Active NPI 1063946267 Individual Practitioner Male Practitioner

Dr. Christopher Choo , MD

Internal Medicine • Greenbrae, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Christopher Choo, MD is a certified Internal Medicine practicing in Greenbrae, CA. With approximately 9 years of clinical experience since graduating from University Of Minnesota Medical School in 2017, Dr. Choo delivers high-quality medical care to the local community at 250 BON AIR RD.

Dr. Choo maintains professional affiliations with County Of Santa Clara, Quantum Bay Area Hospitalist Medical Group Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include initial hospital care with moderate level of medical decision making, if using time, at least, initial hospital care with straightforward or low-level medical decision making, if using time, at least, subsequent hospital care with moderate levelof medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

250 Bon Air Rd

Greenbrae, CA 949041702

Telephone 4159257545

Fax 4159257008

Associated Practice Facility / Clinic

🏢 Marin Community Clinic Facility NPI 1124021738

Medicare Profile & Education

Medical School

University Of Minnesota Medical School

Graduation Year

2017

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Greenbrae, CA

Experienced Practitioner (5-10 Yrs)

Practitioner Clinical Experience

9 Yrs -17.7 yrs vs City Avg

City Avg: 26.7 Yrs

State Avg: 26.6 Yrs

Regional Practice Density

27 Specialists

Practicing in Greenbrae, CA (18502 Statewide)

Telehealth Adoption Rate

18.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

77.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Choo (9 Years) 9 Yrs

Greenbrae Specialty Average (26.7 Years) 26.7 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	292	283	$854.24	$193.81
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	17	17	$621.94	$145.35

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	398	388	$810.23	$196.05
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	27	27	$605.48	$146.43
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	23	12	$853.74	$134.43

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	318	300	$688.14	$220.48
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	229	93	$360.21	$114.03
99220 Hospital observation care, typically 70 minutes	139	134	$622.96	$198.25
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	80	43	$287.50	$79.25
99239 Hospital discharge day management, more than 30 minutes	50	49	$419.24	$119.05
99219 Hospital observation care, typically 50 minutes	35	35	$458.00	$143.48
99221 Initial hospital inpatient care per day, typically 30 minutes	34	34	$357.71	$111.34
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	31	31	$462.45	$149.76
99238 Hospital discharge day management, 30 minutes or less	13	13	$250.00	$81.53

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	333	311	$682.00	$222.37
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	134	131	$462.00	$150.06
99220 Hospital observation care, typically 70 minutes	56	55	$622.00	$201.48
99219 Hospital observation care, typically 50 minutes	51	51	$458.00	$148.71
99291 Critical care, first 30-74 minutes	27	25	$962.00	$240.34
99221 Initial hospital inpatient care per day, typically 30 minutes	18	18	$340.00	$110.95
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	17	17	$352.00	$114.71

Medical Specialties & State Licenses

CMS Verified: 2021-01-11

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CA A170142

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Student in an Organized Health Care Education/Training Program

NUCC Taxonomy Code: 390200000X

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

Hospital & Practice Group Affiliations

Quantum Bay Area Hospitalist Medical Group Inc

225 N Jackson Ave, San Jose, CA 951161603

Phone: 4082595000

County Of Santa Clara

751 S Bascom Ave, San Jose, CA 951282604

Phone: 4088855000

County Of Santa Clara

751 S Bascom Ave, San Jose, CA 951282604

Phone: 4088855000

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

8 Associated Practitioners

Dr. Kerry Davidson , MD

Internal Medicine

NPI 1063430106

Doctor of Medicine (M.D.)

Dr. Janeen Smith , MD

Internal Medicine

NPI 1124047451

Doctor of Medicine (M.D.)

Dr. Michael Nejad , MD

Internal Medicine

NPI 1235163569

Doctor of Medicine (M.D.)

Dr. Hima Satyavolu , MD

Internal Medicine

NPI 1306037601

Doctor of Medicine (M.D.)

Dr. Susan Cumming , MD

Internal Medicine

NPI 1548285075

Doctor of Medicine (M.D.)

Dr. Michelle Bourke , MD

Internal Medicine

NPI 1750533881

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

11 Historical Events

📍

Updated Practice Location January 11, 2021

Registered at 250 BON AIR RD, GREENBRAE, CA 949041702 (Tel: 4159257545)

📍

Updated Business Mailing Address January 11, 2021

Registered at 250 BON AIR RD, GREENBRAE, CA 949041702 (Tel: 4159257545)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 11, 2021

Student in an Organized Health Care Education/Training Program

👤

Provider Name / Credentials Updated October 14, 2020

Recorded as CHRISTOPHER CHOO, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 14, 2020

Internal Medicine (License #A170142 in CA)

✅

NPI Profile Active April 13, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location April 13, 2017

Registered at 420 DELAWARE ST SE, MMC 284, MINNEAPOLIS, MN 554550341 (Tel: 6126265454)

📍

Updated Business Mailing Address April 13, 2017

Registered at 420 DELAWARE ST SE, MMC 284, MINNEAPOLIS, MN 554550341 (Tel: 6126265454)

👤

Provider Name / Credentials Updated April 13, 2017

Recorded as CHRISTOPHER CHOO

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 13, 2017

Student in an Organized Health Care Education/Training Program

🟢

Initial NPI Registration & Enumeration April 13, 2017

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1063946267

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: April 13, 2017

Last Update: January 11, 2021

Sole Proprietor: No

Update or Correct Profile

Mailing Address

250 Bon Air Rd

Greenbrae, CA 949041702

Phone: 4159257545

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.