Active NPI 1477555985 Individual Practitioner Male Practitioner

Dr. Thomas Boo-Hun Choi , MD

Ophthalmology • Downey, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Thomas Choi, MD is a certified Ophthalmology practicing in Downey, CA. With approximately 37 years of clinical experience since graduating from University Of California, Geffen School Of Medicine in 1989, Dr. Choi delivers high-quality medical care to the local community at 10800 PARAMOUNT BLVD.

Dr. Choi accepts Medicare assignment.

Frequently performed procedures and clinical services include examination of cornea and iris using lens device and slit lamp, imaging of retina, 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

10800 Paramount Blvd
Suite 304

Downey, CA 902413331

Telephone 5626223937

Fax 5626220040

Associated Practice Facility / Clinic

🏢 Community Medical Group Of Downey, Inc. Facility NPI 1174591259

Medicare Profile & Education

Medical School

University Of California, Geffen School Of Medicine

Graduation Year

1989

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Downey, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

37 Yrs +5.3 yrs vs City Avg

City Avg: 31.7 Yrs

State Avg: 29.5 Yrs

Regional Practice Density

7 Specialists

Practicing in Downey, CA (3116 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

76.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Choi (37 Years) 37 Yrs

Downey Specialty Average (31.7 Years) 31.7 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
92020 Examination of cornea and iris using lens device and slit lamp	598	425	$65.10	$28.75
92134 Imaging of retina	513	386	$125.00	$42.62
92133 Imaging of optic nerve	463	360	$115.00	$38.36
92014 Established patient complete exam of visual system	437	340	$235.09	$133.84
92250 Photography of the retina	93	87	$131.88	$38.98
92136 Measurement of corneal curvature and depth of eye	82	53	$144.76	$43.41
99213 Established patient office or other outpatient visit, typically 15 minutes	69	58	$190.80	$94.27
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	66	58	$225.00	$133.03
92004 New patient complete exam of visual system	59	59	$255.00	$157.42
66821 Removal of recurring cataract in lens capsule using a laser	48	31	$1000.00	$352.55
68810 Insertion of probe into nasal tear duct	45	37	$297.38	$170.68
65820 Incision to improve eye fluid flow	43	24	$3500.00	$864.28
66982 Complex removal of cataract with insertion of prosthetic lens	36	24	$3500.00	$529.12
92025 Ct scan of cornea	32	28	$120.00	$37.96
66984 Removal of cataract with insertion of lens	30	17	$3000.00	$362.87
92202 Extended exam of the back part of the eye with optic nerve drawing	20	19	$70.00	$15.79

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92020 Examination of cornea and iris using lens device and slit lamp	673	505	$64.99	$30.54
92134 Imaging of retina	588	468	$125.00	$44.72
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	359	334	$225.00	$138.81
92133 Imaging of optic nerve	309	266	$115.00	$40.72
92014 Established patient complete exam of visual system	216	202	$230.76	$141.01
92136 Measurement of corneal curvature and depth of eye	122	79	$142.24	$45.77
66984 Removal of cataract with insertion of lens	85	51	$3000.00	$478.22
99213 Established patient office or other outpatient visit, typically 15 minutes	84	72	$190.00	$98.33
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	65	65	$250.00	$179.74
65820 Incision to improve eye fluid flow	43	27	$3500.00	$912.72
92250 Photography of the retina	41	38	$132.20	$40.85
92004 New patient complete exam of visual system	31	31	$255.00	$166.68
92025 Ct scan of cornea	30	28	$120.00	$39.94
68810 Insertion of probe into nasal tear duct	29	29	$295.62	$180.24
66821 Removal of recurring cataract in lens capsule using a laser	27	19	$1000.00	$370.99
66982 Complex removal of cataract with insertion of prosthetic lens	19	13	$3500.00	$593.36
92202 Extended exam of the back part of the eye with optic nerve drawing	17	17	$70.00	$16.81
92285 Photography of content of eyes	12	12	$100.00	$26.73

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92020 Examination of cornea and iris using lens device and slit lamp	810	604	$69.70	$31.24
92134 Imaging of retina	659	526	$125.00	$45.35
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	586	464	$224.99	$141.15
99213 Established patient office or other outpatient visit, typically 15 minutes	162	126	$190.00	$99.45
92136 Measurement of corneal curvature and depth of eye	122	81	$139.75	$47.55
92014 Established patient complete exam of visual system	116	116	$220.04	$141.80
92133 Imaging of optic nerve	112	103	$115.09	$41.31
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	90	90	$250.00	$180.87
66984 Removal of cataract with insertion of lens	69	46	$3000.00	$559.09
68810 Insertion of probe into nasal tear duct	59	51	$294.83	$182.55
76514 Ultrasound scan of cornea to determine thickness	42	39	$30.00	$12.25
66982 Complex removal of cataract with insertion of prosthetic lens	36	27	$3791.67	$770.41
66821 Removal of recurring cataract in lens capsule using a laser	33	22	$1000.00	$373.32
92250 Photography of the retina	32	32	$129.84	$41.37
92004 New patient complete exam of visual system	29	29	$255.00	$167.72
92012 Established patient problem focused exam of visual system	28	26	$185.00	$100.48
92025 Ct scan of cornea	22	20	$106.59	$40.74

