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TRACY EYE CARE MEDICAL CLINIC
NPI 1154639896
Ophthalmology in Tracy, CA

Active since September 15, 2010
303 W EATON AVE, TRACY, CA 95376(209) 836-1155(209) 836-0478 Get Directions Write a Review

NPPES record last updated: September 15, 2010. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Tracy Eye Care Medical Clinic NPPES

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

TRACY EYE CARE MEDICAL CLINIC (NPI 1154639896) is a healthcare organization registered as an ophthalmology in Tracy, California and active in the NPI registry since September 2010. The organization lists Thomas C O'neil, Preseident Of Corporation, as its authorized official.

NPPES Registry Identity

NPI1154639896
Entity TypeOrganization
Primary Taxonomy207W00000X
Legal Business NameTHOMAS C O'NEIL M.D. INC
Location Address303 W EATON AVETracy, CA 95376-3418
Mailing AddressPo Box 986Woodbridge, CA 95258-0986 · (209) 339-9036 · Fax (209) 339-1901
Phone(209) 836-1155
Fax(209) 836-0478
Organization SubpartNo
Authorized OfficialThomas C O'neilPreseident Of Corporation · (209) 836-1155
Enumeration DateSeptember 15, 2010
✔ NPI 1154639896 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in CA · A34142
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.
303 W EATON AVE, Tracy, CA 95376
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Other Names 1

Doing Business AsTracy Eye Care Medical Clinic

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Tracy Eye Care Medical Clinic is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by December 31, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateCaliforniaEnrollment IDO20110617000258Non-DME Part B · Clinic/Group PracticeDue dateDecember 31, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Tracy Eye Care Medical Clinic, which bills Medicare for the services this clinician delivers.

Clinician (1)

Thomas O Neil, MD
Ophthalmology
NPI 1831162999
303 W EATON AVE
Tracy, CA 95376
(209) 836-1155
✔ PECOS✔ Accepts MedicareSame address

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 Thomas C O'neil M.D. Inc's NPI number?

The NPI number for Thomas C O'neil M.D. Inc is 1154639896. It was assigned to this organization in the NPPES registry on September 15, 2010. The provider is doing business as Tracy Eye Care Medical Clinic.

Where is Thomas C O'neil M.D. Inc located?

Thomas C O'neil M.D. Inc is located at 303 W Eaton Ave, Tracy, CA 95376. The listed phone number is (209) 836-1155.

What is Thomas C O'neil M.D. Inc's specialty?

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

Is Thomas C O'neil M.D. Inc enrolled in Medicare?

Yes. Thomas C O'neil M.D. Inc is registered in the Medicare PECOS enrollment system.

When is Thomas C O'neil M.D. Inc's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by December 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Thomas C O'neil M.D. Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Ophthalmology) reassigns their Medicare billing to Thomas C O'neil M.D. 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 Thomas C O'neil M.D. Inc was last updated on September 15, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.