 58 15 $14,557
Venlafaxine Hcl ER (Venlafaxine Hcl) Brand 46 11 $1,115
Hydroxyzine Hcl Generic 44 0 $1,110
Duloxetine Hcl Generic 41 11 $1,183
Mirtazapine Generic 38 11 $643
Risperidone Generic 38 0 $995
Olanzapine Generic 37 12 $2,842
Clozapine Generic 36 0 $4,488

Frequently asked questions

Auto-generated from federal data
What is Dr. Louis Doan's medical specialty?
Dr. Louis Doan practices Psychiatry Physician in Napa, CA.
Where does Dr. Louis Doan practice?
Dr. Louis Doan practices at 2751 Napa Valley Corporate Dr Bldg A, Napa, CA 945586216. Office phone: 7072534279.
What is Dr. Louis Doan's NPI?
Dr. Louis Doan's National Provider Identifier (NPI) is 1255674982, issued by NPPES.
What procedures does Dr. Louis Doan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.