ILANG MAE GUIROY MD
NPI 1043715717
Psychiatry & Neurology - Child & Adolescent Psychiatry in Stanford, CA
About Ilang Mae Guiroy Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ILANG MAE GUIROY MD (NPI 1043715717) is an individual child & adolescent psychiatry provider in Stanford, California, licensed in California (A159608) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS, maintains a secondary practice location in Palo Alto, and is a graduate of Albany Medical College Of Union University (2017).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Ilang Mae Guiroy 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.
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.
STANFORD, CA 94305
STANFORD, CA 94305
STANFORD, CA 94305
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 Ilang Guiroy's NPI number?
The NPI number for Ilang Guiroy is 1043715717. It was assigned to this individual provider in the NPPES registry on March 26, 2018.
Where is Ilang Guiroy located?
Ilang Guiroy practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.
What is Ilang Guiroy's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.
Is Ilang Guiroy enrolled in Medicare?
Yes. Ilang Guiroy 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 Ilang Guiroy was last updated on December 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Ilang Mae Guiroy, MD · NPI 1043715717
Child & Adolescent Psychiatry physician in Stanford, California. Individual provider, active in the CMS NPPES registry since March 26, 2018.
## Identity
- **NPI:** 1043715717 (Entity type: Individual)
- **Enumerated:** March 26, 2018
- **Primary specialty:** Psychiatry & Neurology - Child & Adolescent Psychiatry · taxonomy 2084P0804X
- **State license:** A159608 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 PASTEUR DR, Stanford, CA 94305-2200
- **Phone:** (650) 723-4000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Albany Medical College Of Union University, class of 2017
## Record status
- **NPPES last updated:** December 19, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1043715717) · Data from the CMS NPPES public registry.