Active NPI 1942208160 Individual Practitioner Male Practitioner

Dr. Kent A Karren , MD

Ophthalmology • Eugene, OR

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Kent Karren, MD is a certified Ophthalmology practicing in Eugene, OR. With approximately 40 years of clinical experience since graduating from Medical College Of Wisconsin in 1986, Dr. Karren delivers high-quality medical care to the local community at 1550 OAK ST.

Dr. Karren is affiliated with Sharon Richens Md Eye Physician And Surgeon Pc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, imaging of retina, established 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

1550 Oak St
Suite #3

Eugene, OR 974017701

Telephone 5416832020

Fax 5416831509

Associated Practice Facility / Clinic

🏢 Oregon Eye Surgery Center, Inc Facility NPI 1316932122

Medicare Profile & Education

Medical School

Medical College Of Wisconsin

Graduation Year

1986

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Eugene, OR

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

40 Yrs +17.7 yrs vs City Avg

City Avg: 22.3 Yrs

State Avg: 22.4 Yrs

Regional Practice Density

32 Specialists

Practicing in Eugene, OR (341 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

63.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Karren (40 Years) 40 Yrs

Eugene Specialty Average (22.3 Years) 22.3 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
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	340	319	$190.00	$121.96
99213 Established patient office or other outpatient visit, typically 15 minutes	226	165	$120.00	$86.21
92134 Imaging of retina	192	182	$125.00	$37.93
92014 Established patient complete exam of visual system	98	97	$210.00	$118.48
92133 Imaging of optic nerve	88	79	$125.00	$33.54
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	71	71	$340.00	$159.37
92083 Exam of visual field with extended testing	56	52	$180.00	$59.12
66821 Removal of recurring cataract in lens capsule using a laser	48	40	$745.00	$290.39
66984 Removal of cataract with insertion of lens	40	25	$2000.00	$504.12
92004 New patient complete exam of visual system	33	33	$250.00	$138.31
92012 Established patient problem focused exam of visual system	23	23	$140.00	$83.37
92250 Photography of the retina	22	19	$130.00	$34.82
92136 Measurement of corneal curvature and depth of eye	15	14	$185.00	$43.91
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	15	14	$110.00	$53.42
67820 Removal of eyelashes using forceps	13	11	$135.00	$18.43
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$225.00	$106.25

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	273	260	$259.51	$122.71
92014 Established patient complete exam of visual system	157	157	$248.70	$120.38
92134 Imaging of retina	136	136	$118.51	$38.44
99213 Established patient office or other outpatient visit, typically 15 minutes	115	103	$165.65	$86.36
92133 Imaging of optic nerve	89	88	$110.17	$34.44
92083 Exam of visual field with extended testing	68	68	$175.76	$59.93
66984 Removal of cataract with insertion of lens	53	32	$1831.29	$512.28
92136 Measurement of corneal curvature and depth of eye	41	29	$157.20	$35.10
92004 New patient complete exam of visual system	30	30	$250.00	$141.55
92250 Photography of the retina	28	27	$130.00	$35.11
92012 Established patient problem focused exam of visual system	28	27	$142.14	$84.75
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	25	25	$338.56	$159.35
66821 Removal of recurring cataract in lens capsule using a laser	16	12	$746.12	$292.33
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	16	16	$143.75	$53.84

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	483	403	$289.81	$124.12
92014 Established patient complete exam of visual system	270	268	$334.00	$123.34
92134 Imaging of retina	265	249	$111.00	$39.15
99213 Established patient office or other outpatient visit, typically 15 minutes	252	188	$208.69	$87.92
92133 Imaging of optic nerve	194	182	$101.00	$35.02
92136 Measurement of corneal curvature and depth of eye	140	65	$177.66	$27.14
92083 Exam of visual field with extended testing	110	110	$174.00	$60.75
66984 Removal of cataract with insertion of lens	79	48	$1303.33	$509.06
83861 Microfluid analysis of tears	58	30	$40.00	$22.29
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	44	44	$162.22	$54.81
92004 New patient complete exam of visual system	43	43	$370.16	$146.15
92025 Ct scan of cornea	36	32	$102.00	$32.90
66821 Removal of recurring cataract in lens capsule using a laser	33	29	$747.43	$296.35
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	26	26	$442.00	$161.57
76514 Ultrasound scan of cornea to determine thickness	22	22	$27.78	$10.67

