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Edit this profileAt a glance
- 401 Parnassus Ave, Box Adm, San Francisco, CA 94143
About Dr. Chamberlain
John R. Chamberlain, M.D. is a healthcare provider in San Francisco, CA specializing in psychiatry. John trained at University of California, San Diego School of Medicine, graduating in 1995. John is also listed as specializing in neurology / psychiatry. According to Medicare claims data, John cared for 177 Medicare patients across 614 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more and psychotherapy with evaluation and management visit, 30 minutes. This provider record is associated with NPI 1114036480.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (415) 476-7456
- Email not available
Practice Locations
401 PARNASSUS AVE BOX ADM
San Francisco, CA 94143
Conditions Commonly Evaluated or Treated
Within Psychiatry generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Anxiety, trauma, and obsessive-compulsive
Mood disorders
Psychotic disorders
Substance-related and addictive
Addiction & Substance Use
Cognitive and adjustment
Eating Disorders
Eating, sleep, and somatic
Mood & Depression
Neurodevelopmental and behavioral
Personality and dissociative
Sleep & Wakefulness
Procedures & services
Most searched procedures
- Anxiety and depression treatment
- Cognitive behavioral therapy
- Medication management
- Psychiatric evaluation
- Telepsychiatry
Assessment
Addiction care
Addiction Medicine
Assessments
Brain stimulation
Consultations
Diagnostics
Inpatient care
Interventional psychiatry
Psychotherapy
Sleep Medicine
Specialized care
Therapy
Therapy and care
Procedures Most Often Billed to Medicare
614 services · 177 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy with evaluation and management visit, 30 minutes | Treatment | 90833 |
107 | More often than most peers in Psychiatry |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
507 | More than most peers in Psychiatry |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other psychiatrists at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
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.
More connections — 31 related providers in 4 groups
Other psychiatrists in San Francisco 7
Same specialty, same city.
Trained at University of California, San Diego School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1995 at University of California, San Diego School of Medicine 8
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.
Common questions
What does John R. Chamberlain specialize in?
John R. Chamberlain is a psychiatrist in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.
NPI registry
Where is John R. Chamberlain located?
John R. Chamberlain is listed at 401 Parnassus Ave Box Adm, San Francisco, CA 94143. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is John R. Chamberlain's phone number?
The number on file is (415) 476-7456. Contact the office directly to confirm availability and scheduling.
NPI registry
What is John R. Chamberlain's NPI number?
John R. Chamberlain's National Provider Identifier is 1114036480. 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 John R. Chamberlain train?
John R. Chamberlain attended University of California, San Diego School of Medicine, graduating in 1995. This comes from the CMS National Downloadable File.
CMS public data
How long has John R. Chamberlain been practicing?
John R. Chamberlain has 31 years experience. Calculated from a graduation year of 1995, reported in the CMS National Downloadable File.
CMS public data
What does John R. Chamberlain do most often?
According to Medicare billing data, John R. Chamberlain provides treatments such as psychotherapy with evaluation and management visit, 30 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has John R. Chamberlain confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by John R. Chamberlain. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.