LYNN DUONG BUI MD
NPI 1265448419
Emergency Medicine in San Francisco, CA

Active since July 31, 2006PECOS EnrolledAccepts Medicare Assignment
1001 POTRERO AVE, RM 1E21, SAN FRANCISCO, CA 94110(415) 206-5753(415) 206-5818 Get Directions Write a Review

NPPES record last updated: December 6, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Lynn Duong Bui Md NPPES

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

LYNN DUONG BUI MD (NPI 1265448419) is an individual emergency medicine provider in San Francisco, California, licensed in California (A55757) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of University Of California, Irvine, California College Of Medicine (1994).

NPPES Registry Identity

NPI1265448419
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameLYNN DUONG BUICredential: MD
Location Address1001 POTRERO AVE, RM 1E21San Francisco, CA 94110-3518
Mailing AddressPo Box 7464San Francisco, CA 94120-7464 · (415) 206-3103 · Fax (415) 206-3872
Fax(415) 206-5818
Sole ProprietorNo
Medical School CMSUniversity Of California, Irvine, California College Of MedicineGraduated 1994
Enumeration DateJuly 31, 2006
Last NPPES UpdateDecember 6, 2021
NPI 1265448419 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in CA · A55757
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedEmergency Medicine · Medical ToxicologyTaxonomy 207PT0002X · License A55757 (CA)
1001 POTRERO AVE, San Francisco, CA 94110

Other Identifiers 2

Other930100759CA · Railroad Medicare
MedicaidOOA557570CA

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

Lynn Duong Bui 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 ID6002989258
PECOS Enrollment IDI20080721000654
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 2

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
12 services12 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94110 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
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 20

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

Registered Nurse
1001 POTRERO AVE, ZSFG BUILDING 90 4TH FLOOR
SAN FRANCISCO, CA 94110
Student in an Organized Health Care Education/Training Program
1001 POTRERO AVE, BLDG 10, 3RD FLOOR, WARD 13 BOX 1364
SAN FRANCISCO, CA 94110
Student in an Organized Health Care Education/Training Program
1001 POTRERO AVE
SAN FRANCISCO, CA 94110
Case Manager/Care Coordinator
1001 POTRERO AVE
SAN FRANCISCO, CA 94110
Counselor
1001 POTRERO AVE
SAN FRANCISCO, CA 94110
Nurse Practitioner (Family)
1001 POTRERO AVE
SAN FRANCISCO, CA 94110
Clinical Medical Laboratory
1001 POTRERO AVE, BLDG 100, RM 104
SAN FRANCISCO, CA 94110
Internal Medicine
1001 POTRERO AVE, 1M
SAN FRANCISCO, CA 94110

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 Lynn Bui's NPI number?

The NPI number for Lynn Bui is 1265448419. It was assigned to this individual provider in the NPPES registry on July 31, 2006.

Where is Lynn Bui located?

Lynn Bui practices at 1001 Potrero Ave Rm 1e21, San Francisco, CA 94110. The listed phone number is (415) 206-5753.

What is Lynn Bui's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Lynn Bui enrolled in Medicare?

Yes. Lynn Bui 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 Lynn Bui was last updated on December 6, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.