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HAND SURGICAL ASSOCIATES, INC.
NPI 1104944933
Orthopaedic Surgery - Hand Surgery in Mountain View, CA

Active since March 27, 2007
2490 HOSPITAL DR STE 212, MOUNTAIN VIEW, CA 94040(650) 962-4536 Get Directions Write a Review

NPPES record last updated: June 26, 2009. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Hand Surgical Associates, Inc. NPPES

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

HAND SURGICAL ASSOCIATES, INC. (NPI 1104944933) is a healthcare organization registered as a hand surgery in Mountain View, California and active in the NPI registry since March 2007. The organization lists Anthony Hung Nguyen, Director, as its authorized official.

NPPES Registry Identity

NPI1104944933
Entity TypeOrganization
Primary Taxonomy207XS0106X
Legal Business NameHAND SURGICAL ASSOCIATES, INC.
Location Address2490 HOSPITAL DR STE 212Mountain View, CA 94040-4125
Mailing Address127 Kellogg WaySanta Clara, CA 95051-6710 · (650) 962-4536
Phone(650) 962-4536
Organization SubpartNo
Authorized OfficialAnthony Hung NguyenDirector · (650) 962-4536
Enumeration DateMarch 27, 2007
Last NPPES UpdateJune 26, 2009
✔ NPI 1104944933 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic Surgery · Hand SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207XS0106X
Definition
An orthopaedic surgeon trained in the investigation, preservation and restoration by medical, surgical and rehabilitative means of all structures of the upper extremity directly affecting the form and function of the hand and wrist.
2490 HOSPITAL DR STE 212, Mountain View, CA 94040
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Other Identifiers 1

Medicare ID-Type UnspecifiedZZZ29186ZCA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Hand Surgical Associates, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Hand Surgical Associates, Inc., which bills Medicare for the services this clinician delivers.

Clinician (1)

Anthony Nguyen, M.D.
Plastic and Reconstructive Surgery
NPI 1558421883
2490 HOSPITAL DR STE 212
Mountain View, CA 94040
(650) 962-4536
✔ PECOS0.1 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Hand Surgical Associates, Inc.'s NPI number?

The NPI number for Hand Surgical Associates, Inc. is 1104944933. It was assigned to this organization in the NPPES registry on March 27, 2007.

Where is Hand Surgical Associates, Inc. located?

Hand Surgical Associates, Inc. is located at 2490 Hospital Dr Ste 212, Mountain View, CA 94040. The listed phone number is (650) 962-4536.

What is Hand Surgical Associates, Inc.'s specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Hand Surgery, with taxonomy code 207XS0106X.

Is Hand Surgical Associates, Inc. enrolled in Medicare?

Yes. Hand Surgical Associates, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Hand Surgical Associates, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Plastic and Reconstructive Surgery) reassigns their Medicare billing to Hand Surgical Associates, Inc.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Hand Surgical Associates, Inc. was last updated on June 26, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.