RUTH SIEW M.D.
NPI 1255674479
Pediatrics - Pediatric Pulmonology in San Francisco, CA

Active since April 05, 2013PECOS EnrolledAccepts Medicare Assignment
1825 4TH ST FL 6, SAN FRANCISCO, CA 94143(415) 353-7337 Get Directions Write a Review

NPPES record last updated: July 8, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 8, 2022, Nov 8, 2016 (2 updates tracked since 2016).

About Ruth Siew M.d. NPPES

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

RUTH SIEW M.D. (NPI 1255674479) is an individual pediatric pulmonology provider in San Francisco, California, licensed in California (A132946) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS and is a graduate of University Of Washington School Of Medicine (2016).

NPPES Registry Identity

NPI1255674479
Entity TypeIndividualFemale
Primary Taxonomy2080P0214X
Provider Legal NameRUTH SIEWCredential: M.D.
Location Address1825 4TH ST FL 6San Francisco, CA 94143-2350
Mailing Address1825 4th St Fl 6San Francisco, CA 94143-2350 · (415) 353-7337
Sole ProprietorNo
Medical School CMSUniversity Of Washington School Of MedicineGraduated 2016
Enumeration DateApril 5, 2013
Last NPPES UpdateJuly 8, 20222 updates tracked since enumeration
NPPES CertifiedJuly 8, 2022
NPI 1255674479 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPediatrics · Pediatric PulmonologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0214X
License Licensed in CA · A132946
Definition

A pediatrician dedicated to the prevention and treatment of all respiratory diseases affecting infants, children and young adults. This specialist is knowledgeable about the growth and development of the lung, assessment of respiratory function in infants and children, and experienced in a variety of invasive and noninvasive diagnostic techniques.

Also ListedPediatricsTaxonomy 208000000X · License A132946 (CA)
1825 4TH ST FL 6, San Francisco, CA 94143

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

Ruth Siew 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 ID9830429216
PECOS Enrollment IDI20190927000640
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.

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.

Physician Assistant (Surgical)
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
Medical Genetics (Clinical Genetics (M.D.))
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
Medical Genetics (Clinical Genetics (M.D.))
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
Obstetrics & Gynecology (Gynecologic Oncology)
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
Pediatrics
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
Pediatrics (Pediatric Endocrinology)
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
Medical Genetics (Clinical Genetics (M.D.))
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
Dietitian, Registered (Nutrition, Pediatric)
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143

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 Ruth Siew's NPI number?

The NPI number for Ruth Siew is 1255674479. It was assigned to this individual provider in the NPPES registry on April 5, 2013.

Where is Ruth Siew located?

Ruth Siew practices at 1825 4th St Fl 6, San Francisco, CA 94143. The listed phone number is (415) 353-7337.

What is Ruth Siew's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Pulmonology, with taxonomy code 2080P0214X.

Is Ruth Siew enrolled in Medicare?

Yes. Ruth Siew 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 Ruth Siew was last updated on July 8, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.