Active NPI 1851387344 Individual Practitioner Male Practitioner

Dr. James J Koster , MD

Ophthalmology • Phoenix, AZ

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. James Koster, MD is a certified Ophthalmology practicing in Phoenix, AZ. With approximately 27 years of clinical experience since graduating from University Of Arizona College Of Medicine in 1999, Dr. Koster delivers high-quality medical care to the local community at 300 E OSBORN RD STE 100.

Dr. Koster is affiliated with Associated Ophthalmologists Ltd and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient complete exam of visual system, measurement of corneal curvature and depth of eye, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

300 E Osborn Rd Ste 100

Phoenix, AZ 850122347

Telephone 4809945012

Fax 4809949479

Associated Practice Facility / Clinic

🏢 Associated Ophthalmologists Ltd Facility NPI 1487704581

Medicare Profile & Education

Medical School

University Of Arizona College Of Medicine

Graduation Year

1999

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Phoenix, AZ

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

27 Yrs +2.9 yrs vs City Avg

City Avg: 24.1 Yrs

State Avg: 27.4 Yrs

Regional Practice Density

100 Specialists

Practicing in Phoenix, AZ (384 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

59.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Koster (27 Years) 27 Yrs

Phoenix Specialty Average (24.1 Years) 24.1 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	1,122	1,049	$175.00	$125.99
92136 Measurement of corneal curvature and depth of eye	451	206	$71.42	$25.31
99213 Established patient office or other outpatient visit, typically 15 minutes	360	209	$125.00	$91.59
66984 Removal of cataract with insertion of lens	277	169	$2000.00	$522.99
92083 Exam of visual field with extended testing	181	178	$125.00	$63.29
92133 Imaging of optic nerve	159	159	$150.00	$33.51
92250 Photography of the retina	152	150	$125.00	$36.96
92134 Imaging of retina	139	131	$150.00	$39.59
92004 New patient complete exam of visual system	116	116	$210.00	$148.07
66821 Removal of recurring cataract in lens capsule using a laser	113	82	$600.00	$304.11
92012 Established patient problem focused exam of visual system	37	35	$125.00	$89.55
76514 Ultrasound scan of cornea to determine thickness	27	27	$50.00	$10.62
92025 Ct scan of cornea	13	13	$50.00	$36.33
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$200.00	$167.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	1,078	1,017	$175.00	$123.49
92136 Measurement of corneal curvature and depth of eye	411	200	$74.23	$24.17
99213 Established patient office or other outpatient visit, typically 15 minutes	305	219	$125.00	$88.22
66984 Removal of cataract with insertion of lens	236	156	$2000.00	$510.22
92250 Photography of the retina	204	201	$125.00	$36.27
92134 Imaging of retina	177	164	$150.00	$37.53
92083 Exam of visual field with extended testing	175	169	$125.00	$60.73
92004 New patient complete exam of visual system	150	150	$210.00	$146.66
92133 Imaging of optic nerve	134	132	$150.00	$32.91
66821 Removal of recurring cataract in lens capsule using a laser	121	89	$600.00	$298.37
92012 Established patient problem focused exam of visual system	52	48	$125.00	$87.95
76514 Ultrasound scan of cornea to determine thickness	35	35	$50.00	$10.48
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	25	25	$200.00	$163.22
92025 Ct scan of cornea	13	13	$50.00	$35.53

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	1,042	985	$152.16	$123.80
92136 Measurement of corneal curvature and depth of eye	453	203	$72.52	$25.82
66984 Removal of cataract with insertion of lens	270	166	$2000.00	$500.22
92004 New patient complete exam of visual system	200	200	$177.82	$146.80
99213 Established patient office or other outpatient visit, typically 15 minutes	158	112	$99.94	$85.53
92083 Exam of visual field with extended testing	150	147	$111.80	$60.47
92250 Photography of the retina	145	144	$113.00	$35.81
92012 Established patient problem focused exam of visual system	136	110	$106.43	$87.17
92133 Imaging of optic nerve	134	132	$150.00	$32.90
92134 Imaging of retina	121	114	$150.00	$38.52
66821 Removal of recurring cataract in lens capsule using a laser	119	88	$600.00	$300.31
76514 Ultrasound scan of cornea to determine thickness	27	26	$50.00	$10.65
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$193.33	$164.50
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	11	11	$71.36	$55.53

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	1,074	1,014	$140.00	$125.32
92136 Measurement of corneal curvature and depth of eye	450	201	$73.73	$27.82
66984 Removal of cataract with insertion of lens	257	166	$2000.00	$527.13
92004 New patient complete exam of visual system	190	190	$165.00	$149.57
99213 Established patient office or other outpatient visit, typically 15 minutes	189	137	$85.00	$85.69
92250 Photography of the retina	181	174	$105.00	$38.19
92012 Established patient problem focused exam of visual system	149	111	$100.00	$88.26
92083 Exam of visual field with extended testing	144	138	$105.00	$61.72
92133 Imaging of optic nerve	132	131	$150.00	$33.65
66821 Removal of recurring cataract in lens capsule using a laser	105	81	$600.00	$307.05
92134 Imaging of retina	102	90	$150.00	$40.09
76514 Ultrasound scan of cornea to determine thickness	22	22	$50.00	$10.88
92020 Examination of cornea and iris using lens device and slit lamp	16	16	$50.00	$27.81
66982 Complex removal of cataract with insertion of prosthetic lens	15	11	$2500.00	$728.57
92025 Ct scan of cornea	13	13	$50.00	$34.59
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$190.00	$167.27
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	11	11	$70.00	$55.66

