Active NPI 1003808197 Individual Practitioner Male Practitioner

Dr. David Hyungjun Yi , MD

Ophthalmology • Chelmsford, MA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. David Yi, MD is a certified Ophthalmology practicing in Chelmsford, MA. With approximately 29 years of clinical experience since graduating from Baylor College Of Medicine in 1997, Dr. Yi delivers high-quality medical care to the local community at 19 VILLAGE SQ.

Dr. Yi is affiliated with Massachusetts Eye Associates Pc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient complete exam of visual system, established patient outpatient office visit, removal of cataract with insertion of lens. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

19 Village Sq

Chelmsford, MA 018242712

Telephone 9782565600

Fax 9787030250

Associated Practice Facility / Clinic

🏢 Massachusetts Eye Associates Pc Facility NPI 1912999095

Medicare Profile & Education

Medical School

Baylor College Of Medicine

Graduation Year

1997

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Chelmsford, MA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

29 Yrs +8.2 yrs vs City Avg

City Avg: 20.8 Yrs

State Avg: 30.8 Yrs

Regional Practice Density

10 Specialists

Practicing in Chelmsford, MA (841 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

70.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Yi (29 Years) 29 Yrs

Chelmsford Specialty Average (20.8 Years) 20.8 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	734	730	$270.00	$139.76
99213 Established patient office or other outpatient visit, typically 15 minutes	633	409	$189.00	$98.69
66984 Removal of cataract with insertion of lens	319	177	$2114.11	$463.03
92136 Measurement of corneal curvature and depth of eye	310	203	$250.00	$42.66
92133 Imaging of optic nerve	308	306	$210.00	$40.28
92083 Exam of visual field with extended testing	273	272	$160.00	$71.53
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	191	189	$267.00	$139.75
92012 Established patient problem focused exam of visual system	125	119	$192.00	$99.65
66821 Removal of recurring cataract in lens capsule using a laser	94	92	$1702.21	$408.02
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	74	74	$346.00	$178.77
92134 Imaging of retina	65	59	$210.00	$44.76
92025 Ct scan of cornea	32	32	$150.00	$40.61
92004 New patient complete exam of visual system	31	31	$319.00	$165.71
66982 Complex removal of cataract with insertion of prosthetic lens	30	21	$2291.67	$614.42
76514 Ultrasound scan of cornea to determine thickness	17	17	$100.00	$11.56

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	716	713	$270.00	$142.63
99213 Established patient office or other outpatient visit, typically 15 minutes	532	357	$189.00	$99.27
66984 Removal of cataract with insertion of lens	321	177	$2130.84	$473.25
92136 Measurement of corneal curvature and depth of eye	316	212	$250.00	$44.35
92133 Imaging of optic nerve	265	262	$210.00	$41.20
92083 Exam of visual field with extended testing	247	242	$160.00	$71.46
92012 Established patient problem focused exam of visual system	183	173	$191.89	$101.56
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	181	176	$267.00	$140.05
66821 Removal of recurring cataract in lens capsule using a laser	103	99	$1635.96	$397.67
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	75	75	$346.00	$181.09
92134 Imaging of retina	46	41	$210.00	$45.42
92025 Ct scan of cornea	29	29	$150.00	$41.25
66982 Complex removal of cataract with insertion of prosthetic lens	20	15	$2475.00	$656.04
92004 New patient complete exam of visual system	17	17	$319.00	$168.33
76514 Ultrasound scan of cornea to determine thickness	15	15	$100.00	$12.05

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	825	572	$182.61	$102.41
92014 Established patient complete exam of visual system	814	809	$257.08	$144.76
92136 Measurement of corneal curvature and depth of eye	347	220	$250.00	$46.05
66984 Removal of cataract with insertion of lens	325	185	$2104.62	$467.23
92133 Imaging of optic nerve	319	315	$210.00	$41.82
92083 Exam of visual field with extended testing	254	252	$160.00	$73.07
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	161	154	$246.98	$143.11
66821 Removal of recurring cataract in lens capsule using a laser	79	78	$1684.86	$422.19
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	79	79	$324.28	$185.67
92025 Ct scan of cornea	44	44	$150.00	$41.59
92134 Imaging of retina	43	33	$210.00	$46.40
66982 Complex removal of cataract with insertion of prosthetic lens	19	13	$2460.53	$693.18
92004 New patient complete exam of visual system	15	15	$283.07	$171.52

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	990	640	$158.62	$104.93
92014 Established patient complete exam of visual system	806	796	$224.03	$147.13
66984 Removal of cataract with insertion of lens	381	208	$2198.43	$508.33
92136 Measurement of corneal curvature and depth of eye	357	232	$250.00	$50.15
92133 Imaging of optic nerve	299	290	$210.00	$43.16
92083 Exam of visual field with extended testing	253	249	$160.00	$74.77
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	231	224	$215.00	$145.53
66821 Removal of recurring cataract in lens capsule using a laser	138	134	$1713.57	$430.56
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	121	121	$280.00	$188.47
92004 New patient complete exam of visual system	34	34	$262.06	$174.81
92134 Imaging of retina	28	24	$210.00	$47.71
92002 New patient problem focused exam of visual system	19	19	$166.32	$101.14
66982 Complex removal of cataract with insertion of prosthetic lens	18	14	$2750.00	$802.09

