Active NPI 1255351755 Individual Practitioner Male Practitioner

Dr. Gregory Clifton Tesluk , MD

Ophthalmology • Modesto, CA

Professional Overview & Biography Verified Profile Summary

Dr. Gregory Tesluk, MD is a registered healthcare professional specializing in Ophthalmology in Modesto, CA. Practice services are available at 400 E ORANGEBURG AVE STE 2 under active NPI credentials.

Frequently performed procedures and clinical services include established patient complete exam of visual system, established patient problem focused exam of visual system, photography of the retina. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

400 E Orangeburg Ave Ste 2

Modesto, CA 953505365

Telephone 2095263000

Fax 2095263133

Associated Practice Facility / Clinic

🏢 Modesto Surgery Center Facility NPI 1346287232

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Modesto, CA

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 29.3 Yrs

State Avg: 29.5 Yrs

Regional Practice Density

16 Specialists

Practicing in Modesto, CA (3116 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

78.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2021)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	191	167	$188.00	$134.05
92012 Established patient problem focused exam of visual system	87	59	$130.00	$95.12
92250 Photography of the retina	75	73	$123.00	$39.64
92083 Exam of visual field with extended testing	73	69	$143.00	$67.28
92133 Imaging of optic nerve	71	67	$100.00	$37.37
92134 Imaging of retina	66	40	$100.00	$42.99
67028 Injection of drug into eye	40	11	$750.00	$118.93
66821 Removal of recurring cataract in lens capsule using a laser	25	21	$2250.00	$326.95
92136 Measurement of corneal curvature and depth of eye	22	19	$300.00	$49.46
66984 Removal of cataract with insertion of lens	20	16	$3000.00	$565.40
65855 Laser repair to improve eye fluid flow	20	16	$1100.00	$212.80
92004 New patient complete exam of visual system	14	14	$226.00	$159.16

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	284	222	$188.00	$133.46
92012 Established patient problem focused exam of visual system	174	108	$130.00	$93.87
92250 Photography of the retina	144	136	$123.00	$45.26
92083 Exam of visual field with extended testing	124	111	$143.00	$67.15
92134 Imaging of retina	115	60	$100.00	$42.77
92133 Imaging of optic nerve	115	103	$100.00	$37.63
67028 Injection of drug into eye	66	19	$750.00	$106.62
J9035 Injection, bevacizumab, 10 mg	61	15	$75.00	$74.82
92004 New patient complete exam of visual system	50	50	$226.00	$158.90
66984 Removal of cataract with insertion of lens	44	38	$3000.00	$553.05
92136 Measurement of corneal curvature and depth of eye	40	36	$300.00	$56.87
92235 Exam of retinal blood vessels using a special camera after injection of a dye	30	28	$220.00	$110.92
65855 Laser repair to improve eye fluid flow	30	22	$1100.00	$216.18
66821 Removal of recurring cataract in lens capsule using a laser	24	22	$2250.00	$327.62
76512 Ultrasound of eye disease, growth, or structure	21	15	$500.00	$52.38
76514 Ultrasound scan of cornea to determine thickness	20	20	$23.00	$11.67
76519 Ultrasound of eye for determination of lens power	19	19	$225.00	$42.98
92020 Examination of cornea and iris using lens device and slit lamp	14	13	$41.00	$29.21

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	306	231	$188.00	$129.10
92012 Established patient problem focused exam of visual system	264	156	$130.00	$90.01
92250 Photography of the retina	183	168	$123.00	$49.35
92133 Imaging of optic nerve	154	122	$100.00	$36.49
92083 Exam of visual field with extended testing	146	138	$143.00	$65.40
92134 Imaging of retina	96	58	$100.00	$41.10
92004 New patient complete exam of visual system	91	91	$226.00	$153.55
66984 Removal of cataract with insertion of lens	74	53	$3000.00	$630.25
92136 Measurement of corneal curvature and depth of eye	51	51	$300.00	$70.09
67028 Injection of drug into eye	48	19	$765.42	$103.28
65855 Laser repair to improve eye fluid flow	46	29	$1100.00	$208.88
66821 Removal of recurring cataract in lens capsule using a laser	41	36	$2250.00	$306.66
J9035 Injection, bevacizumab, 10 mg	39	17	$75.00	$73.80
92235 Exam of retinal blood vessels using a special camera after injection of a dye	32	31	$220.00	$93.76
76519 Ultrasound of eye for determination of lens power	32	31	$225.00	$36.23
76514 Ultrasound scan of cornea to determine thickness	31	30	$23.00	$11.74
76512 Ultrasound of eye disease, growth, or structure	26	19	$500.00	$59.01
92020 Examination of cornea and iris using lens device and slit lamp	12	12	$41.00	$27.90

