Deactivated NPI 1992936454 Deactivated / Inactive NPI Male Practitioner

Dr. Gary Kevin Yong , OD

Optometrist • Chicago Heights, IL

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Notice of NPI Deactivation & Inactive Practice Status

According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. Gary Yong has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date July 31, 2009

NPI Deactivation Date March 16, 2026

Total Practice Duration ~17 Years of Practice (2009 – 2026)

Professional Overview & Biography Verified Profile Summary

Dr. Gary Yong, OD was a registered Optometrist practicing in Chicago Heights, IL. Throughout an active medical career spanning 17 years, Dr. Yong provided care at the practice location at 366 DIXIE HWY until profile deactivation on 2026-03-16.

Historical Medicare Part B clinical services included photography of the retina, microfluid analysis of tears, established patient complete exam of visual system. Public procedure reimbursement records and service volume details are provided below for historical transparency.

Practice Location & Contact Primary Location

Practice Address

366 Dixie Hwy

Chicago Heights, IL 604111758

Telephone 7087540080

Associated Practice Facility / Clinic

🏢 Lawrence Greenspan Professional Corporation Facility NPI 1619157872

Specialty Benchmarks & Practice Insights

Comparative analytics for Optometrist in Chicago Heights, IL

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 11.0 Yrs

State Avg: 22.8 Yrs

Regional Practice Density

6 Specialists

Practicing in Chicago Heights, IL (2783 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

51.9% 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 (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92250 Photography of the retina	184	173	$166.00	$37.40
83861 Microfluid analysis of tears	174	82	$40.00	$22.03
92014 Established patient complete exam of visual system	162	151	$225.00	$126.98
92012 Established patient problem focused exam of visual system	80	60	$142.00	$89.10
92004 New patient complete exam of visual system	39	39	$279.00	$150.67
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	22	22	$277.00	$168.09
92083 Exam of visual field with extended testing	21	21	$180.00	$61.28
92133 Imaging of optic nerve	19	19	$120.00	$32.26

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	148	145	$198.61	$126.43
92250 Photography of the retina	131	131	$165.50	$38.63
83861 Microfluid analysis of tears	112	56	$40.00	$22.03
92012 Established patient problem focused exam of visual system	86	64	$131.35	$87.51
92004 New patient complete exam of visual system	78	78	$277.86	$153.59
92134 Imaging of retina	16	16	$65.00	$39.18
92133 Imaging of optic nerve	14	14	$108.43	$35.04
92083 Exam of visual field with extended testing	12	12	$158.00	$63.44
92020 Examination of cornea and iris using lens device and slit lamp	12	12	$90.00	$27.79

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	271	250	$187.45	$126.44
92012 Established patient problem focused exam of visual system	144	118	$167.95	$89.01
92250 Photography of the retina	106	106	$160.65	$39.25
83861 Microfluid analysis of tears	52	26	$40.00	$22.48
92083 Exam of visual field with extended testing	34	34	$154.76	$64.40
92133 Imaging of optic nerve	30	30	$108.00	$35.78
92004 New patient complete exam of visual system	28	28	$269.36	$156.86
92134 Imaging of retina	14	13	$90.07	$39.45
76514 Ultrasound scan of cornea to determine thickness	12	12	$60.00	$11.78

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92250 Photography of the retina	555	443	$166.00	$40.92
92014 Established patient complete exam of visual system	528	413	$225.00	$132.03
92012 Established patient problem focused exam of visual system	199	131	$142.00	$94.90
83861 Microfluid analysis of tears	189	91	$40.00	$22.48
92083 Exam of visual field with extended testing	99	94	$180.00	$65.97
92133 Imaging of optic nerve	95	91	$120.00	$35.54
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	67	67	$277.00	$177.44
92004 New patient complete exam of visual system	59	59	$279.00	$158.83
76514 Ultrasound scan of cornea to determine thickness	34	34	$60.00	$11.36

