Christopher Choo, MD
Internal Medicine Physician · Greenbrae, CA
Christopher Choo, MD is an internal medicine physician with a practice address in Greenbrae, California, and NPI 1063946267, issued on Apr 13, 2017. Check the license (California A170142, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Christopher Choo
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A170142 CA
Self-reported in NPPES; status is on the state search - Practice location
- 250 Bon Air RD, Greenbrae, CA 94904
- Phone
- (415) 925-7545
- Enumerated
- Apr 13, 2017
- Record last updated
- Jan 11, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (415) 925-7008
- Medicare enrollment
- Enrolled (PECOS I20210201001322); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 2017
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 250 Bon Air RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lisa Abrahams, MFTMarriage & Family Therapist1184738445
- Jory Adam, PA-CSurgical Physician Assistant1922269521
- Samuel Adams, MDHospitalist Physician1497785034
- Barbara Addleman, RNRegistered Nurse1053551267
- Linda Alexander, RNPsychiatric/Mental Health Registered Nurse1205589405
- Maxwell AlikinneyCounselor1538668728
Verify Christopher Choo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A170142Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 80.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- County OF Santa ClaraSan Jose, CA
- Quantum Bay Area Hospitalist Medical Group IncSan Jose, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher Choo among 17,696 internal medicine physician records in California
Christopher Choo, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 81% of them.
- NPI issued2017 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2017 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 internal medicine physician records list a practice address in Greenbrae
They are 25 of the 727 NPPES records with a practice address in Greenbrae, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Greenbrae → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Fariba Amiri, M.D.Greenbrae, CA 949041851340194
- David Berman, M.D.Greenbrae, CA 949041548245921
- Thato Brumwell, M.D.Greenbrae, CA 949041750311494
- Aida Calvillo, MDGreenbrae, CA 949041225031727
- Catharine Clark-Sayles, M.D.Greenbrae, CA 949041518952860
- Susan Cumming, M.D.Greenbrae, CA 949041548285075
- Anne Cummings, M.D.Greenbrae, CA 949041619917028
- Kerry Davidson, M.D.Greenbrae, CA 949041063430106
Common questions
What is Christopher Choo, MD's NPI number?
Christopher Choo, MD's National Provider Identifier (NPI) is 1063946267, issued on Apr 13, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Choo, MD located?
The NPPES record lists a practice address at 250 Bon Air RD, Greenbrae, CA, 94904. Phone: (415) 925-7545. Providers update this record themselves, so call before visiting.
How can I verify Christopher Choo, MD's license?
NPPES lists California license number A170142, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Christopher Choo, MD's MIPS final score?
The 2023 MIPS final score is 80.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.