Thomas C O'Neil M.D. Inc
NPI 1154639896 · Ophthalmology Physician · Tracy, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas C O'Neil M.D. Inc is a Ophthalmology Physician organization in Tracy, CA (NPI 1154639896).
Provider details
- NPI number
- 1154639896
- Entity type
- Organization
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Thomas O'Neil, Preseident of Corporation(209) 836-1155
- License
- A34142 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Tracy Eye Care Medical Clinic
Registry dates
- Enumerated
- 2010-09-15
- Last updated
- 2010-09-15
Frequently asked questions
- What is Thomas C O'Neil M.D. Inc's NPI number?
- Thomas C O'Neil M.D. Inc's National Provider Identifier (NPI) is 1154639896, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Thomas C O'Neil M.D. Inc?
- Thomas C O'Neil M.D. Inc is classified in the NPPES registry as Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas C O'Neil M.D. Inc located?
- Thomas C O'Neil M.D. Inc's practice location on file with NPPES is 303 W Eaton Ave, Tracy, CA 95376-3418.
- What is Thomas C O'Neil M.D. Inc's phone number?
- The practice phone number listed in the NPPES registry for Thomas C O'Neil M.D. Inc is (209) 836-1155.
- Does Thomas C O'Neil M.D. Inc accept Medicare?
- Thomas C O'Neil M.D. Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Thomas C O'Neil M.D. Inc?
- The authorized official listed on Thomas C O'Neil M.D. Inc's NPPES record is Thomas O'Neil, Preseident of Corporation. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Thomas C O'Neil M.D. Inc's NPI active?
- Yes — Thomas C O'Neil M.D. Inc's NPI (1154639896) is active in the NPPES registry as of the last update on 2010-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.