Active NPI 1366438624 Individual Practitioner Male Practitioner

Dr. Michael A. Chang , MD

Ophthalmology • Lexington, MA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Michael Chang, MD is a certified Ophthalmology practicing in Lexington, MA. With approximately 42 years of clinical experience since graduating from Harvard Medical School in 1984, Dr. Chang delivers high-quality medical care to the local community at 110 HARTWELL AVE STE 201.

Dr. Chang is affiliated with Massachusetts Eye And Ear Associates, Inc and accepts Medicare assignment.

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

Practice Location & Contact Primary Location

Practice Address

110 Hartwell Ave Ste 201

Lexington, MA 024213118

Telephone 7818901023

Associated Practice Facility / Clinic

🏢 Talamo Hatch Laser Eye Consultants, Llc Facility NPI 1629153994

Medicare Profile & Education

Medical School

Harvard Medical School

Graduation Year

1984

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Lexington, MA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

42 Yrs +18.2 yrs vs City Avg

City Avg: 23.8 Yrs

State Avg: 30.8 Yrs

Regional Practice Density

18 Specialists

Practicing in Lexington, MA (841 Statewide)

Telehealth Adoption Rate

16.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

76.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Chang (42 Years) 42 Yrs

Lexington Specialty Average (23.8 Years) 23.8 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
92014 Established patient complete exam of visual system	362	341	$553.48	$138.08
92083 Exam of visual field with extended testing	349	326	$276.91	$69.88
92133 Imaging of optic nerve	309	282	$178.37	$36.35
92012 Established patient problem focused exam of visual system	264	164	$398.18	$98.48
92004 New patient complete exam of visual system	188	188	$623.63	$155.05
92250 Photography of the retina	82	82	$229.65	$37.51
92132 Imaging of front third of eye	68	62	$141.71	$32.55
76514 Ultrasound scan of cornea to determine thickness	65	65	$50.00	$11.56

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	1,037	994	$418.26	$140.33
92012 Established patient problem focused exam of visual system	576	444	$285.31	$99.73
92083 Exam of visual field with extended testing	425	408	$285.53	$69.89
92133 Imaging of optic nerve	413	397	$164.89	$36.98
92004 New patient complete exam of visual system	127	127	$572.91	$166.63
92136 Measurement of corneal curvature and depth of eye	30	28	$283.90	$49.02
65855 Laser repair to improve eye fluid flow	18	12	$1529.00	$223.66
67820 Removal of eyelashes using forceps	18	17	$159.83	$21.20
99213 Established patient office or other outpatient visit, typically 15 minutes	17	16	$290.41	$98.09
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$776.00	$181.69
66821 Removal of recurring cataract in lens capsule using a laser	13	12	$1100.00	$347.28
66984 Removal of cataract with insertion of lens	12	12	$2977.00	$595.74

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	1,584	1,406	$400.00	$141.99
92012 Established patient problem focused exam of visual system	841	602	$275.00	$100.30
92083 Exam of visual field with extended testing	691	662	$290.00	$70.84
92133 Imaging of optic nerve	669	638	$161.00	$37.59
92004 New patient complete exam of visual system	221	221	$450.00	$166.60
92136 Measurement of corneal curvature and depth of eye	93	88	$300.00	$53.65
66984 Removal of cataract with insertion of lens	66	62	$2977.00	$584.12
66982 Complex removal of cataract with insertion of prosthetic lens	35	34	$3345.00	$824.37
66821 Removal of recurring cataract in lens capsule using a laser	34	31	$1100.00	$351.58
67820 Removal of eyelashes using forceps	17	16	$160.00	$21.35
92250 Photography of the retina	16	16	$215.00	$41.82
92286 Imaging of front third of eye using a special microscope	16	16	$335.00	$40.77
92020 Examination of cornea and iris using lens device and slit lamp	14	12	$85.00	$30.72
76519 Ultrasound of eye for determination of lens power	11	11	$275.00	$75.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	1,483	1,317	$317.69	$144.55
92012 Established patient problem focused exam of visual system	957	609	$214.08	$102.86
92083 Exam of visual field with extended testing	692	666	$232.95	$72.46
92133 Imaging of optic nerve	681	658	$122.22	$38.38
92004 New patient complete exam of visual system	95	95	$369.47	$171.86
92136 Measurement of corneal curvature and depth of eye	87	78	$267.82	$58.30
66984 Removal of cataract with insertion of lens	82	72	$2593.78	$605.80
92250 Photography of the retina	62	61	$191.05	$44.36
66821 Removal of recurring cataract in lens capsule using a laser	34	32	$994.59	$357.52
67820 Removal of eyelashes using forceps	25	22	$140.80	$23.82
76514 Ultrasound scan of cornea to determine thickness	24	24	$30.00	$12.38
65855 Laser repair to improve eye fluid flow	23	15	$1278.57	$230.03
92286 Imaging of front third of eye using a special microscope	20	20	$279.75	$41.63
92020 Examination of cornea and iris using lens device and slit lamp	13	13	$70.46	$31.89
99213 Established patient office or other outpatient visit, typically 15 minutes	12	11	$231.67	$97.56
66982 Complex removal of cataract with insertion of prosthetic lens	11	11	$2720.45	$800.80

