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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: August 16, 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
Phone(415) 923-3050
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
Open in Google Maps ↗

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 10

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.
207 services157 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.
154 services154 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.
117 services113 patients
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121
Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.
79 services79 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.
62 services62 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 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.
54 services54 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

Reported Quality Measures

Breast Cancer Screening
80%386 patients4/55-star benchmark: 100%
Colorectal Cancer Screening
85%560 patients4/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
18%953 patients1/55-star benchmark: 100%
Provide Patients Electronic Access to Their Health Information
100%287 patients5/55-star benchmark: 100%
Statin Therapy for the Prevention and Treatment of Cardiovascular Disease
45%381 patients1/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

JACK C ROSE
Psychiatry & Neurology (Neurology)
2100 WEBSTER ST, 4TH FLOOR
SAN FRANCISCO, CA 94115
San Francisco County (415) 600-5760
RUSSELL D WOO M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
2100 WEBSTER ST
SAN FRANCISCO, CA 94115
San Francisco County (415) 923-3004
DR. STAFFORD J DUHN DDS
Dentist (General Practice)
2100 WEBSTER ST, SUITE 325
SAN FRANCISCO, CA 94115
San Francisco County (415) 923-3034
DR. RICKI POLLYCOVE M.D., M.H.S.
Obstetrics & Gynecology (Gynecology)
2100 WEBSTER ST, STE. 508
SAN FRANCISCO, CA 94115
San Francisco County (415) 923-3390
OLGA HIDCHENKO NP
Clinical Nurse Specialist (Women's Health)
2100 WEBSTER ST, SUITE 319
SAN FRANCISCO, CA 94115
San Francisco County (415) 923-3123
DR. DAVID R MINOR MD
Internal Medicine (Medical Oncology)
2100 WEBSTER ST, #326
SAN FRANCISCO, CA 94115
San Francisco County (415) 885-8600
DR. PEDRO JOSE RUIZ M.D., PH.D.
Internal Medicine (Rheumatology)
2100 WEBSTER ST, SUITE 112
SAN FRANCISCO, CA 94115
San Francisco County (415) 923-3060
JONATHAN KAPLAN MD INC
Plastic Surgery
2100 WEBSTER ST, SUITE 429
SAN FRANCISCO, CA 94115
San Francisco County (415) 923-3005

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 Annette Kwon's NPI number?

The NPI number for Annette Kwon is 1417009630. It was assigned to this individual provider in the NPPES registry on January 17, 2007.

Where is Annette Kwon located?

Annette Kwon practices at 2100 Webster St Suite 423, San Francisco, CA 94115. The listed phone number is (415) 923-3050.

What is Annette Kwon's specialty?

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

Is Annette Kwon enrolled in Medicare?

Yes. Annette Kwon 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 Annette Kwon was last updated on July 20, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.