JOHN R CHAMBERLAIN M.D.
NPI 1114036480
Psychiatry & Neurology - Forensic Psychiatry in San Francisco, CA

Active since August 30, 2006PECOS EnrolledAccepts Medicare Assignment
74.46/100
CMS Quality Rating
401 PARNASSUS AVE, BOX ADM, SAN FRANCISCO, CA 94143(415) 476-7456(415) 502-2206 Get Directions Write a Review

NPPES record last updated: April 22, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About John R Chamberlain M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN R CHAMBERLAIN M.D. (NPI 1114036480) is an individual forensic psychiatry provider in San Francisco, California, licensed in California (A065086) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (1995).

NPPES Registry Identity

NPI1114036480
Entity TypeIndividualMale
Primary Taxonomy2084F0202X
Provider Legal NameJOHN R CHAMBERLAINCredential: M.D.
Location Address401 PARNASSUS AVE, BOX ADMSan Francisco, CA 94143-2211
Mailing Address401 Parnassus Ave, Box AdmSan Francisco, CA 94143-2211 · (415) 476-7456 · Fax (415) 502-2206
Fax(415) 502-2206
Sole ProprietorNo
Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 1995
Enumeration DateAugust 30, 2006
Last NPPES UpdateApril 22, 2008
NPI 1114036480 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychiatry & Neurology · Forensic PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084F0202X
License Licensed in CA · A065086
Definition
Forensic Psychiatry is a subspecialty with psychiatric focus on interrelationships with civil, criminal and administrative law, evaluation and specialized treatment of individuals involved with the legal system, incarcerated in jails, prisons, and forensic psychiatry hospitals.
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License A065086 (CA)
401 PARNASSUS AVE, San Francisco, CA 94143

Other Identifiers 1

Medicare PIN00A650860CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

John R Chamberlain M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID749364818
PECOS Enrollment IDI20080227000749
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
507 services159 patients
Psychotherapy with evaluation and management visit, 30 minutes 90833
Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.
107 services18 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

74.46/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability76
Improvement Activities40
Cost46.68

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychologist (Clinical)
401 PARNASSUS AVE, LP 488
SAN FRANCISCO, CA 94143
Social Worker (Clinical)
401 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Psychiatry & Neurology (Psychiatry)
401 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Psychiatric Hospital
401 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Clinical Neuropsychologist
401 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Psychiatry & Neurology (Psychiatry)
401 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Psychologist (Clinical)
401 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Psychologist
401 PARNASSUS AVE
SAN FRANCISCO, CA 94143

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Chamberlain's NPI number?

The NPI number for John Chamberlain is 1114036480. It was assigned to this individual provider in the NPPES registry on August 30, 2006.

Where is John Chamberlain located?

John Chamberlain practices at 401 Parnassus Ave Box Adm, San Francisco, CA 94143. The listed phone number is (415) 476-7456.

What is John Chamberlain's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Forensic Psychiatry, with taxonomy code 2084F0202X.

Is John Chamberlain enrolled in Medicare?

Yes. John Chamberlain is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for John Chamberlain was last updated on April 22, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.