Louis Doan, D.O.
NPI 1255674982 · Psychiatry Physician · Napa, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louis Doan, D.O. is a Psychiatry Physician provider in Napa, CA (NPI 1255674982).
Provider details
- NPI number
- 1255674982
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 20A16080 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
169 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 64 | $131 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 42 | $54 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 38 | $86 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 25 | $185 |
Typical Medicare-allowed amounts for these services range $54–$185 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 134 | 19 |
| Olanzapine | 113 | 15 |
| Clozapine | 77 | — |
| Aripiprazole | 67 | 17 |
| Gabapentin | 60 | — |
| Lamotrigine | 58 | — |
| Risperidone | 56 | — |
| Escitalopram Oxalate |
Practice location
Mailing address
Additional practice locations (1)
- 4441 E Cesar Chavez BlvdFresno, CA 93702-3604Phone: (760) 947-5228
Registry dates
- Enumerated
- 2013-04-01
- Last updated
- 2025-06-27
- Certified
- 2022-10-27
Frequently asked questions
- What is Louis Doan's NPI number?
- Louis Doan's National Provider Identifier (NPI) is 1255674982, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Doan's specialty?
- Louis Doan is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Louis Doan located?
- Louis Doan's practice location on file with NPPES is 2751 Napa Valley Corporate Dr Bldg a, Napa, CA 94558-6216.
- What is Louis Doan's phone number?
- The practice phone number listed in the NPPES registry for Louis Doan is (707) 253-4279.
- Does Louis Doan accept Medicare?
- Louis Doan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Louis Doan's NPI active?
- Yes — Louis Doan's NPI (1255674982) is active in the NPPES registry as of the last update on 2025-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.