Active NPI 1346263357 Individual Practitioner Male Practitioner

Dr. Chee Hian Tan , MD, PhD

Ophthalmology • Pasadena, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Chee Tan, MD, PhD is a certified Ophthalmology practicing in Pasadena, CA. With approximately 33 years of clinical experience since completing medical education in 1993, Dr. Tan delivers high-quality medical care to the local community at 625 S FAIR OAKS AVE.

Dr. Tan is affiliated with Richard H. Yook, M.D, Inc. and accepts Medicare assignment.

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

Practice Location & Contact Primary Location

Practice Address

625 S Fair Oaks Ave
Suite 285

Pasadena, CA 911052613

Telephone 6268174747

Fax 6268174748

Associated Practice Facility / Clinic

🏢 The Hill Medical Corporation Facility NPI 1922097914

Medicare Profile & Education

Medical School

Other

Graduation Year

1993

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Pasadena, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

33 Yrs +7.0 yrs vs City Avg

City Avg: 26.0 Yrs

State Avg: 29.5 Yrs

Regional Practice Density

41 Specialists

Practicing in Pasadena, CA (3116 Statewide)

Telehealth Adoption Rate

2.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

69.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Tan (33 Years) 33 Yrs

Pasadena Specialty Average (26.0 Years) 26.0 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	864	572	$160.00	$139.53
92012 Established patient problem focused exam of visual system	553	278	$114.61	$99.11
92134 Imaging of retina	296	246	$150.00	$44.22
92083 Exam of visual field with extended testing	237	193	$100.51	$71.34
92250 Photography of the retina	233	197	$100.43	$39.84
92133 Imaging of optic nerve	232	189	$150.00	$38.47
92136 Measurement of corneal curvature and depth of eye	112	71	$150.00	$51.38
66984 Removal of cataract with insertion of lens	87	56	$3000.00	$583.75
92025 Ct scan of cornea	83	66	$60.00	$37.66
66821 Removal of recurring cataract in lens capsule using a laser	69	54	$1000.00	$368.35
92020 Examination of cornea and iris using lens device and slit lamp	62	41	$50.00	$29.99
92004 New patient complete exam of visual system	45	45	$180.00	$164.38
65855 Laser repair to improve eye fluid flow	41	27	$1100.00	$266.03

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	656	518	$159.95	$143.48
92012 Established patient problem focused exam of visual system	562	279	$110.02	$102.39
92133 Imaging of optic nerve	222	183	$149.86	$39.50
92083 Exam of visual field with extended testing	157	144	$100.32	$72.16
92134 Imaging of retina	143	129	$150.00	$45.68
92250 Photography of the retina	88	83	$100.00	$42.37
92136 Measurement of corneal curvature and depth of eye	87	55	$150.00	$53.46
66984 Removal of cataract with insertion of lens	66	44	$3000.00	$595.49
92020 Examination of cornea and iris using lens device and slit lamp	47	34	$50.00	$31.09
65855 Laser repair to improve eye fluid flow	43	33	$1100.23	$274.28
92004 New patient complete exam of visual system	43	43	$180.00	$169.33
66821 Removal of recurring cataract in lens capsule using a laser	39	30	$1000.00	$371.55

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	638	500	$160.00	$142.51
92012 Established patient problem focused exam of visual system	591	280	$109.93	$100.85
92133 Imaging of optic nerve	172	154	$150.00	$39.15
92083 Exam of visual field with extended testing	166	155	$100.00	$71.62
92136 Measurement of corneal curvature and depth of eye	115	75	$150.00	$56.17
92134 Imaging of retina	108	102	$150.00	$45.22
66984 Removal of cataract with insertion of lens	91	62	$3000.00	$590.58
92004 New patient complete exam of visual system	44	44	$180.00	$168.14
66821 Removal of recurring cataract in lens capsule using a laser	40	33	$1000.00	$355.03
65855 Laser repair to improve eye fluid flow	36	28	$1100.00	$273.04
92020 Examination of cornea and iris using lens device and slit lamp	31	27	$50.00	$31.25
92250 Photography of the retina	30	30	$100.00	$41.90

