Active NPI 1013935444 Individual Practitioner Male Practitioner

Dr. Lung Chang , MD

Ophthalmology • Alhambra, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Lung Chang, MD is a certified Ophthalmology practicing in Alhambra, CA. With approximately 64 years of clinical experience since completing medical education in 1962, Dr. Chang delivers high-quality medical care to the local community at 1528 S GARFIELD AVE.

Dr. Chang accepts Medicare assignment.

Frequently performed procedures and clinical services include imaging of optic nerve, established patient complete exam of visual system, new patient complete exam of visual system. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1528 S Garfield Ave

Alhambra, CA 91801

Telephone 6262895432

Fax 6262895551

Associated Practice Facility / Clinic

🏢 Chang Eye Clinic Inc Facility NPI 1952521015

Medicare Profile & Education

Medical School

Other

Graduation Year

1962

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Alhambra, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

64 Yrs +17.2 yrs vs City Avg

City Avg: 46.8 Yrs

State Avg: 29.5 Yrs

Regional Practice Density

6 Specialists

Practicing in Alhambra, CA (3116 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

30.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Chang (64 Years) 64 Yrs

Alhambra Specialty Average (46.8 Years) 46.8 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
92133 Imaging of optic nerve	79	65	$100.63	$39.92
92014 Established patient complete exam of visual system	49	36	$196.73	$138.93
92004 New patient complete exam of visual system	40	40	$198.75	$164.55

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	26	20	$200.00	$141.35
92004 New patient complete exam of visual system	16	16	$200.00	$167.21
92133 Imaging of optic nerve	13	12	$100.00	$39.61

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	70	50	$195.86	$141.47
92004 New patient complete exam of visual system	36	36	$200.00	$168.32
92133 Imaging of optic nerve	29	28	$100.00	$40.13
92083 Exam of visual field with extended testing	15	14	$206.67	$71.60
92235 Exam of retinal blood vessels using a special camera after injection of a dye	12	11	$200.00	$145.43

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	94	64	$180.53	$141.58
92133 Imaging of optic nerve	38	33	$100.00	$40.58
92004 New patient complete exam of visual system	33	33	$193.03	$169.12
92235 Exam of retinal blood vessels using a special camera after injection of a dye	25	22	$200.00	$136.60
92250 Photography of the retina	11	11	$200.00	$40.37

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	91	63	$159.01	$139.15
92133 Imaging of optic nerve	62	54	$100.00	$41.07
92004 New patient complete exam of visual system	45	45	$174.44	$166.17
92012 Established patient problem focused exam of visual system	38	33	$145.39	$100.52
92235 Exam of retinal blood vessels using a special camera after injection of a dye	26	22	$200.00	$120.09
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	19	17	$300.00	$218.69
92083 Exam of visual field with extended testing	17	13	$202.94	$72.13

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	236	125	$148.26	$99.27
92004 New patient complete exam of visual system	81	81	$448.09	$167.24
92133 Imaging of optic nerve	79	74	$100.00	$40.72
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	70	65	$302.86	$215.19
92014 Established patient complete exam of visual system	48	32	$172.29	$141.07
92235 Exam of retinal blood vessels using a special camera after injection of a dye	40	40	$200.00	$104.57
92083 Exam of visual field with extended testing	30	29	$205.00	$72.22
92250 Photography of the retina	21	21	$200.00	$50.87
76519 Ultrasound of eye for determination of lens power	17	16	$358.82	$75.20
66984 Removal of cataract with insertion of lens	16	15	$2031.25	$708.34
67228 Laser destruction of leaking retinal blood vessels, 1 or more sessions	12	11	$1775.00	$435.38

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	276	163	$114.71	$98.82
92133 Imaging of optic nerve	99	96	$107.07	$40.87
92004 New patient complete exam of visual system	76	76	$165.79	$154.15
92235 Exam of retinal blood vessels using a special camera after injection of a dye	56	55	$203.57	$98.19
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	38	37	$268.42	$210.37
92083 Exam of visual field with extended testing	26	24	$200.00	$73.36
92250 Photography of the retina	22	22	$200.00	$58.63
66984 Removal of cataract with insertion of lens	15	14	$2000.00	$757.82
76519 Ultrasound of eye for determination of lens power	15	14	$353.33	$85.13
67145 Photocoagulation treatment to prevent detachment of retina	11	11	$1000.00	$591.64

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	260	163	$102.31	$92.48
92004 New patient complete exam of visual system	74	74	$195.95	$158.19
92133 Imaging of optic nerve	62	59	$141.94	$39.85
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	42	40	$207.14	$193.65
92250 Photography of the retina	38	37	$200.00	$72.72
92235 Exam of retinal blood vessels using a special camera after injection of a dye	37	35	$200.00	$89.52
92083 Exam of visual field with extended testing	29	28	$213.79	$70.72
76519 Ultrasound of eye for determination of lens power	19	16	$355.26	$93.27
66984 Removal of cataract with insertion of lens	18	16	$1888.89	$683.37
67228 Laser destruction of leaking retinal blood vessels, 1 or more sessions	16	11	$1062.50	$364.40

Medical Specialties & State Licenses

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License CA C39371

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

00C393711 (CA)

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 1528 S GARFIELD AVE, ALHAMBRA, CA 91801 (Tel: 6262895432)

📍

Updated Business Mailing Address July 08, 2007

Registered at 1528 S GARFIELD AVE, ALHAMBRA, CA 91801 (Tel: 6262895432)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as LUNG CHANG, MD

🎓

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

Ophthalmology (License #C39371 in CA)

🟢

Initial NPI Registration & Enumeration July 17, 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: 1013935444

Entity Type:

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

Enumeration Date: July 17, 2006

Last Update: July 08, 2007

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1528 S Garfield Ave

Alhambra, CA 91801

Phone: 6262895432

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.