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	618	526	$290.07	$126.98
99213 Established patient office or other outpatient visit, typically 15 minutes	294	194	$197.00	$89.59
92134 Imaging of retina	266	258	$110.91	$39.69
92133 Imaging of optic nerve	205	195	$100.95	$35.80
92136 Measurement of corneal curvature and depth of eye	190	66	$242.00	$29.24
92083 Exam of visual field with extended testing	146	138	$174.00	$62.06
92014 Established patient complete exam of visual system	137	137	$333.82	$125.06
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	125	125	$441.71	$164.15
66984 Removal of cataract with insertion of lens	92	61	$1429.45	$527.58
83861 Microfluid analysis of tears	74	36	$53.84	$22.48
92025 Ct scan of cornea	57	51	$102.00	$33.27
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	49	45	$131.03	$55.14
66821 Removal of recurring cataract in lens capsule using a laser	42	36	$863.74	$304.60
92012 Established patient problem focused exam of visual system	29	26	$229.70	$88.19
66982 Complex removal of cataract with insertion of prosthetic lens	24	19	$1983.92	$729.10
92020 Examination of cornea and iris using lens device and slit lamp	17	17	$72.44	$27.62
92004 New patient complete exam of visual system	16	16	$402.00	$148.96
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$288.44	$109.48

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	475	398	$254.71	$107.56
92014 Established patient complete exam of visual system	329	314	$271.79	$125.34
92134 Imaging of retina	279	274	$142.61	$39.70
92136 Measurement of corneal curvature and depth of eye	244	91	$207.96	$31.98
92133 Imaging of optic nerve	189	177	$136.90	$36.08
99213 Established patient office or other outpatient visit, typically 15 minutes	160	92	$183.95	$73.55
92012 Established patient problem focused exam of visual system	131	91	$193.37	$87.90
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	125	125	$444.50	$162.70
92083 Exam of visual field with extended testing	125	120	$209.28	$62.64
83861 Microfluid analysis of tears	86	42	$48.19	$22.40
66984 Removal of cataract with insertion of lens	86	60	$2401.67	$521.95
92025 Ct scan of cornea	67	59	$138.67	$33.97
66821 Removal of recurring cataract in lens capsule using a laser	40	34	$1024.25	$313.70
66982 Complex removal of cataract with insertion of prosthetic lens	28	19	$3025.25	$733.04
92020 Examination of cornea and iris using lens device and slit lamp	23	22	$83.74	$27.71
67820 Removal of eyelashes using forceps	16	13	$159.00	$27.23
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	15	15	$105.27	$44.75
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	15	15	$282.00	$105.91
76514 Ultrasound scan of cornea to determine thickness	15	15	$50.33	$11.30

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	497	464	$232.00	$106.82
92014 Established patient complete exam of visual system	360	321	$237.00	$125.54
92134 Imaging of retina	303	291	$160.00	$39.84
99213 Established patient office or other outpatient visit, typically 15 minutes	241	175	$173.00	$72.47
92136 Measurement of corneal curvature and depth of eye	221	106	$187.00	$45.68
92133 Imaging of optic nerve	157	151	$160.00	$35.52
83861 Microfluid analysis of tears	146	73	$44.00	$22.03
66984 Removal of cataract with insertion of lens	134	90	$2850.00	$606.96
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	121	121	$446.00	$162.64
92025 Ct scan of cornea	98	84	$165.00	$35.11
92083 Exam of visual field with extended testing	92	87	$237.00	$63.38
92012 Established patient problem focused exam of visual system	71	60	$173.00	$87.47
66821 Removal of recurring cataract in lens capsule using a laser	66	55	$1108.18	$317.41
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	48	48	$270.00	$106.92
76514 Ultrasound scan of cornea to determine thickness	20	19	$55.00	$12.12
66982 Complex removal of cataract with insertion of prosthetic lens	19	13	$3360.00	$776.21
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	12	11	$95.00	$42.09
67820 Removal of eyelashes using forceps	11	11	$165.00	$31.13
92020 Examination of cornea and iris using lens device and slit lamp	11	11	$92.00	$27.52

