ANNETTE Y. KWON MD
NPI 1417009630
Internal Medicine - Gastroenterology in San Francisco, CA

Active since January 17, 2007PECOS EnrolledAccepts Medicare Assignment
87.87/100
CMS Quality Rating
2100 WEBSTER ST, SUITE 423, SAN FRANCISCO, CA 94115(415) 923-3050(415) 563-4867 Get Directions Write a Review

NPPES record last updated: July 20, 2010. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Annette Y. Kwon Md NPPES

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

ANNETTE Y. KWON MD (NPI 1417009630) is an individual gastroenterology provider in San Francisco, California, licensed in California (A90599) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of Johns Hopkins University School Of Medicine (2002).

NPPES Registry Identity

NPI1417009630
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameANNETTE Y. KWONCredential: MD
Location Address2100 WEBSTER ST, SUITE 423San Francisco, CA 94115-2373
Mailing Address2100 Webster St, Suite 423San Francisco, CA 94115-2373 · (415) 923-3050 · Fax (415) 563-4867
Fax(415) 563-4867
Sole ProprietorNo
Medical School CMSJohns Hopkins University School Of MedicineGraduated 2002
Enumeration DateJanuary 17, 2007
Last NPPES UpdateJuly 20, 2010
NPI 1417009630 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in CA · A90599
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.

Also ListedHospitalistTaxonomy 208M00000X · License A90599 (CA)
2100 WEBSTER ST, San Francisco, CA 94115

Other Identifiers 3

Medicare UPINI47398
Medicaid00A905990CA
Medicare ID-Type Unspecified00A905990

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

Annette Y. Kwon 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 ID547282816
PECOS Enrollment IDI20051229000791
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 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

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.
186 services185 patients
Established patient office or other outpatient visit, 20-29 minutes 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
175 services130 patients
Established patient office or other outpatient visit, 30-39 minutes 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.
152 services102 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.
106 services104 patients
New patient office or other outpatient visit, 30-44 minutes 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
99 services99 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.
58 services58 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94115 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.

87.87/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality59.58
Promoting Interoperability100
Improvement Activities40
Cost100

MIPS Quality Measures

The following performance measures were reported under the Merit-Based Incentive Payment System (MIPS) and Qualified Clinical Data Registry (QCDR) quality measures program.

Quality Measure Performance Number of Patients
Breast Cancer Screening 80% 386
Colorectal Cancer Screening 85% 560
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan 18% 953
Provide Patients Electronic Access to Their Health Information 100% 287
Statin Therapy for the Prevention and Treatment of Cardiovascular Disease 45% 381

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.

Podiatrist
2100 WEBSTER ST, STE 202
SAN FRANCISCO, CA 94115
Ophthalmology
2100 WEBSTER ST, SUITE 214
SAN FRANCISCO, CA 94115
Ophthalmology
2100 WEBSTER ST, SUITE 214
SAN FRANCISCO, CA 94115
Ophthalmology
2100 WEBSTER ST, SUITE 214
SAN FRANCISCO, CA 94115
Ophthalmology
2100 WEBSTER ST, SUITE 214
SAN FRANCISCO, CA 94115
Ophthalmology
2100 WEBSTER ST, SUITE 214
SAN FRANCISCO, CA 94115
Ophthalmology
2100 WEBSTER ST, SUITE 214
SAN FRANCISCO, CA 94115
Ophthalmology
2100 WEBSTER ST, SUITE 214
SAN FRANCISCO, CA 94115

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1417009630, enumerated as an "individual" on January 17, 2007.

The provider is located at 2100 WEBSTER ST SUITE 423 SAN FRANCISCO, CA 94115 and the phone number is (415) 923-3050.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.