Quick answers
- Where does Robert I. Picker see patients?
- Medicare's clinician data lists 2 practice locations, including Walnut Creek, CA. Call before your visit to confirm the address.
- What is Robert I. Picker's specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does Robert I. Picker accept Medicare assignment?
- Medicare's clinician data says Robert I. Picker may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- Does Robert I. Picker offer telehealth?
- Medicare's clinician data says Robert I. Picker offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Robert I. Picker?
- (925) 945-8440, as listed in official Medicare / NPI Registry data.
- What is Robert I. Picker's NPI number?
- 1275574691. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Robert I. Picker is enrolled with Medicare (CMS data updated 2026-10-02).
- 1399 Ygnacio Valley Rd, Suite 25Walnut Creek, CA 94598 (925) 945‑8440
- 3100 Oak Rd, Suite 270Walnut Creek, CA 94597 (925) 944‑9711
Group practices
Medicare enrollment lists Robert I. Picker as a member of this group (CMS data updated 2026-10-02).
- Comprehensive Psychiatric Services a Medical Group76 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Walnut Creek
Clinicians with the same Medicare primary specialty in Walnut Creek, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 1969 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1275574691 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians