DAVID D. GILBERT, MD, INC
NPI 1780271908
Ophthalmology in Walnut Creek, CA

Active since December 22, 2020
350 N WIGET LN STE 200, WALNUT CREEK, CA 94598(925) 934-7800(925) 933-9547 Get Directions Write a Review

NPPES record last updated: July 30, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 30, 2026, May 4, 2026, Jun 24, 2025 and 3 more (6 updates tracked since 2020).

About David D. Gilbert, Md, Inc NPPES

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

DAVID D. GILBERT, MD, INC (NPI 1780271908), doing business as Diablo Eye Associates, is a healthcare organization registered as an ophthalmology in Walnut Creek, California and active in the NPI registry since December 2020. The organization lists David Gilbert, Physician Owner, as its authorized official.

NPPES Registry Identity

NPI1780271908
Entity TypeOrganization
Primary Taxonomy207W00000X
Legal Business NameDAVID D. GILBERT, MD, INC
Location Address350 N WIGET LN STE 200Walnut Creek, CA 94598-2448
Mailing Address350 N Wiget Ln Ste 200Walnut Creek, CA 94598-2448 · (925) 934-7800 · Fax (925) 933-9547
Fax(925) 933-9547
Organization SubpartNo
Authorized OfficialDavid GilbertPhysician Owner · (925) 934-7800
Enumeration DateDecember 22, 2020
Last NPPES UpdateJuly 30, 20266 updates tracked since enumeration
NPPES CertifiedJuly 30, 2026
✔ NPI 1780271908 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ 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.
Also ListedOptometristTaxonomy 152W00000X
Also ListedOphthalmology · Glaucoma SpecialistTaxonomy 207WX0009X
350 N WIGET LN STE 200, Walnut Creek, CA 94598

Other Names 1

Doing Business AsDiablo Eye Associates

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

David D. Gilbert, Md, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

6

Medicare enrollment records show 6 clinicians reassign Medicare billing to David D. Gilbert, MD, Inc, which bills Medicare for the services they deliver. Of these, 4 practice at this address. They are listed nearest first.

Clinicians, nearest first (6)

Optometry
NPI 1275373417
350 N WIGET LN STE 200
Walnut Creek, CA 94598
(925) 934-7800
✔ PECOS✔ Accepts MedicareSame address
Ophthalmology
NPI 1033297536
350 N WIGET LN STE 200
Walnut Creek, CA 94598
(925) 934-7800
✔ PECOS✔ Accepts MedicareSame address
Optometry
NPI 1164311007
350 N WIGET LN STE 200
Walnut Creek, CA 94598
(925) 934-7800
✔ PECOSSame address
Ophthalmology
NPI 1326468661
350 N WIGET LN STE 200
Walnut Creek, CA 94598
(925) 934-7800
✔ PECOS✔ Accepts MedicareSame address
Optometry
NPI 1457697799
4501 SAND CREEK RD FL 1
Antioch, CA 94531
(925) 813-3370
✔ PECOS✔ Accepts Medicare14 mi
Optometry
NPI 1134475023
7677 OAKPORT ST STE 100
Oakland, CA 94621
(510) 383-8830
✔ PECOS16 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 David D. Gilbert, MD, Inc's NPI number?

The NPI number for David D. Gilbert, MD, Inc is 1780271908. It was assigned to this organization in the NPPES registry on December 22, 2020. The provider is doing business as Diablo Eye Associates.

Where is David D. Gilbert, MD, Inc located?

David D. Gilbert, MD, Inc is located at 350 N Wiget Ln Ste 200, Walnut Creek, CA 94598. The listed phone number is (925) 934-7800.

What is David D. Gilbert, MD, Inc's specialty?

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

Is David D. Gilbert, MD, Inc enrolled in Medicare?

Yes. David D. Gilbert, MD, Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through David D. Gilbert, MD, Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians in 2 Medicare specialties reassign their Medicare billing to David D. Gilbert, MD, 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. The largest specialties are Optometry (4) and Ophthalmology (2). Of these, 4 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for David D. Gilbert, MD, Inc was last updated on July 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.