DR. KATHERINE T HSIAO MD
NPI 1437237674
Obstetrics & Gynecology - Gynecology in San Francisco, CA

Q: What is Katherine Hsiao's NPI number?

The NPI number for Katherine Hsiao is 1437237674. It was assigned to this individual provider in the NPPES registry on November 2, 2006. The provider is also known as Dr. Katherine T Hsiao MD.

Q: What is Katherine Hsiao's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecology, with taxonomy code 207VG0400X.

Q: When was this NPI record last updated?

The NPPES record for Katherine Hsiao was last updated on March 3, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since November 02, 2006PECOS EnrolledAccepts Medicare Assignment

1100 VAN NESS AVE FL 4, SAN FRANCISCO, CA 94109(415) 750-7050(715) 369-1389 Get Directions Write a Review

NPPES record last updated: March 3, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 3, 2026, Mar 7, 2023, Mar 3, 2022 and 1 more (4 updates tracked since 2019).

On this page

About Dr. Katherine T Hsiao Md NPPES

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

DR. KATHERINE T HSIAO MD (NPI 1437237674) is an individual gynecology provider in San Francisco, California, licensed in California (A51088) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS and is a graduate of State University Of New York At Buffalo School Of Medicine (1990).

NPPES Registry Identity

NPI1437237674

Entity TypeIndividualFemale

Primary Taxonomy207VG0400X

Provider Legal NameDR. KATHERINE T HSIAOCredential: MD

Location Address1100 VAN NESS AVE FL 4San Francisco, CA 94109-6920

Mailing Address325 Distel CirLos Altos, CA 94022-1408 · (415) 750-7050

Phone(415) 750-7050

Fax(715) 369-1389

Sole ProprietorYes

Medical School CMSState University Of New York At Buffalo School Of MedicineGraduated 1990

Enumeration DateNovember 2, 2006

Last NPPES UpdateMarch 3, 20264 updates tracked since enumeration

NPPES CertifiedMarch 3, 2026

✔ NPI 1437237674 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207VG0400X

License✔ Licensed in CA · A51088

Definition

A physician who specializes in diagnosis, treatment, and management of patients with gynecologic conditions. Source: National Uniform Claim Committee

1100 VAN NESS AVE FL 4, San Francisco, CA 94109

Open in Google Maps ↗

Other Names 1

Professional Name (2)Dr. Katherine T Hsiao Md

Other Identifiers 1

OtherA51088CA · Medical Board Of California

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

Dr. Katherine T Hsiao 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 ID2769644632

PECOS Enrollment IDI20120510000507

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 4

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.

37 services30 patients

Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101

This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.

30 services30 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

21 services19 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.

14 services14 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

$84.91 typical visit price

range $23.44 – $166.46

Typical copayment $21.22 (range $5.86 – $41.61)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Leave this field empty

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.

EVA GABOR-FOURCADE CGC

Genetic Counselor, MS