David Ritvo, M.D.
NPI 1205832094 · Psychiatry Physician · Walnut Creek, CA
David Ritvo, M.D. is a Psychiatry Physician provider in Walnut Creek, CA (NPI 1205832094).
Provider details
- NPI number
- 1205832094
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G30097 (CA)
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
21 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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Diazepam | 25 |
| Alprazolam | 24 |
| Clonazepam | 17 |
| Sertraline Hcl | 16 |
| Quetiapine Fumarate | 15 |
| Trazodone Hcl | 15 |
| Lithium Carbonatebrand: Lithium Carbonate Er | 14 |
| Dextroamphetamine Sulfate | 13 |
| Duloxetine Hcl | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-26
- Last updated
- 2025-09-11
Frequently asked questions
- What is David Ritvo's NPI number?
- David Ritvo's National Provider Identifier (NPI) is 1205832094, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Ritvo's specialty?
- David Ritvo is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is David Ritvo located?
- David Ritvo's practice location on file with NPPES is 1910 Olympic Blvd, Walnut Creek, CA 94596-5070.
- What is David Ritvo's phone number?
- The practice phone number listed in the NPPES registry for David Ritvo is (925) 944-1002.
- Is David Ritvo's NPI active?
- Yes — David Ritvo's NPI (1205832094) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.