CHRISTINA CHOU MD
NPI 1164749628
Internal Medicine - Gastroenterology in San Francisco, CA

Active since April 23, 2010PECOS EnrolledAccepts Medicare Assignment
91.04/100
CMS Quality Rating
1100 VAN NESS AVE FL 3, SAN FRANCISCO, CA 94109(415) 600-1000(415) 558-7051 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 7, 2023, Oct 18, 2019, Feb 8, 2019 (3 updates tracked since 2019).

About Christina Chou Md NPPES

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

CHRISTINA CHOU MD (NPI 1164749628) is an individual gastroenterology provider in San Francisco, California, licensed in California (1000579) and active in the NPI registry since April 2010. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University (2010).

NPPES Registry Identity

NPI1164749628
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameCHRISTINA CHOUCredential: MD
Location Address1100 VAN NESS AVE FL 3San Francisco, CA 94109
Mailing Address325 Distel CirLos Altos, CA 94022-1408 · (415) 600-1000 · Fax (415) 558-7051
Fax(415) 558-7051
Sole ProprietorNo
Medical School CMSClvlnd Clinic Lerner College Of Med Of Case Wstn Rsv UniversityGraduated 2010
Enumeration DateApril 23, 2010
Last NPPES UpdateMarch 7, 20233 updates tracked since enumeration
NPI 1164749628 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in CA · 1000579
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
1100 VAN NESS AVE FL 3, San Francisco, CA 94109

Secondary Practice Locations 2

Location 11411 East 31st Street, Highland Care Pavilion, 5th Floor Endoscopy Unit-GastroenterologyOakland, CA 94602 · Phone (510) 437-4935
Location 22340 Clay St Fl 3San Francisco, CA 94115-1932 · Phone (415) 600-1138 · Fax (415) 600-1122

Other Identifiers 1

OtherA121796CA · State License

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

Christina Chou Md 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 ID8527378645
PECOS Enrollment IDI20151102001799
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 9

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
77 services40 patients
Measurement of liver stiffness 91200
Measurement of liver stiffness is a non-invasive procedure that helps assess the health of your liver. It uses sound waves to detect the hardness of the liver tissue, which can indicate conditions like fibrosis or cirrhosis. It's a simple, painless test that provides valuable information about your liver's health.
50 services50 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
40 services39 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
19 services19 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
16 services16 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94109 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

91.04/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality82.13
Promoting Interoperability100
Improvement Activities40
Cost64.1

Other Providers at the Same Location NPPES 8

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

Physician Assistant
1100 VAN NESS AVE FL 3
SAN FRANCISCO, CA 94109
Internal Medicine (Advanced Heart Failure and Transplant Cardiology)
1100 VAN NESS AVE FL 3
SAN FRANCISCO, CA 94109
Nurse Practitioner (Family)
1100 VAN NESS AVE FL 3
SAN FRANCISCO, CA 94109
Internal Medicine (Transplant Hepatology)
1100 VAN NESS AVE FL 3
SAN FRANCISCO, CA 94109
Internal Medicine (Advanced Heart Failure and Transplant Cardiology)
1100 VAN NESS AVE FL 3
SAN FRANCISCO, CA 94109
Pharmacist
1100 VAN NESS AVE FL 3
SAN FRANCISCO, CA 94109
Nurse Practitioner (Family)
1100 VAN NESS AVE FL 3
SAN FRANCISCO, CA 94109
Transplant Surgery
1100 VAN NESS AVE FL 3
SAN FRANCISCO, CA 94109

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 Christina Chou's NPI number?

The NPI number for Christina Chou is 1164749628. It was assigned to this individual provider in the NPPES registry on April 23, 2010.

Where is Christina Chou located?

Christina Chou practices at 1100 Van Ness Ave Fl 3, San Francisco, CA 94109. The listed phone number is (415) 600-1000.

What is Christina Chou's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Christina Chou enrolled in Medicare?

Yes. Christina Chou 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 Christina Chou was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.