STEPHANIE P CHEN, MD INC
NPI 1740155464
Ophthalmology in Los Altos, CA

Q: What is Stephanie P Chen, MD Inc's NPI number?

The NPI number for Stephanie P Chen, MD Inc is 1740155464. It was assigned to this organization in the NPPES registry on October 10, 2025.

Q: What is Stephanie P Chen, MD Inc's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Active since October 10, 2025

762 ALTOS OAKS DR, LOS ALTOS, CA 94024(650) 948-9123 Get Directions Write a Review

NPPES record last updated: April 16, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 16, 2026, Oct 10, 2025 (2 updates tracked since 2025).

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About Stephanie P Chen, Md Inc NPPES

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

STEPHANIE P CHEN, MD INC (NPI 1740155464) is a healthcare organization registered as an ophthalmology in Los Altos, California and active in the NPI registry since October 2025. The organization lists Stephanie Chen, Owner, as its authorized official.

NPPES Registry Identity

NPI1740155464

Entity TypeOrganization

Primary Taxonomy207W00000X

Legal Business NameSTEPHANIE P CHEN, MD INC

Location Address762 ALTOS OAKS DRLos Altos, CA 94024-5434

Mailing Address762 Altos Oaks DrLos Altos, CA 94024-5434

Phone(650) 948-9123

Organization SubpartNo

Authorized OfficialStephanie ChenOwner · (650) 948-9123

Enumeration DateOctober 10, 2025

Last NPPES UpdateApril 16, 20262 updates tracked since enumeration

NPPES CertifiedApril 16, 2026

✔ NPI 1740155464 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

Definition

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

762 ALTOS OAKS DR, Los Altos, CA 94024

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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ALTOS OPTICAL CO INC

Technician/Technologist (Optician)

762 ALTOS OAKS DR, SUITE 3
LOS ALTOS, CA 94024

Santa Clara County (650) 948-0403

DAVID F. CHANG MD INC

Ophthalmology

762 ALTOS OAKS DR, STE 1
LOS ALTOS, CA 94024

Santa Clara County (650) 948-9123

ALEJANDRO ZAFFARONI M.D.

Ophthalmology

762 ALTOS OAKS DR
LOS ALTOS, CA 94024

Santa Clara County (650) 948-9123

DAVID F CHANG M.D.

Ophthalmology

762 ALTOS OAKS DR
LOS ALTOS, CA 94024

Santa Clara County (650) 948-9123

DR. BRYAN LEE MD, JD

Ophthalmology

762 ALTOS OAKS DR, STE 1
LOS ALTOS, CA 94024

Santa Clara County (650) 948-9123

DR. STEPHANIE P CHEN MD

Ophthalmology (Cornea and External Diseases Specialist)

762 ALTOS OAKS DR
LOS ALTOS, CA 94024

Santa Clara County (650) 948-9123

AJITA GREWAL MD INC

Ophthalmology

762 ALTOS OAKS DR, SUITE 1
LOS ALTOS, CA 94024

Santa Clara County (650) 948-9123

AJITA GREWAL M.D.

Ophthalmology

762 ALTOS OAKS DR
LOS ALTOS, CA 94024

Santa Clara County (650) 948-9123

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 Stephanie P Chen, MD Inc's NPI number?

The NPI number for Stephanie P Chen, MD Inc is 1740155464. It was assigned to this organization in the NPPES registry on October 10, 2025.

Where is Stephanie P Chen, MD Inc located?

Stephanie P Chen, MD Inc is located at 762 Altos Oaks Dr, Los Altos, CA 94024. The listed phone number is (650) 948-9123.

What is Stephanie P Chen, MD Inc's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

When was this NPI record last updated?

The NPPES record for Stephanie P Chen, MD Inc was last updated on April 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.