CYNTHIA W. LEUNG MD
NPI 1861570434
Internal Medicine - Gastroenterology in Redwood City, CA

Active since November 01, 2006PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
2900 WHIPPLE AVE, SUITE 245, REDWOOD CITY, CA 94062(650) 365-3700(650) 368-3836 Get Directions Write a Review

NPPES record last updated: September 13, 2011. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Cynthia W. Leung Md NPPES

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

CYNTHIA W. LEUNG MD (NPI 1861570434) is an individual gastroenterology provider in Redwood City, California, licensed in California (A84052) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS and is a graduate of Stanford University School Of Medicine (2002).

NPPES Registry Identity

NPI1861570434
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameCYNTHIA W. LEUNGCredential: MD
Location Address2900 WHIPPLE AVE, SUITE 245Redwood City, CA 94062-2843
Mailing Address2900 Whipple Ave, Suite 245Redwood City, CA 94062-2843 · (650) 365-3700 · Fax (650) 368-3836
Fax(650) 368-3836
Sole ProprietorNo
Medical School CMSStanford University School Of MedicineGraduated 2002
Enumeration DateNovember 1, 2006
Last NPPES UpdateSeptember 13, 2011
NPI 1861570434 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 · A84052
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 ListedEmergency MedicineTaxonomy 207P00000X · License A84052 (CA)
2900 WHIPPLE AVE, Redwood City, CA 94062

Other Identifiers 2

Medicare ID-Type Unspecified00A840520
Medicare UPINI72378CA

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

Cynthia W. Leung 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 ID4486751823
PECOS Enrollment IDI20070521000283
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 8

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.
83 services63 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.
57 services57 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 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.
44 services41 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
43 services43 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.
39 services37 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.
29 services29 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94062 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.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Improvement Activities40

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.

Specialist
2900 WHIPPLE AVE, STE 115
REDWOOD CITY, CA 94062
Internal Medicine
2900 WHIPPLE AVE, SUITE 130
REDWOOD CITY, CA 94062
Surgery (Vascular Surgery)
2900 WHIPPLE AVE, SUITE 225
REDWOOD CITY, CA 94062
Nurse Practitioner
2900 WHIPPLE AVE, SUITE 245
REDWOOD CITY, CA 94062
Internal Medicine (Gastroenterology)
2900 WHIPPLE AVE, STE 245
REDWOOD CITY, CA 94062
Physician Assistant (Medical)
2900 WHIPPLE AVE, SUITE 210
REDWOOD CITY, CA 94062
Internal Medicine
2900 WHIPPLE AVE, SUITE 130
REDWOOD CITY, CA 94062
Internal Medicine (Critical Care Medicine)
2900 WHIPPLE AVE, STE 115
REDWOOD CITY, CA 94062

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 Cynthia Leung's NPI number?

The NPI number for Cynthia Leung is 1861570434. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Where is Cynthia Leung located?

Cynthia Leung practices at 2900 Whipple Ave Suite 245, Redwood City, CA 94062. The listed phone number is (650) 365-3700.

What is Cynthia Leung's specialty?

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

Is Cynthia Leung enrolled in Medicare?

Yes. Cynthia Leung 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 Cynthia Leung was last updated on September 13, 2011. NPI Profile syncs with the weekly NPPES data releases published by CMS.