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	431	358	$225.00	$131.81
92250 Photography of the retina	410	348	$166.00	$47.06
92012 Established patient problem focused exam of visual system	180	136	$142.00	$92.53
83861 Microfluid analysis of tears	118	56	$40.00	$22.40
92083 Exam of visual field with extended testing	104	103	$180.00	$66.69
92133 Imaging of optic nerve	94	93	$120.00	$36.40
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	37	37	$277.00	$176.90
76514 Ultrasound scan of cornea to determine thickness	22	22	$60.00	$12.35

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92250 Photography of the retina	445	397	$166.00	$52.35
92014 Established patient complete exam of visual system	426	363	$225.00	$130.55
83861 Microfluid analysis of tears	344	157	$40.00	$22.03
92012 Established patient problem focused exam of visual system	285	188	$142.00	$91.06
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	138	138	$277.00	$172.67
92083 Exam of visual field with extended testing	113	101	$180.00	$66.63
92133 Imaging of optic nerve	111	100	$120.00	$35.71
76514 Ultrasound scan of cornea to determine thickness	45	44	$60.00	$12.72
92145 Measurement of corneal pressure	20	19	$40.00	$17.89

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
83861 Microfluid analysis of tears	328	150	$40.00	$21.80
92250 Photography of the retina	267	245	$166.00	$57.72
92014 Established patient complete exam of visual system	212	186	$225.25	$127.20
92012 Established patient problem focused exam of visual system	212	148	$142.00	$88.40
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	145	145	$277.00	$170.40
92083 Exam of visual field with extended testing	70	67	$180.00	$64.99
92133 Imaging of optic nerve	69	66	$120.00	$35.28
76514 Ultrasound scan of cornea to determine thickness	40	40	$60.00	$14.94

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	159	157	$148.33	$113.73
83861 Microfluid analysis of tears	98	49	$40.00	$21.55
92250 Photography of the retina	73	73	$162.26	$67.57
92012 Established patient problem focused exam of visual system	66	55	$142.00	$87.86
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	50	50	$277.00	$171.86
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	28	25	$50.00	$44.50
92004 New patient complete exam of visual system	16	16	$110.00	$107.35
92133 Imaging of optic nerve	16	16	$75.56	$37.06
92083 Exam of visual field with extended testing	15	15	$125.40	$64.07

Medical Specialties & State Licenses

Optometrist Primary Specialty

NUCC Taxonomy Code: 152W00000X

State License IL 046.010266

Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.

Practice Associates & Co-Workers

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

4 Associated Practitioners

Dr. Ronald Greenspan , OD

Optometrist

NPI 1194714121

Doctor of Optometry

Dr. Edward Shpritz , OD

Optometrist

NPI 1295817930

Doctor of Optometry

Dr. Lanae Knapp , OD

Optometrist

NPI 1497985790

Doctor of Optometry

Dr. Tiffany Tang , OD

Optometrist

NPI 1902335391

Doctor of Optometry

Career & Practice History Timeline

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

7 Historical Events

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NPI Profile Deactivated March 16, 2026

Record deactivated on March 16, 2026

✅

NPI Profile Active July 31, 2009

NPI status registered as active in NPPES database

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Updated Practice Location July 31, 2009

Registered at 366 DIXIE HWY, CHICAGO HEIGHTS, IL 604111758 (Tel: 7087540080)

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Updated Business Mailing Address July 31, 2009

Registered at 366 DIXIE HWY, CHICAGO HEIGHTS, IL 604111758

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Provider Name / Credentials Updated July 31, 2009

Recorded as GARY YONG, O.D.

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Medical Taxonomy / Specialty Registered (Primary Specialty) July 31, 2009

Optometrist (License #046.010266 in IL)

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Initial NPI Registration & Enumeration July 31, 2009

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: 1992936454

Entity Type:

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

Enumeration Date: July 31, 2009

Last Update: July 31, 2009

Deactivation Date: March 16, 2026

Update or Correct Profile

Mailing Address

366 Dixie Hwy

Chicago Heights, IL 604111758

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.