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YEN N QUANG M.D.
NPI 1326228487
Internal Medicine - Gastroenterology in San Francisco, CA

Active since November 06, 2007PECOS EnrolledAccepts Medicare Assignment
1199 BUSH ST STE 560, SAN FRANCISCO, CA 94109(415) 885-8080 Get Directions Write a Review

NPPES record last updated: June 11, 2018. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Yen N Quang M.d. NPPES

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

YEN N QUANG M.D. (NPI 1326228487) is an individual gastroenterology provider in San Francisco, California, licensed in California (A101985) and active in the NPI registry since November 2007. She is enrolled in Medicare PECOS and is a graduate of Saint Louis University School Of Medicine (2006).

NPPES Registry Identity

NPI1326228487
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameYEN N QUANGCredential: M.D.
Location Address1199 BUSH ST STE 560San Francisco, CA 94109
Mailing Address1199 Bush St Ste 560San Francisco, CA 94109-5976 · (415) 885-8080
Phone(415) 885-8080
Sole ProprietorYes
Medical School CMSSaint Louis University School Of MedicineGraduated 2006
Enumeration DateNovember 6, 2007
Last NPPES UpdateJune 11, 2018
✔ NPI 1326228487 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 · A101985
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.

1199 BUSH ST STE 560, San Francisco, CA 94109
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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

Yen N Quang M.d. 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 ID840330460
PECOS Enrollment IDI20131115001692
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.
104 services65 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.
66 services50 patients
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500
Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.
63 services60 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.
44 services44 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.
32 services32 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.
22 services22 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.

Other Providers at the Same Location NPPES

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

QUANG MEDICAL PRACTICE, INC.
Clinic/Center
1199 BUSH ST STE 560
SAN FRANCISCO, CA 94109
San Francisco County (415) 885-8080

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 Yen Quang's NPI number?

The NPI number for Yen Quang is 1326228487. It was assigned to this individual provider in the NPPES registry on November 6, 2007.

Where is Yen Quang located?

Yen Quang practices at 1199 Bush St Ste 560, San Francisco, CA 94109. The listed phone number is (415) 885-8080.

What is Yen Quang's specialty?

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

Is Yen Quang enrolled in Medicare?

Yes. Yen Quang 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 Yen Quang was last updated on June 11, 2018. NPI Profile syncs with the weekly NPPES data releases published by CMS.