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	1,425	1,286	$230.00	$144.58
92012 Established patient problem focused exam of visual system	846	546	$160.00	$102.03
92133 Imaging of optic nerve	642	621	$80.00	$39.57
92083 Exam of visual field with extended testing	639	620	$170.00	$73.90
92250 Photography of the retina	70	70	$170.00	$51.60
92004 New patient complete exam of visual system	69	69	$280.00	$170.15
76514 Ultrasound scan of cornea to determine thickness	43	43	$30.00	$12.81
92136 Measurement of corneal curvature and depth of eye	36	35	$218.89	$65.49
67820 Removal of eyelashes using forceps	35	27	$148.57	$32.60
66984 Removal of cataract with insertion of lens	29	28	$1995.00	$621.72
66821 Removal of recurring cataract in lens capsule using a laser	23	22	$844.00	$359.86
65855 Laser repair to improve eye fluid flow	23	15	$1145.00	$234.38
99213 Established patient office or other outpatient visit, typically 15 minutes	20	17	$140.00	$85.20
92020 Examination of cornea and iris using lens device and slit lamp	17	15	$64.00	$31.50

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	1,561	1,393	$230.00	$142.63
92012 Established patient problem focused exam of visual system	1,162	667	$160.00	$99.47
92083 Exam of visual field with extended testing	736	717	$170.00	$73.48
92133 Imaging of optic nerve	722	706	$80.00	$38.73
92004 New patient complete exam of visual system	90	90	$280.00	$168.18
92250 Photography of the retina	88	85	$170.00	$56.04
66984 Removal of cataract with insertion of lens	80	71	$1995.00	$703.80
92136 Measurement of corneal curvature and depth of eye	78	70	$219.23	$71.61
76514 Ultrasound scan of cornea to determine thickness	52	52	$30.00	$13.26
66821 Removal of recurring cataract in lens capsule using a laser	50	44	$844.00	$353.54
67820 Removal of eyelashes using forceps	41	35	$164.88	$42.44
65855 Laser repair to improve eye fluid flow	40	22	$1145.00	$232.16
92286 Imaging of front third of eye using a special microscope	26	26	$250.00	$40.19
92020 Examination of cornea and iris using lens device and slit lamp	25	25	$64.00	$30.80
76519 Ultrasound of eye for determination of lens power	11	11	$176.73	$68.37

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	1,497	1,342	$230.00	$141.71
92012 Established patient problem focused exam of visual system	1,186	686	$160.00	$98.58
92083 Exam of visual field with extended testing	733	712	$170.00	$73.41
92133 Imaging of optic nerve	712	695	$80.00	$39.22
92004 New patient complete exam of visual system	106	106	$280.00	$168.94
92250 Photography of the retina	89	88	$170.00	$63.91
66984 Removal of cataract with insertion of lens	81	73	$1995.00	$706.01
76514 Ultrasound scan of cornea to determine thickness	79	79	$30.00	$16.15
92136 Measurement of corneal curvature and depth of eye	79	71	$215.57	$78.25
67820 Removal of eyelashes using forceps	64	58	$158.44	$51.41
66821 Removal of recurring cataract in lens capsule using a laser	47	44	$844.00	$351.87
65855 Laser repair to improve eye fluid flow	39	23	$1145.00	$231.40
92286 Imaging of front third of eye using a special microscope	18	18	$250.00	$39.87
76519 Ultrasound of eye for determination of lens power	17	17	$177.41	$76.32
92020 Examination of cornea and iris using lens device and slit lamp	15	14	$64.00	$29.82
66982 Complex removal of cataract with insertion of prosthetic lens	12	12	$2200.00	$885.35