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	664	504	$160.03	$144.05
92012 Established patient problem focused exam of visual system	534	292	$110.00	$102.49
92133 Imaging of optic nerve	197	167	$150.00	$40.46
92134 Imaging of retina	161	140	$150.00	$46.26
92136 Measurement of corneal curvature and depth of eye	132	87	$150.00	$62.60
92083 Exam of visual field with extended testing	128	121	$100.00	$73.03
66984 Removal of cataract with insertion of lens	124	82	$2985.48	$604.76
92250 Photography of the retina	71	71	$100.00	$44.73
65855 Laser repair to improve eye fluid flow	63	43	$1100.00	$278.28
92004 New patient complete exam of visual system	31	31	$180.00	$170.57
66821 Removal of recurring cataract in lens capsule using a laser	22	18	$1000.00	$380.70
92020 Examination of cornea and iris using lens device and slit lamp	20	16	$50.00	$31.46
92002 New patient problem focused exam of visual system	13	13	$125.00	$98.55

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	637	364	$331.40	$100.52
92014 Established patient complete exam of visual system	528	428	$250.90	$142.93
92083 Exam of visual field with extended testing	154	142	$252.34	$72.68
92134 Imaging of retina	152	132	$165.39	$45.98
92250 Photography of the retina	144	143	$223.26	$50.78
92133 Imaging of optic nerve	132	125	$160.34	$40.51
92136 Measurement of corneal curvature and depth of eye	91	60	$160.44	$71.65
66984 Removal of cataract with insertion of lens	89	59	$2753.76	$606.81
92020 Examination of cornea and iris using lens device and slit lamp	44	44	$135.68	$30.93
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	37	37	$63.38	$26.31
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	36	32	$73.06	$33.42
92004 New patient complete exam of visual system	31	31	$446.13	$169.39
65855 Laser repair to improve eye fluid flow	29	24	$1377.59	$278.19
66250 Revision or repair of operative wound of eye	25	16	$2860.00	$734.33
66761 Creation of eye fluid drainage tracts in iris using a laser, per session	19	13	$1147.89	$342.50
76514 Ultrasound scan of cornea to determine thickness	12	12	$112.08	$12.50

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	753	338	$573.76	$99.72
92083 Exam of visual field with extended testing	268	218	$445.00	$73.00
92014 Established patient complete exam of visual system	235	216	$800.53	$142.83
92250 Photography of the retina	220	216	$453.39	$53.93
92020 Examination of cornea and iris using lens device and slit lamp	133	117	$180.00	$30.90
76514 Ultrasound scan of cornea to determine thickness	87	87	$120.00	$13.14
92134 Imaging of retina	86	59	$280.00	$45.98
92004 New patient complete exam of visual system	60	60	$1005.00	$168.03
65855 Laser repair to improve eye fluid flow	52	39	$1905.00	$278.58
92133 Imaging of optic nerve	40	39	$255.00	$39.39
66761 Creation of eye fluid drainage tracts in iris using a laser, per session	27	15	$2010.00	$341.57
92136 Measurement of corneal curvature and depth of eye	24	17	$625.00	$80.89
66250 Revision or repair of operative wound of eye	24	20	$5100.00	$733.74
66984 Removal of cataract with insertion of lens	18	14	$4206.39	$717.49
66710 Destruction of lens tissue using laser	18	17	$2965.00	$409.72
66170 Creation of eye fluid drainage tract	14	13	$7360.00	$1232.96
92002 New patient problem focused exam of visual system	11	11	$570.00	$95.67

