Ronald Cohen, M.D.
NPI 1902064298 · Psychiatry Physician · Los Altos, CA
Enrolled with Medicare as Order and Referring Only - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ronald Cohen, M.D. is a Psychiatry Physician provider in Los Altos, CA (NPI 1902064298).
Provider details
- NPI number
- 1902064298
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G16072 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
18 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 11 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Diazepam | 59 |
| Quetiapine Fumarate | 32 |
| Fluoxetine Hcl | 28 |
| Gabapentin | 23 |
| Clonidine Hcl | 21 |
| Alprazolam | 18 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphetamine | 16 |
| Duloxetine Hcl | 15 |
| Dextroamphetamine Sulfate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$100 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-05-23
- Last updated
- 2008-05-23
Frequently asked questions
- What is Ronald Cohen's NPI number?
- Ronald Cohen's National Provider Identifier (NPI) is 1902064298, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Cohen's specialty?
- Ronald Cohen is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Cohen located?
- Ronald Cohen's practice location on file with NPPES is 851 Fremont Ave, Los Altos, CA 94024-5698.
- What is Ronald Cohen's phone number?
- The practice phone number listed in the NPPES registry for Ronald Cohen is (650) 941-1113.
- Does Ronald Cohen accept Medicare?
- Ronald Cohen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ronald Cohen's NPI active?
- Yes — Ronald Cohen's NPI (1902064298) is active in the NPPES registry as of the last update on 2008-05-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.