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	336	257	$188.00	$125.17
92012 Established patient problem focused exam of visual system	263	146	$130.00	$86.91
92133 Imaging of optic nerve	182	147	$100.00	$35.83
92250 Photography of the retina	163	156	$123.00	$54.70
92083 Exam of visual field with extended testing	144	137	$143.00	$63.79
92004 New patient complete exam of visual system	122	122	$226.00	$149.51
92134 Imaging of retina	89	61	$100.00	$40.93
65855 Laser repair to improve eye fluid flow	74	47	$1100.00	$203.71
66984 Removal of cataract with insertion of lens	72	55	$3000.00	$619.98
J9035 Injection, bevacizumab, 10 mg	66	18	$75.00	$73.82
67028 Injection of drug into eye	64	18	$773.44	$101.15
92136 Measurement of corneal curvature and depth of eye	56	56	$300.00	$75.93
66821 Removal of recurring cataract in lens capsule using a laser	38	33	$2250.00	$304.60
76514 Ultrasound scan of cornea to determine thickness	30	30	$23.00	$14.07
92235 Exam of retinal blood vessels using a special camera after injection of a dye	27	23	$220.00	$85.61
76519 Ultrasound of eye for determination of lens power	26	26	$225.00	$34.14
76512 Ultrasound of eye disease, growth, or structure	17	16	$500.00	$73.68
67041 Removal of membrane from the retina	11	11	$4200.00	$1128.93

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	311	230	$188.00	$123.22
92012 Established patient problem focused exam of visual system	247	131	$130.00	$85.13
92250 Photography of the retina	165	153	$123.00	$66.07
92133 Imaging of optic nerve	153	121	$100.00	$35.87
92083 Exam of visual field with extended testing	123	119	$143.00	$62.81
92004 New patient complete exam of visual system	79	79	$226.00	$148.05
J9035 Injection, bevacizumab, 10 mg	68	15	$75.00	$73.16
67028 Injection of drug into eye	63	15	$809.52	$104.35
65855 Laser repair to improve eye fluid flow	62	41	$1117.74	$206.40
66984 Removal of cataract with insertion of lens	57	42	$3000.00	$631.79
92134 Imaging of retina	55	39	$100.00	$40.48
92136 Measurement of corneal curvature and depth of eye	44	41	$300.00	$86.68
66821 Removal of recurring cataract in lens capsule using a laser	39	32	$2250.00	$309.02
76519 Ultrasound of eye for determination of lens power	26	24	$225.00	$56.16
76514 Ultrasound scan of cornea to determine thickness	24	24	$23.00	$13.91
92235 Exam of retinal blood vessels using a special camera after injection of a dye	19	17	$347.37	$78.31
76512 Ultrasound of eye disease, growth, or structure	14	11	$500.00	$90.05
66982 Complex removal of cataract with insertion of prosthetic lens	12	11	$3500.00	$751.39

Medical Specialties & State Licenses

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License CA C418240

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.

Technician/Technologist - Ophthalmic

NUCC Taxonomy Code: 156FX1100X

State License CA C41824

An ophthalmic technician/technologist assists ophthalmologists by performing ophthalmic clinical functions, including administering eye exams, administering eye medications, and instructing the patient in care and use of corrective lenses.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

00C418240 (CA)

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

1 Associated Practitioners

Margaret Tesluk , CRNA

Registered Nurse

NPI 1275688194

Certified Registered Nurse Anesthetist

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 400 E ORANGEBURG AVE STE 2, MODESTO, CA 953505365 (Tel: 2095263000)

📍

Updated Business Mailing Address July 08, 2007

Registered at 3424 WYCLIFFE DR, MODESTO, CA 953554742 (Tel: 2095265121)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as GREGORY TESLUK, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Technician/Technologist (License #C41824 in CA)

🟢

Initial NPI Registration & Enumeration July 20, 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: 1255351755

Entity Type:

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

Enumeration Date: July 20, 2006

Last Update: September 11, 2025

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

3424 Wycliffe Dr

Modesto, CA 953554742

Phone: 2095265121

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.