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	736	295	$580.00	$97.96
92083 Exam of visual field with extended testing	265	210	$445.00	$73.03
92250 Photography of the retina	158	155	$455.00	$58.80
92014 Established patient complete exam of visual system	145	130	$835.00	$139.19
92020 Examination of cornea and iris using lens device and slit lamp	136	126	$180.00	$29.31
92134 Imaging of retina	79	56	$280.00	$46.44
92004 New patient complete exam of visual system	78	78	$1005.00	$164.85
76514 Ultrasound scan of cornea to determine thickness	52	52	$120.00	$15.91
66984 Removal of cataract with insertion of lens	44	28	$4295.00	$627.94
66250 Revision or repair of operative wound of eye	39	27	$5100.00	$830.59
65855 Laser repair to improve eye fluid flow	34	22	$1905.00	$274.39
92133 Imaging of optic nerve	32	31	$255.00	$40.37
66170 Creation of eye fluid drainage tract	22	21	$7360.00	$1154.17
92136 Measurement of corneal curvature and depth of eye	20	20	$625.00	$87.11
92002 New patient problem focused exam of visual system	11	11	$570.00	$94.07

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	619	212	$529.08	$94.96
92083 Exam of visual field with extended testing	242	171	$407.55	$70.07
92014 Established patient complete exam of visual system	127	106	$768.92	$137.38
92250 Photography of the retina	109	107	$432.16	$73.98
92020 Examination of cornea and iris using lens device and slit lamp	93	88	$164.26	$29.46
66250 Revision or repair of operative wound of eye	92	49	$4710.03	$806.95
92134 Imaging of retina	72	53	$268.42	$45.11
76514 Ultrasound scan of cornea to determine thickness	69	69	$95.09	$15.47
92004 New patient complete exam of visual system	55	55	$928.47	$162.63
92136 Measurement of corneal curvature and depth of eye	39	35	$568.79	$102.42
66170 Creation of eye fluid drainage tract	37	31	$6992.43	$1193.50
66984 Removal of cataract with insertion of lens	37	26	$3981.49	$628.10
65855 Laser repair to improve eye fluid flow	36	22	$1905.00	$269.93
J9190 Injection, fluorouracil, 500 mg	35	26	$15.00	$1.72
92133 Imaging of optic nerve	31	31	$251.93	$40.00
67028 Injection of drug into eye	29	23	$615.34	$55.87
66172 Creation of eye fluid drainage tract	12	12	$8435.00	$1216.41

Medical Specialties & State Licenses

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License CA A111014

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

Richard H. Yook, M.d, Inc.

18137 Parthenia St, Northridge, CA 913253301

Phone: 8189935410

Practice Associates & Co-Workers

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

19 Associated Practitioners

Samuel Spiegel

Ophthalmology - Neuro-ophthalmology

NPI 1043742695

Dr. Nariman Nassiri , MD

Ophthalmology

NPI 1174056857

Doctor of Medicine (M.D.)

Dr. Victoria Yom , MD

Ophthalmology

NPI 1194088401

Doctor of Medicine (M.D.)

Dr. John Irvine , MD

Ophthalmology

NPI 1316009103

Doctor of Medicine (M.D.)

Dr. Hugo Hsu , MD

Ophthalmology

NPI 1336153816

Doctor of Medicine (M.D.)

Dr. Ali Mahdavi Fard , MD

Ophthalmology

NPI 1346737178

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 January 16, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location January 16, 2015

Registered at 625 S FAIR OAKS AVE, SUITE 285, PASADENA, CA 911052613 (Tel: 6268174747)

📍

Updated Business Mailing Address January 16, 2015

Registered at 800 FAIRMOUNT AVE, SUITE 215, PASADENA, CA 911053150 (Tel: 6268174701)

👤

Provider Name / Credentials Updated January 16, 2015

Recorded as CHEE TAN, M.D., PH.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 16, 2015

Ophthalmology (License #A111014 in CA)

🟢

Initial NPI Registration & Enumeration July 25, 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: 1346263357

Entity Type:

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

Enumeration Date: July 25, 2006

Last Update: January 16, 2015

Sole Proprietor: No

Update or Correct Profile

Mailing Address

800 Fairmount Ave, Suite 215

Pasadena, CA 911053150

Phone: 6268174701

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.