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	709	505	$150.00	$102.36
92014 Established patient complete exam of visual system	573	570	$215.00	$145.37
92133 Imaging of optic nerve	258	249	$210.00	$43.15
66984 Removal of cataract with insertion of lens	228	131	$2168.42	$505.05
92136 Measurement of corneal curvature and depth of eye	214	156	$250.00	$57.64
92083 Exam of visual field with extended testing	195	193	$160.00	$73.86
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	177	163	$215.00	$122.52
66821 Removal of recurring cataract in lens capsule using a laser	81	79	$1416.00	$423.13
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	49	49	$280.00	$185.29
92134 Imaging of retina	28	27	$210.00	$47.25
92002 New patient problem focused exam of visual system	11	11	$160.00	$97.82

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	1,092	712	$150.00	$100.25
92014 Established patient complete exam of visual system	783	781	$215.00	$142.65
66984 Removal of cataract with insertion of lens	413	221	$2190.80	$602.46
92136 Measurement of corneal curvature and depth of eye	390	260	$250.00	$60.66
92133 Imaging of optic nerve	296	294	$210.00	$41.99
92083 Exam of visual field with extended testing	267	262	$160.00	$74.01
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	197	194	$215.33	$119.89
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	77	77	$280.00	$180.88
66821 Removal of recurring cataract in lens capsule using a laser	66	65	$1416.00	$446.67
92250 Photography of the retina	52	52	$125.00	$58.45
92134 Imaging of retina	27	25	$210.00	$46.75
66982 Complex removal of cataract with insertion of prosthetic lens	25	20	$2750.00	$860.22
92004 New patient complete exam of visual system	24	24	$255.00	$170.89
99213 Established patient office or other outpatient visit, typically 15 minutes	12	12	$150.00	$83.25

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	1,154	748	$150.00	$98.25
92014 Established patient complete exam of visual system	827	821	$215.00	$141.42
66984 Removal of cataract with insertion of lens	470	256	$2165.11	$595.97
92136 Measurement of corneal curvature and depth of eye	404	280	$250.00	$67.64
92133 Imaging of optic nerve	291	284	$210.00	$42.32
92083 Exam of visual field with extended testing	281	274	$160.00	$73.22
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	172	170	$215.00	$117.76
66821 Removal of recurring cataract in lens capsule using a laser	84	83	$1432.86	$411.81
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	64	64	$280.00	$179.04
92250 Photography of the retina	58	57	$125.00	$64.08
92134 Imaging of retina	43	40	$210.00	$46.73
92136 Measurement of corneal curvature and depth of eye	42	42	$250.00	$33.99
66982 Complex removal of cataract with insertion of prosthetic lens	26	21	$2750.00	$830.79
92004 New patient complete exam of visual system	23	23	$255.00	$169.35
99213 Established patient office or other outpatient visit, typically 15 minutes	12	12	$150.00	$80.78

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	1,292	835	$150.00	$94.33
92014 Established patient complete exam of visual system	812	804	$215.00	$135.94
92136 Measurement of corneal curvature and depth of eye	403	273	$250.00	$72.72
66984 Removal of cataract with insertion of lens	398	244	$2407.79	$653.14
92133 Imaging of optic nerve	250	243	$210.00	$41.25
92083 Exam of visual field with extended testing	234	229	$160.00	$72.51
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	167	166	$215.00	$114.46
66821 Removal of recurring cataract in lens capsule using a laser	110	107	$1802.18	$369.63
92004 New patient complete exam of visual system	93	93	$255.00	$164.17
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	89	89	$280.00	$176.80
92134 Imaging of retina	45	41	$210.00	$45.37
0191T Internal insertion of eye fluid drainage device	29	18	$1000.00	$452.91
92025 Ct scan of cornea	29	29	$150.00	$38.13
92002 New patient problem focused exam of visual system	27	27	$160.00	$90.02
66982 Complex removal of cataract with insertion of prosthetic lens	23	18	$2750.00	$801.45
76514 Ultrasound scan of cornea to determine thickness	20	20	$100.00	$16.32

Medical Specialties & State Licenses

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License MA 209741

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

0138479 (MA)

Hospital & Practice Group Affiliations

Massachusetts Eye Associates Pc

19 Village Sq, Chelmsford, MA 018242712

Phone: 9782565600

Practice Associates & Co-Workers

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

13 Associated Practitioners

Dr. David Perkins , MD

Ophthalmology

NPI 1154313245

Doctor of Medicine (M.D.)

Dr. David Tracy , MD

Ophthalmology

NPI 1225020316

Doctor of Medicine (M.D.)

Dr. Cecily Hamill , MD, PhD

Ophthalmology

NPI 1265676928

Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.)

Dr. James Kim , MD, PhD

Ophthalmology

NPI 1285808642

Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.)

Dr. Vivienne Kong , OD

Optometrist

NPI 1366434441

Doctor of Optometry

Dr. John Constantine , MD

Ophthalmology

NPI 1437157765

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active September 29, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location September 29, 2011

Registered at 19 VILLAGE SQ, CHELMSFORD, MA 018242712 (Tel: 9782565600)

📍

Updated Business Mailing Address September 29, 2011

Registered at 19 VILLAGE SQ, CHELMSFORD, MA 018242712 (Tel: 9782565600)

👤

Provider Name / Credentials Updated September 29, 2011

Recorded as DAVID YI, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 29, 2011

Ophthalmology (License #209741 in MA)

🟢

Initial NPI Registration & Enumeration August 16, 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: 1003808197

Entity Type:

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

Enumeration Date: August 16, 2005

Last Update: September 29, 2011

Sole Proprietor: No

Update or Correct Profile

Mailing Address

19 Village Sq

Chelmsford, MA 018242712

Phone: 9782565600

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.