Joel Mostow, M.D.
NPI 1053351502 · Psychiatry Physician · Napa, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joel Mostow, M.D. is a Psychiatry Physician provider in Napa, CA (NPI 1053351502).
Provider details
- NPI number
- 1053351502
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036084695 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Clozapine | 272 |
| Levothyroxine Sodium | 54 |
| Duloxetine Hcl | 48 |
| Lumateperone Tosylatebrand: Caplyta | 48 |
| Olanzapine | 43 |
| Paliperidone Palmitatebrand: Invega Sustenna | 39 |
| Atorvastatin Calcium | 37 |
| Sertraline Hcl | 30 |
| Quetiapine Fumarate | 29 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-06
- Last updated
- 2015-01-20
Frequently asked questions
- What is Joel Mostow's NPI number?
- Joel Mostow's National Provider Identifier (NPI) is 1053351502, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joel Mostow's specialty?
- Joel Mostow is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Joel Mostow located?
- Joel Mostow's practice location on file with NPPES is 2100 Napa Vallejo Hwy., Napa, CA 94558-6293.
- What is Joel Mostow's phone number?
- The practice phone number listed in the NPPES registry for Joel Mostow is (707) 253-5654.
- Does Joel Mostow accept Medicare?
- Joel Mostow is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joel Mostow's NPI active?
- Yes — Joel Mostow's NPI (1053351502) is active in the NPPES registry as of the last update on 2015-01-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.