Active NPI 1831162999 Individual Practitioner Male Practitioner

Dr. Thomas C O'neil , MD

Ophthalmology • Tracy, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Thomas O'Neil, MD is a certified Ophthalmology practicing in Tracy, CA. With approximately 48 years of clinical experience since graduating from University Of Iowa, Rj & L Carver College Of Medicine in 1978, Dr. O'Neil delivers high-quality medical care to the local community at 303 W EATON AVE.

Dr. O'Neil accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, test for allergy using allergenic extract applied to eye, imaging of retina. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

303 W Eaton Ave

Tracy, CA 95376

Telephone 2098361155

Fax 2098360478

Associated Practice Facility / Clinic

🏢 Thomas C O'neil M.d. Inc Facility NPI 1154639896

Medicare Profile & Education

Medical School

University Of Iowa, Rj & L Carver College Of Medicine

Graduation Year

1978

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Tracy, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

48 Yrs +6.0 yrs vs City Avg

City Avg: 42.0 Yrs

State Avg: 29.5 Yrs

Regional Practice Density

3 Specialists

Practicing in Tracy, CA (3116 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

44.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. O'neil (48 Years) 48 Yrs

Tracy Specialty Average (42.0 Years) 42.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	144	103	$168.00	$130.31
95060 Test for allergy using allergenic extract applied to eye	113	103	$80.00	$41.97
92134 Imaging of retina	112	102	$90.00	$38.87
92025 Ct scan of cornea	99	95	$100.00	$36.63
92202 Extended exam of the back part of the eye with optic nerve drawing	84	84	$45.00	$15.59
92083 Exam of visual field with extended testing	42	39	$125.00	$66.30
99213 Established patient office or other outpatient visit, typically 15 minutes	39	29	$107.00	$92.51
76514 Ultrasound scan of cornea to determine thickness	34	33	$24.00	$10.80
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	32	32	$278.00	$168.51
92201 Extended exam of the back part of the eye with retinal drawing	31	31	$75.00	$25.10
92250 Photography of the retina	26	25	$100.00	$38.36

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
95060 Test for allergy using allergenic extract applied to eye	139	130	$65.90	$39.91
92134 Imaging of retina	139	133	$90.00	$39.20
92202 Extended exam of the back part of the eye with optic nerve drawing	126	125	$45.00	$15.89
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	123	103	$168.00	$130.45
92025 Ct scan of cornea	120	118	$100.00	$37.04
76514 Ultrasound scan of cornea to determine thickness	87	86	$24.00	$10.90
99213 Established patient office or other outpatient visit, typically 15 minutes	75	48	$107.00	$92.35
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	65	65	$275.37	$168.41
92083 Exam of visual field with extended testing	51	47	$125.00	$65.65
92201 Extended exam of the back part of the eye with retinal drawing	15	13	$75.00	$25.21

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92202 Extended exam of the back part of the eye with optic nerve drawing	120	104	$45.00	$16.30
76514 Ultrasound scan of cornea to determine thickness	96	95	$24.00	$11.27
92025 Ct scan of cornea	95	91	$100.00	$36.90
95060 Test for allergy using allergenic extract applied to eye	95	92	$40.00	$39.26
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	93	79	$171.55	$131.46
92134 Imaging of retina	92	88	$90.00	$39.54
99213 Established patient office or other outpatient visit, typically 15 minutes	66	42	$107.00	$93.65
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	44	44	$278.00	$171.76
92083 Exam of visual field with extended testing	40	36	$125.00	$66.22

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	125	102	$168.88	$133.13
92025 Ct scan of cornea	114	109	$100.00	$37.88
76514 Ultrasound scan of cornea to determine thickness	111	106	$24.00	$11.42
92250 Photography of the retina	107	103	$100.00	$41.51
92134 Imaging of retina	99	93	$90.00	$40.23
95060 Test for allergy using allergenic extract applied to eye	81	76	$40.00	$39.23
99213 Established patient office or other outpatient visit, typically 15 minutes	66	43	$107.00	$95.12
92083 Exam of visual field with extended testing	42	39	$125.00	$67.39
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	31	31	$278.00	$173.77
92202 Extended exam of the back part of the eye with optic nerve drawing	20	20	$45.00	$16.59

