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ROBERT WENCHEN HSIEH MD
NPI 1164714853
Internal Medicine - Medical Oncology in Stanford, CA

Active since May 12, 2011PECOS EnrolledAccepts Medicare Assignment
76.5/100
CMS Quality Rating
875 BLAKE WILBUR DR STE 1205A, STANFORD, CA 94305(650) 498-6000 Get Directions Write a Review

NPPES record last updated: May 7, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 7, 2024, Mar 3, 2023 (2 updates tracked since 2023).

About Robert Wenchen Hsieh Md NPPES

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

ROBERT WENCHEN HSIEH MD (NPI 1164714853) is an individual medical oncology provider in Stanford, California, licensed in California (A114705) and active in the NPI registry since May 2011. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2009).

NPPES Registry Identity

NPI1164714853
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NameROBERT WENCHEN HSIEHCredential: MD
Location Address875 BLAKE WILBUR DR STE 1205AStanford, CA 94305-2200
Mailing Address875 Blake Wilbur Dr Ste 1205aStanford, CA 94305-2200 · (650) 498-6000
Phone(650) 498-6000
Sole ProprietorNo
Medical School CMSOtherGraduated 2009
Enumeration DateMay 12, 2011
Last NPPES UpdateMay 7, 20242 updates tracked since enumeration
NPPES CertifiedApril 26, 2024
✔ NPI 1164714853 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License✔ Licensed in CA · A114705
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
Also ListedInternal MedicineTaxonomy 207R00000X · License A114705 (CA)
875 BLAKE WILBUR DR STE 1205A, Stanford, CA 94305
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1300 Pasteur Drive, Grant S101Stanford, CA 94305-5109 · Phone (650) 498-4559
Location 2300 Pasteur DrStanford, CA 94305-2200 · Phone (650) 723-4000

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

Robert Wenchen Hsieh 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 ID5698054187
PECOS Enrollment IDI20161128002595
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 94305 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
$206.04 typical visit price
range $70.37 – $206.04
Typical copayment $51.51 (range $17.59 – $51.51)
Most-billed visit code 99205
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

76.5/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality74.31
Promoting Interoperability100
Improvement Activities40
Cost43.95

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 Robert Hsieh's NPI number?

The NPI number for Robert Hsieh is 1164714853. It was assigned to this individual provider in the NPPES registry on May 12, 2011.

Where is Robert Hsieh located?

Robert Hsieh practices at 875 Blake Wilbur Dr Ste 1205A, Stanford, CA 94305. The listed phone number is (650) 498-6000.

What is Robert Hsieh's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Robert Hsieh enrolled in Medicare?

Yes. Robert Hsieh 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 Robert Hsieh was last updated on May 7, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.