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MR. THOMAS C O'NEIL MD
NPI 1831162999
Ophthalmology in Tracy, CA

Active since February 09, 2006PECOS EnrolledAccepts Medicare Assignment
303 W EATON AVE, TRACY, CA 95376(209) 836-1155(209) 836-0478 Get Directions Write a Review

NPPES record last updated: January 6, 2010. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mr. Thomas C O'neil Md NPPES

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

MR. THOMAS C O'NEIL MD (NPI 1831162999) is an individual ophthalmology provider in Tracy, California, licensed in California (A34142) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Iowa, Rj & L Carver College Of Medicine (1978).

NPPES Registry Identity

NPI1831162999
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameMR. THOMAS C O'NEILCredential: MD
Location Address303 W EATON AVETracy, CA 95376
Mailing AddressPo Box 986Woodbridge, CA 95258-0986 · (209) 836-1155 · Fax (209) 836-0478
Phone(209) 836-1155
Fax(209) 836-0478
Sole ProprietorYes
Medical School CMSUniversity Of Iowa, Rj & L Carver College Of MedicineGraduated 1978
Enumeration DateFebruary 9, 2006
Last NPPES UpdateJanuary 6, 2010
✔ NPI 1831162999 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 Identifiers 3

Medicaid00A341420CA
Medicare ID-Type Unspecified00A341420CA
Medicare UPINA27389

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and more.Insurance ›

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

Mr. Thomas C O'neil 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.

PECOS PAC ID7315002888
PECOS Enrollment IDI20110513000025
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
144 services103 patients
Test for allergy using allergenic extract applied to eye 95060
This is a diagnostic test to identify if you're allergic to specific substances. A tiny amount of allergenic extract is applied to your eye. If you're allergic, your eye may react with symptoms like redness or itching. It's a safe and quick way to pinpoint allergies.
113 services103 patients
Imaging of retina 92134
Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.
112 services102 patients
Ct scan of cornea 92025
A CT scan of the cornea is a non-invasive imaging test that uses X-rays to capture detailed pictures of your eye's cornea. It helps in diagnosing diseases or damage, planning for surgery, or evaluating the results of a treatment. It's a safe and painless procedure.
99 services95 patients
Extended exam of the back part of the eye with optic nerve drawing 92202
This procedure involves a detailed examination of the back part of your eye, focusing on the optic nerve, a crucial component for vision. A drawing or map of the optic nerve is created to help track any changes over time. This can help detect eye diseases early.
84 services84 patients
Exam of visual field with extended testing 92083
An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.
42 services39 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95376 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$133.94 typical visit price
range $58.87 – $176.60
Typical copayment $33.48 (range $14.71 – $44.15)
Most-billed visit code 99204
Established Patient
$73.16 typical visit price
range $19.28 – $144.60
Typical copayment $18.29 (range $4.82 – $36.15)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

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

THOMAS C O'NEIL M.D. INC
Ophthalmology
303 W EATON AVE
TRACY, CA 95376
San Joaquin County (209) 836-1155
TRACY EYE CARE MEDICAL CLINIC
Ophthalmology
303 W EATON AVE
TRACY, CA 95376
San Joaquin County (209) 836-1155

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 O'neil's NPI number?

The NPI number for Thomas O'neil is 1831162999. It was assigned to this individual provider in the NPPES registry on February 9, 2006.

Where is Thomas O'neil located?

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

What is Thomas O'neil's specialty?

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

Is Thomas O'neil enrolled in Medicare?

Yes. Thomas O'neil 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.

What insurance does Thomas O'neil accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas, BlueCross BlueShield of Tennessee and Providence Health Plan list Thomas O'neil as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Thomas O'neil was last updated on January 6, 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.