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92020 Examination of cornea and iris using lens device and slit lamp	720	560	$69.97	$31.42
92134 Imaging of retina	591	482	$124.71	$46.08
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	393	345	$220.92	$143.61
92014 Established patient complete exam of visual system	216	207	$224.58	$143.86
99213 Established patient office or other outpatient visit, typically 15 minutes	180	136	$181.64	$101.43
92133 Imaging of optic nerve	131	117	$114.24	$42.08
92136 Measurement of corneal curvature and depth of eye	124	87	$141.94	$52.88
92012 Established patient problem focused exam of visual system	102	97	$186.37	$102.35
66984 Removal of cataract with insertion of lens	73	50	$3000.00	$603.80
92004 New patient complete exam of visual system	63	63	$254.52	$170.37
76514 Ultrasound scan of cornea to determine thickness	63	58	$30.00	$12.68
92250 Photography of the retina	47	46	$147.02	$44.50
66982 Complex removal of cataract with insertion of prosthetic lens	42	33	$4000.00	$818.42
66821 Removal of recurring cataract in lens capsule using a laser	39	26	$1000.00	$380.12
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	34	34	$250.00	$184.79
68810 Insertion of probe into nasal tear duct	29	23	$293.10	$185.62
92083 Exam of visual field with extended testing	22	21	$150.00	$72.93
67961 Removal of up to 1/4 of eyelid margin and repair of eyelid	18	12	$1833.33	$434.00
92285 Photography of content of eyes	15	14	$99.33	$26.96
92002 New patient problem focused exam of visual system	11	11	$184.09	$98.43

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92020 Examination of cornea and iris using lens device and slit lamp	782	585	$70.04	$31.00
92014 Established patient complete exam of visual system	668	508	$218.01	$142.62
92134 Imaging of retina	474	424	$119.67	$45.95
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	176	143	$200.68	$119.83
99213 Established patient office or other outpatient visit, typically 15 minutes	129	97	$155.74	$82.40
76514 Ultrasound scan of cornea to determine thickness	115	103	$39.41	$13.16
92136 Measurement of corneal curvature and depth of eye	95	68	$146.05	$60.27
92004 New patient complete exam of visual system	94	94	$263.72	$169.63
92250 Photography of the retina	91	90	$152.69	$50.45
92133 Imaging of optic nerve	51	48	$112.35	$41.41
66984 Removal of cataract with insertion of lens	50	36	$3000.00	$609.34
68810 Insertion of probe into nasal tear duct	48	41	$291.21	$181.41
66982 Complex removal of cataract with insertion of prosthetic lens	30	21	$4000.00	$778.84
66821 Removal of recurring cataract in lens capsule using a laser	28	22	$1000.00	$376.84
67961 Removal of up to 1/4 of eyelid margin and repair of eyelid	23	16	$1717.39	$429.71
76519 Ultrasound of eye for determination of lens power	12	12	$145.42	$76.54
92060 Exam to measure eye deviation and range of motion	12	12	$95.17	$72.24
92025 Ct scan of cornea	11	11	$79.09	$41.75
92285 Photography of content of eyes	11	11	$100.00	$25.61

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92020 Examination of cornea and iris using lens device and slit lamp	865	640	$69.98	$29.71
92014 Established patient complete exam of visual system	848	612	$205.11	$137.15
92134 Imaging of retina	452	411	$110.00	$44.32
92225 Examination of eye by ophthalmoscope with retinal drawing	406	188	$70.00	$29.65
99213 Established patient office or other outpatient visit, typically 15 minutes	288	184	$150.00	$78.97
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	223	188	$195.04	$114.92
92250 Photography of the retina	149	146	$159.19	$54.91
76514 Ultrasound scan of cornea to determine thickness	135	122	$30.37	$13.27
92136 Measurement of corneal curvature and depth of eye	127	89	$144.09	$63.78
92004 New patient complete exam of visual system	123	123	$250.00	$163.82
66984 Removal of cataract with insertion of lens	104	69	$3000.00	$685.56
68810 Insertion of probe into nasal tear duct	69	58	$294.72	$171.98
92133 Imaging of optic nerve	58	55	$110.00	$40.18
67820 Removal of eyelashes using forceps	49	35	$96.00	$35.11
66821 Removal of recurring cataract in lens capsule using a laser	41	32	$1000.00	$356.73
92060 Exam to measure eye deviation and range of motion	29	28	$94.31	$70.03
92083 Exam of visual field with extended testing	25	25	$150.00	$70.56
92012 Established patient problem focused exam of visual system	21	21	$150.00	$96.05
66982 Complex removal of cataract with insertion of prosthetic lens	19	15	$4052.63	$848.70
67961 Removal of up to 1/4 of eyelid margin and repair of eyelid	16	12	$1687.50	$412.32
66762 Creation of opening of iris for eye fluid drainage using a laser	15	11	$1500.00	$517.76
76519 Ultrasound of eye for determination of lens power	13	13	$150.00	$72.80

