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IRENA TAN MD
NPI 1427411826
Student in an Organized Health Care Education/Training Program in Palo Alto, CA

Active since April 01, 2016PECOS Enrolled
875 BLAKE WILBUR DR, PALO ALTO, CA 94304(650) 498-6000 Get Directions Write a Review

NPPES record last updated: July 19, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 19, 2021, Apr 1, 2016 (2 updates tracked since 2016).

About Irena Tan Md NPPES

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

IRENA TAN MD (NPI 1427411826) is an individual student in an organized health care education/training program in Palo Alto, California and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1427411826
Entity TypeIndividualFemale
Primary Taxonomy390200000X
Provider Legal NameIRENA TANCredential: MD
Location Address875 BLAKE WILBUR DRPalo Alto, CA 94304-2205
Mailing Address875 Blake Wilbur DrPalo Alto, CA 94304-2205
Phone(650) 498-6000
Sole ProprietorNo
Enumeration DateApril 1, 2016
Last NPPES UpdateJuly 19, 20212 updates tracked since enumeration
NPPES CertifiedJuly 19, 2021
✔ NPI 1427411826 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyStudent in an Organized Health Care Education/Training ProgramStudent, Health Care
Taxonomy Code390200000X
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
875 BLAKE WILBUR DR, Palo Alto, CA 94304
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Irena Tan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

DANIELLA KLEBANER
Radiology (Radiation Oncology)
875 BLAKE WILBUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 498-6000
ZACHARY TYE NORMAN MD, MBA
Student in an Organized Health Care Education/Training Program
875 BLAKE WILBUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 724-4750
RACHEL BLAIR
Registered Nurse (Ambulatory Care)
875 BLAKE WILBUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 498-6000
JANE EDNA HUANG MD
Internal Medicine (Medical Oncology)
875 BLAKE WILBUR DR, THORACIC ONCOLOGY, CANCER CENTER
PALO ALTO, CA 94304
Santa Clara County (650) 498-6000
DR. ALLISON YUAN ZHONG MD
Radiology (Radiation Oncology)
875 BLAKE WILBUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-6171
HEATHER BERNICE BOULTING ACNPC-AG
Nurse Practitioner
875 BLAKE WILBUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 498-6000
MS. MELISSA VIATORI N.P.
Nurse Practitioner
875 BLAKE WILBUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 498-6000
CHARUL SHAH RN
Registered Nurse (Oncology)
875 BLAKE WILBUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 725-1860

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 Irena Tan's NPI number?

The NPI number for Irena Tan is 1427411826. It was assigned to this individual provider in the NPPES registry on April 1, 2016.

Where is Irena Tan located?

Irena Tan practices at 875 Blake Wilbur Dr, Palo Alto, CA 94304. The listed phone number is (650) 498-6000.

What is Irena Tan's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is Irena Tan enrolled in Medicare?

Yes. Irena Tan is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Irena Tan was last updated on July 19, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.