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	1,467	1,332	$230.00	$136.33
92012 Established patient problem focused exam of visual system	1,165	678	$160.00	$94.52
92083 Exam of visual field with extended testing	662	644	$170.00	$72.35
92133 Imaging of optic nerve	639	622	$80.00	$38.33
92004 New patient complete exam of visual system	102	102	$280.00	$164.14
66984 Removal of cataract with insertion of lens	83	70	$1995.00	$690.64
92250 Photography of the retina	77	76	$170.00	$74.69
92136 Measurement of corneal curvature and depth of eye	70	61	$211.14	$85.48
66821 Removal of recurring cataract in lens capsule using a laser	51	45	$844.00	$341.99
67820 Removal of eyelashes using forceps	48	44	$148.96	$58.71
76514 Ultrasound scan of cornea to determine thickness	43	43	$30.00	$15.47
65855 Laser repair to improve eye fluid flow	36	25	$1145.00	$222.92
76519 Ultrasound of eye for determination of lens power	24	23	$162.67	$77.75
92286 Imaging of front third of eye using a special microscope	19	19	$250.00	$39.08
92020 Examination of cornea and iris using lens device and slit lamp	15	15	$64.00	$29.43
66982 Complex removal of cataract with insertion of prosthetic lens	11	11	$2200.00	$865.71

Medical Specialties & State Licenses

CMS Verified: 2023-08-14

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License MA 59606

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.

Hospital & Practice Group Affiliations

Massachusetts Eye And Ear Associates, Inc

243 Charles St, Boston, MA 021143002

Phone: 6175237900

Practice Associates & Co-Workers

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

6 Associated Practitioners

Dr. Lynette Johns , OD

Optometrist - Corneal and Contact Management

NPI 1053407411

Doctor of Optometry

Dr. Kenneth Mckay , MD

Ophthalmology

NPI 1235510462

Doctor of Medicine (M.D.)

Dr. Nandini Venkateswaran , MD

Ophthalmology

NPI 1265813992

Doctor of Medicine (M.D.)

Dr. Kathryn Masselam Hatch , MD

Ophthalmology

NPI 1528265824

Doctor of Medicine (M.D.)

Dr. Karen Zar , OD

Optometrist

NPI 1780786780

Doctor of Optometry

Dr. Jonathan Talamo , MD

Ophthalmology

NPI 1942292560

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

17 Historical Events

📍

Updated Practice Location August 14, 2023

Registered at 110 HARTWELL AVE STE 201, LEXINGTON, MA 024213118 (Tel: 7818901023)

📍

Updated Business Mailing Address August 14, 2023

Registered at 110 HARTWELL AVE STE 201, LEXINGTON, MA 024213118 (Tel: 7818901023)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 14, 2023

Ophthalmology (License #59606 in MA)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 01, 2022

Ophthalmology (License #59606 in MA)

📍

Updated Business Mailing Address May 08, 2020

Registered at 97 LIBBEY INDUSTRIAL PKWY STE 100, EAST WEYMOUTH, MA 021893110 (Tel: 7813313300)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 08, 2020

Ophthalmology (License #59606 in MA)

✅

NPI Profile Active March 15, 2018

NPI status registered as active in NPPES database

📍

Updated Practice Location March 15, 2018

Registered at 97 LIBBEY INDUSTRIAL PKWY STE 100, EAST WEYMOUTH, MA 021893110 (Tel: 7813313300)

📍

Updated Business Mailing Address March 15, 2018

Registered at 1900 CROWN COLONY DR, SUITE 301, QUINCY, MA 021690931 (Tel: 7813313300)

👤

Provider Name / Credentials Updated March 15, 2018

Recorded as MICHAEL CHANG, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 15, 2018

Ophthalmology (License #59606 in MA)

✅

NPI Profile Active April 07, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location April 07, 2014

Registered at 696 MAIN ST, SOUTH WEYMOUTH, MA 021901842 (Tel: 7813313300)

📍

Updated Business Mailing Address April 07, 2014

Registered at 1900 CROWN COLONY DR, SUITE 301, QUINCY, MA 021690931 (Tel: 7813313300)

👤

Provider Name / Credentials Updated April 07, 2014

Recorded as MICHAEL CHANG, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 07, 2014

Ophthalmology (License #59606 in MA)

🟢

Initial NPI Registration & Enumeration September 22, 2005

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: 1366438624

Entity Type:

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

Enumeration Date: September 22, 2005

Last Update: August 14, 2023

Sole Proprietor: No

Update or Correct Profile

Mailing Address

110 Hartwell Ave Ste 201

Lexington, MA 024213118

Phone: 7818901023

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.