Physician Profile
Unclaimed ProfileAbout PICKER
Based in Walnut Creek, CA, Robert I. Picker, M.D. is listed in the NPI registry under psychiatry. Robert graduated from Northwestern University Feinberg Medical School in 1969.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. Picker?
Dr. Picker is a psychiatry in Walnut Creek, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PSYCHIATRY”.
NPI registry
What is Dr. Picker's address?
Dr. Picker is listed at 1399 YGNACIO VALLEY RD SUITE 25, Walnut Creek, CA 94598. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Picker?
The number on file is (925) 945-8440. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Picker?
Dr. Picker's National Provider Identifier is 1275574691. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Picker train?
Dr. Picker attended Northwestern University Feinberg Medical School, graduating in 1969. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Picker have?
Dr. Picker has 57 years experience. Calculated from a graduation year of 1969, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Picker perform?
According to Medicare billing data, Dr. Picker provides treatments such as psychotherapy with evaluation and management visit, 30 minutes and psychotherapy, 45 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Picker's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Picker. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (925) 945-8440
- Email not available
Practice Locations
1399 YGNACIO VALLEY RD SUITE 25
Walnut Creek, CA 94598
Procedures Most Often Billed to Medicare
512 services · 103 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Psychotherapy with evaluation and management visit, 30 minutes | Treatment | 90833 |
125 |
| Psychotherapy, 45 minutes | Treatment | 90834 |
74 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
211 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
102 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other psychiatry specialists in Walnut Creek 8
Same specialty, same city.
More connections — 19 related providers in 3 groups
Trained at Northwestern University Feinberg Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1969 at Northwestern University Feinberg Medical School 3
Providers who graduated from the same medical school in the same year.
Also performs Psychotherapy with evaluation and management visit, 30 minutes 8
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.