JOHN WANG
NPI 1518429869
Internal Medicine - Gastroenterology in San Francisco, CA

Active since April 04, 2019PECOS EnrolledAccepts Medicare Assignment
2100 WEBSTER ST STE 115, SAN FRANCISCO, CA 94115(415) 387-8800(415) 387-5204 Get Directions Write a Review

NPPES record last updated: October 1, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 7, 2025, Apr 4, 2019 (2 updates tracked since 2019).

About John Wang NPPES

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

JOHN WANG (NPI 1518429869) is an individual gastroenterology provider in San Francisco, California, licensed in California (A179087) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS and is a graduate of University Of Texas Southwestern Medical School At Dallas (2019).

NPPES Registry Identity

NPI1518429869
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameJOHN WANG
Location Address2100 WEBSTER ST STE 115San Francisco, CA 94115-2374
Mailing Address2100 Webster St Ste 115San Francisco, CA 94115-2374 · (415) 387-8800 · Fax (415) 387-5204
Fax(415) 387-5204
Sole ProprietorYes
Medical School CMSUniversity Of Texas Southwestern Medical School At DallasGraduated 2019
Enumeration DateApril 4, 2019
Last NPPES UpdateOctober 1, 20252 updates tracked since enumeration
NPPES CertifiedOctober 1, 2025
NPI 1518429869 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 · A179087
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.
2100 WEBSTER ST STE 115, San Francisco, CA 94115

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

John Wang 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 ID345756664
PECOS Enrollment IDI20250723000469
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.

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.

Other Providers at the Same Location NPPES 9

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

Psychiatry & Neurology (Neurology)
2100 WEBSTER ST STE 115
SAN FRANCISCO, CA 94115
Internal Medicine (Gastroenterology)
2100 WEBSTER ST STE 115
SAN FRANCISCO, CA 94115
Internal Medicine (Gastroenterology)
2100 WEBSTER ST STE 115
SAN FRANCISCO, CA 94115
Internal Medicine (Gastroenterology)
2100 WEBSTER ST STE 115
SAN FRANCISCO, CA 94115
Psychiatry & Neurology (Neurology)
2100 WEBSTER ST STE 115
SAN FRANCISCO, CA 94115
Internal Medicine (Gastroenterology)
2100 WEBSTER ST STE 115
SAN FRANCISCO, CA 94115
Internal Medicine (Gastroenterology)
2100 WEBSTER ST STE 115
SAN FRANCISCO, CA 94115
Internal Medicine (Gastroenterology)
2100 WEBSTER ST STE 115
SAN FRANCISCO, CA 94115

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 John Wang's NPI number?

The NPI number for John Wang is 1518429869. It was assigned to this individual provider in the NPPES registry on April 4, 2019.

Where is John Wang located?

John Wang practices at 2100 Webster St Ste 115, San Francisco, CA 94115. The listed phone number is (415) 387-8800.

What is John Wang's specialty?

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

Is John Wang enrolled in Medicare?

Yes. John Wang 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 John Wang was last updated on October 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.