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	679	627	$232.00	$105.65
99213 Established patient office or other outpatient visit, typically 15 minutes	352	253	$173.00	$71.45
92134 Imaging of retina	334	319	$160.00	$40.74
92014 Established patient complete exam of visual system	290	270	$237.00	$123.75
92133 Imaging of optic nerve	193	179	$160.00	$35.78
92136 Measurement of corneal curvature and depth of eye	191	135	$187.00	$60.62
66984 Removal of cataract with insertion of lens	162	109	$2850.00	$559.38
83861 Microfluid analysis of tears	133	61	$44.00	$22.03
92083 Exam of visual field with extended testing	131	125	$237.00	$62.86
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	99	99	$270.00	$104.33
66821 Removal of recurring cataract in lens capsule using a laser	83	67	$1060.00	$304.84
92025 Ct scan of cornea	70	60	$165.00	$34.84
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	70	70	$446.00	$161.02
66821 Removal of recurring cataract in lens capsule using a laser	45	37	$1083.56	$311.31
66982 Complex removal of cataract with insertion of prosthetic lens	37	26	$3360.00	$732.88
92004 New patient complete exam of visual system	34	34	$286.00	$148.34
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	26	24	$95.00	$42.84
65820 Incision to improve eye fluid flow	19	15	$1993.26	$621.18
99202 New patient office or other outpatient visit, typically 20 minutes	15	15	$176.00	$73.27
67820 Removal of eyelashes using forceps	14	12	$176.79	$41.17

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	837	798	$232.05	$104.24
99213 Established patient office or other outpatient visit, typically 15 minutes	397	283	$173.00	$70.89
92134 Imaging of retina	301	292	$160.00	$39.55
92136 Measurement of corneal curvature and depth of eye	190	131	$187.00	$64.14
83861 Microfluid analysis of tears	170	83	$44.00	$22.21
92133 Imaging of optic nerve	167	164	$160.00	$35.77
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	156	156	$270.00	$104.57
66984 Removal of cataract with insertion of lens	152	104	$2850.00	$576.87
92083 Exam of visual field with extended testing	97	94	$237.00	$62.58
66821 Removal of recurring cataract in lens capsule using a laser	70	56	$1060.00	$298.90
66821 Removal of recurring cataract in lens capsule using a laser	68	53	$1060.00	$297.62
92025 Ct scan of cornea	68	58	$165.00	$34.01
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	44	39	$95.34	$42.37
92014 Established patient complete exam of visual system	40	40	$237.00	$120.61
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	37	37	$446.00	$159.77
68200 Injection into conjunctiva	35	26	$195.00	$17.03
66982 Complex removal of cataract with insertion of prosthetic lens	26	22	$3360.00	$681.07
99202 New patient office or other outpatient visit, typically 20 minutes	23	23	$176.00	$73.04
92082 Exam of visual field with intermediate testing	11	11	$204.00	$47.16

Medical Specialties & State Licenses

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License OR MD 22688

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

288291 (OR)

Commercial Insurance / Payer ID Railroad Medicare

180040730

Commercial Insurance / Payer ID Railroad Medicare

180043374

Hospital & Practice Group Affiliations

Sharon Richens Md Eye Physician And Surgeon Pc

161 W 200, Saint George, UT 847707386

Phone: 4356524040

Sharon Richens Md Eye Physician And Surgeon Pc

1301 Bertha Howe Ave, Mesquite, NV 890277522

Phone: 7023462950

Practice Associates & Co-Workers

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

6 Associated Practitioners

Dr. Lee Azpiroz , OD

Optometrist

NPI 1184622300

Doctor of Optometry

Dr. Brian Walker , MD

Ophthalmology

NPI 1386140101

Doctor of Medicine (M.D.)

Dr. Robert Davis , MD

Ophthalmology

NPI 1427056654

Doctor of Medicine (M.D.)

Dr. Denise Maier , OD

Optometrist

NPI 1477517704

Doctor of Optometry

Dr. Hana Takusagawa , MD

Ophthalmology - Glaucoma Specialist

NPI 1811158819

Doctor of Medicine (M.D.)

Dr. John Haines , MD

Ophthalmology

NPI 1912906496

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 June 11, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location June 11, 2012

Registered at 1550 OAK ST, SUITE #3, EUGENE, OR 974017701 (Tel: 5416832020)

📍

Updated Business Mailing Address June 11, 2012

Registered at 1550 OAK ST, SUITE #3, EUGENE, OR 974017701 (Tel: 5416832020)

👤

Provider Name / Credentials Updated June 11, 2012

Recorded as KENT KARREN, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 11, 2012

Ophthalmology (License #MD 22688 in OR)

🟢

Initial NPI Registration & Enumeration July 12, 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: 1942208160

Entity Type:

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

Enumeration Date: July 12, 2005

Last Update: June 11, 2012

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1550 Oak St, Suite #3

Eugene, OR 974017701

Phone: 5416832020

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.