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	875	642	$202.63	$133.42
92020 Examination of cornea and iris using lens device and slit lamp	870	664	$69.66	$28.12
92225 Examination of eye by ophthalmoscope with retinal drawing	749	330	$68.55	$28.47
92134 Imaging of retina	281	268	$109.82	$43.94
99213 Established patient office or other outpatient visit, typically 15 minutes	268	177	$149.44	$75.63
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	267	218	$194.63	$111.48
92250 Photography of the retina	253	238	$159.15	$61.34
92004 New patient complete exam of visual system	156	156	$249.49	$159.30
92083 Exam of visual field with extended testing	93	92	$148.92	$68.98
92136 Measurement of corneal curvature and depth of eye	85	59	$140.88	$67.68
92060 Exam to measure eye deviation and range of motion	74	64	$95.00	$68.53
66984 Removal of cataract with insertion of lens	72	48	$3000.00	$669.81
68810 Insertion of probe into nasal tear duct	69	59	$284.22	$163.00
92133 Imaging of optic nerve	57	56	$109.47	$39.90
76514 Ultrasound scan of cornea to determine thickness	44	44	$30.00	$15.85
68761 Closure of tear duct opening using plug	31	14	$241.94	$117.74
66762 Creation of opening of iris for eye fluid drainage using a laser	27	17	$1500.00	$504.46
66821 Removal of recurring cataract in lens capsule using a laser	22	18	$1000.00	$342.71
67961 Removal of up to 1/4 of eyelid margin and repair of eyelid	21	14	$1857.14	$409.44
92012 Established patient problem focused exam of visual system	17	17	$150.00	$92.84
66982 Complex removal of cataract with insertion of prosthetic lens	15	11	$4066.67	$829.32
76519 Ultrasound of eye for determination of lens power	14	14	$150.00	$80.27
67820 Removal of eyelashes using forceps	14	14	$96.00	$41.93

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	956	695	$177.63	$132.48
92020 Examination of cornea and iris using lens device and slit lamp	927	684	$50.06	$28.63
92225 Examination of eye by ophthalmoscope with retinal drawing	723	329	$50.43	$28.57
92134 Imaging of retina	381	342	$92.13	$43.90
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	311	250	$163.57	$113.23
99213 Established patient office or other outpatient visit, typically 15 minutes	236	168	$114.34	$77.12
92004 New patient complete exam of visual system	144	144	$225.17	$159.24
92250 Photography of the retina	142	136	$140.74	$71.90
92083 Exam of visual field with extended testing	119	115	$125.00	$70.00
92136 Measurement of corneal curvature and depth of eye	78	58	$125.90	$76.74
68810 Insertion of probe into nasal tear duct	75	65	$294.72	$169.49
92133 Imaging of optic nerve	75	69	$91.87	$40.30
66984 Removal of cataract with insertion of lens	72	50	$3000.00	$679.15
66821 Removal of recurring cataract in lens capsule using a laser	59	41	$1000.00	$354.11
92060 Exam to measure eye deviation and range of motion	55	53	$95.36	$70.17
92012 Established patient problem focused exam of visual system	30	28	$125.00	$91.68
67961 Removal of up to 1/4 of eyelid margin and repair of eyelid	16	14	$2000.00	$468.86

Medical Specialties & State Licenses

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License CA G69677

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

00G696770 (CA)

Practice Associates & Co-Workers

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

13 Associated Practitioners

Dr. J. Wilcox , DDS

Dentist

NPI 1033305693

Doctor of Dental Surgery

Dr. Steven Nagelberg , MD

Specialist

NPI 1114060720

Doctor of Medicine (M.D.)

Dr. Domingo Barrientos , MD

Internal Medicine

NPI 1184685281

Doctor of Medicine (M.D.)

Dr. Mark Adriatico , MD

Internal Medicine

NPI 1194913608

Doctor of Medicine (M.D.)

Dr. Donna Wong , DO

Family Medicine

NPI 1215953211

Doctor of Osteopathic Medicine (D.O.)

Daphne Allison , AMFT

Marriage & Family Therapist

NPI 1265390652

Associate Marriage and Family Therapist

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 10800 PARAMOUNT BLVD, SUITE 304, DOWNEY, CA 902413331 (Tel: 5626223937)

📍

Updated Business Mailing Address July 08, 2007

Registered at 10800 PARAMOUNT BLVD, SUITE 304, DOWNEY, CA 902413331 (Tel: 5626223937)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as THOMAS CHOI, M.D.

🎓

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

Ophthalmology (License #G69677 in CA)

🟢

Initial NPI Registration & Enumeration August 15, 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: 1477555985

Entity Type:

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

Enumeration Date: August 15, 2005

Last Update: July 08, 2007

Sole Proprietor: No

Update or Correct Profile

Mailing Address

10800 Paramount Blvd, Suite 304

Downey, CA 902413331

Phone: 5626223937

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.