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	93	79	$170.37	$113.55
92250 Photography of the retina	90	87	$100.00	$47.83
76514 Ultrasound scan of cornea to determine thickness	79	79	$24.00	$11.93
95060 Test for allergy using allergenic extract applied to eye	66	62	$40.00	$37.91
92025 Ct scan of cornea	49	48	$106.12	$38.06
92134 Imaging of retina	48	48	$90.00	$40.92
99213 Established patient office or other outpatient visit, typically 15 minutes	40	33	$107.00	$75.90
92083 Exam of visual field with extended testing	39	38	$131.23	$67.41
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	27	27	$278.00	$165.19

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92226 Examination of eye by ophthalmoscope with retinal drawing	265	134	$74.77	$26.63
92025 Ct scan of cornea	163	152	$150.00	$38.70
92250 Photography of the retina	162	161	$100.00	$53.33
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	158	133	$168.70	$111.54
76514 Ultrasound scan of cornea to determine thickness	148	142	$24.00	$12.32
99213 Established patient office or other outpatient visit, typically 15 minutes	135	87	$107.00	$76.25
95060 Test for allergy using allergenic extract applied to eye	126	118	$40.00	$37.53
92225 Examination of eye by ophthalmoscope with retinal drawing	76	42	$75.00	$28.82
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	69	69	$278.00	$166.23
92083 Exam of visual field with extended testing	67	64	$152.00	$67.66
92020 Examination of cornea and iris using lens device and slit lamp	17	17	$56.00	$28.85
66821 Removal of recurring cataract in lens capsule using a laser	17	12	$650.00	$347.88

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92226 Examination of eye by ophthalmoscope with retinal drawing	225	112	$75.00	$24.91
92025 Ct scan of cornea	175	152	$150.00	$37.11
99213 Established patient office or other outpatient visit, typically 15 minutes	169	89	$108.01	$71.64
92250 Photography of the retina	161	160	$100.00	$57.53
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	148	127	$168.74	$105.15
76514 Ultrasound scan of cornea to determine thickness	125	125	$24.00	$14.34
92225 Examination of eye by ophthalmoscope with retinal drawing	106	55	$75.00	$27.03
95060 Test for allergy using allergenic extract applied to eye	92	84	$40.00	$36.02
92083 Exam of visual field with extended testing	66	64	$152.00	$64.60
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	59	59	$278.00	$160.42
92020 Examination of cornea and iris using lens device and slit lamp	12	12	$56.00	$26.65

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92226 Examination of eye by ophthalmoscope with retinal drawing	191	97	$74.69	$24.24
99213 Established patient office or other outpatient visit, typically 15 minutes	163	89	$107.00	$70.58
92250 Photography of the retina	141	137	$100.00	$64.85
92025 Ct scan of cornea	130	125	$150.00	$36.49
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	128	112	$169.72	$104.19
92225 Examination of eye by ophthalmoscope with retinal drawing	101	50	$75.00	$26.30
76514 Ultrasound scan of cornea to determine thickness	86	81	$24.00	$14.09
95060 Test for allergy using allergenic extract applied to eye	54	54	$40.00	$35.61
92083 Exam of visual field with extended testing	48	47	$152.00	$63.60
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	47	47	$278.00	$158.21
66982 Complex removal of cataract with insertion of prosthetic lens	26	18	$1842.00	$745.31
66821 Removal of recurring cataract in lens capsule using a laser	16	13	$650.00	$322.48
76519 Ultrasound of eye for determination of lens power	14	14	$168.00	$84.10
92020 Examination of cornea and iris using lens device and slit lamp	14	14	$56.00	$26.32

Medical Specialties & State Licenses

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License CA A34142

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

00A341420 (CA)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events

✅

NPI Profile Active January 06, 2010

NPI status registered as active in NPPES database

📍

Updated Practice Location January 06, 2010

Registered at 303 W EATON AVE, TRACY, CA 95376 (Tel: 2098361155)

📍

Updated Business Mailing Address January 06, 2010

Registered at PO BOX 986, WOODBRIDGE, CA 952580986 (Tel: 2098361155)

👤

Provider Name / Credentials Updated January 06, 2010

Recorded as THOMAS O'NEIL, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 06, 2010

Ophthalmology (License #A34142 in CA)

🟢

Initial NPI Registration & Enumeration February 09, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1831162999

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: February 09, 2006

Last Update: January 06, 2010

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

Po Box 986

Woodbridge, CA 952580986

Phone: 2098361155

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.