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	960	913	$140.03	$125.70
92136 Measurement of corneal curvature and depth of eye	362	174	$73.37	$31.13
66984 Removal of cataract with insertion of lens	212	136	$2000.00	$537.12
92250 Photography of the retina	179	176	$105.00	$44.59
92012 Established patient problem focused exam of visual system	169	131	$100.00	$87.86
99213 Established patient office or other outpatient visit, typically 15 minutes	159	103	$85.00	$74.79
92004 New patient complete exam of visual system	158	158	$165.00	$150.37
92083 Exam of visual field with extended testing	126	125	$105.00	$61.99
92133 Imaging of optic nerve	115	115	$150.00	$34.25
66821 Removal of recurring cataract in lens capsule using a laser	88	69	$600.00	$316.10
92134 Imaging of retina	69	63	$150.00	$40.05
76514 Ultrasound scan of cornea to determine thickness	26	26	$50.00	$11.29
92020 Examination of cornea and iris using lens device and slit lamp	15	15	$50.00	$27.73
92025 Ct scan of cornea	12	12	$50.00	$35.32

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	1,091	1,031	$140.00	$125.67
92136 Measurement of corneal curvature and depth of eye	448	199	$74.11	$34.20
66984 Removal of cataract with insertion of lens	258	166	$2000.00	$622.74
92250 Photography of the retina	224	220	$105.00	$50.13
92012 Established patient problem focused exam of visual system	223	164	$100.00	$87.46
92004 New patient complete exam of visual system	207	207	$165.00	$149.93
92083 Exam of visual field with extended testing	151	148	$105.00	$63.29
92133 Imaging of optic nerve	129	129	$150.00	$34.06
99213 Established patient office or other outpatient visit, typically 15 minutes	114	81	$85.00	$73.72
66821 Removal of recurring cataract in lens capsule using a laser	95	78	$600.00	$319.84
92134 Imaging of retina	65	59	$150.00	$40.40
76514 Ultrasound scan of cornea to determine thickness	26	26	$50.00	$11.74
92025 Ct scan of cornea	21	21	$50.00	$34.71
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	19	17	$70.00	$44.69
92020 Examination of cornea and iris using lens device and slit lamp	12	12	$50.00	$27.61

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	1,092	1,020	$140.00	$123.94
92136 Measurement of corneal curvature and depth of eye	437	204	$74.30	$37.17
92250 Photography of the retina	318	309	$105.00	$55.07
66984 Removal of cataract with insertion of lens	237	165	$2000.00	$618.84
92004 New patient complete exam of visual system	213	213	$165.00	$147.74
92012 Established patient problem focused exam of visual system	210	152	$100.00	$85.13
99213 Established patient office or other outpatient visit, typically 15 minutes	181	108	$85.00	$71.58
92083 Exam of visual field with extended testing	155	150	$105.00	$63.02
92133 Imaging of optic nerve	127	125	$150.00	$34.45
66821 Removal of recurring cataract in lens capsule using a laser	94	79	$600.00	$311.79
92134 Imaging of retina	77	67	$150.00	$39.61
92025 Ct scan of cornea	35	34	$50.00	$34.76
76514 Ultrasound scan of cornea to determine thickness	35	35	$50.00	$14.19
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	33	26	$70.00	$43.02
92002 New patient problem focused exam of visual system	16	16	$105.00	$82.11
92020 Examination of cornea and iris using lens device and slit lamp	14	14	$50.00	$26.50

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	1,011	931	$140.00	$121.35
92136 Measurement of corneal curvature and depth of eye	435	210	$74.97	$41.86
92250 Photography of the retina	300	292	$105.00	$64.55
66984 Removal of cataract with insertion of lens	248	173	$2000.00	$618.25
92012 Established patient problem focused exam of visual system	223	158	$100.00	$83.38
92004 New patient complete exam of visual system	187	187	$165.00	$146.80
99213 Established patient office or other outpatient visit, typically 15 minutes	163	103	$85.00	$72.01
92083 Exam of visual field with extended testing	137	130	$105.00	$61.98
92133 Imaging of optic nerve	115	114	$150.00	$33.69
66821 Removal of recurring cataract in lens capsule using a laser	103	85	$600.00	$309.09
92134 Imaging of retina	74	64	$150.00	$39.32
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	26	25	$70.00	$42.90
92025 Ct scan of cornea	25	24	$50.00	$36.25
76514 Ultrasound scan of cornea to determine thickness	15	15	$50.00	$14.00
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	13	12	$165.00	$142.42

Medical Specialties & State Licenses

CMS Verified: 2024-12-06

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License AZ 32672

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

870643 (AZ)

Commercial Insurance / Payer ID Bcbs

A20754950

Hospital & Practice Group Affiliations

Associated Ophthalmologists Ltd

300 E Osborn Rd, Phoenix, AZ 850122347

Phone: 6022547255

Practice Associates & Co-Workers

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

21 Associated Practitioners

Dr. Anne Floyd , MD

Ophthalmology

NPI 1023454410

Doctor of Medicine (M.D.)

Dr. Ali Cohen , MD

Ophthalmology

NPI 1063917730

Doctor of Medicine (M.D.)

Dr. Marc Brooks , MD

Ophthalmology

NPI 1134108152

Doctor of Medicine (M.D.)

Dr. Kelly Reed , OD

Optometrist

NPI 1265091326

Doctor of Optometry

Dr. Craig Suiter , MD

Ophthalmology

NPI 1346210085

Doctor of Medicine (M.D.)

Dr. Susie Gill , OD

Optometrist

NPI 1366613010

Doctor of Optometry

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location December 06, 2024

Registered at 300 E OSBORN RD STE 100, PHOENIX, AZ 850122347 (Tel: 4809945012)

📍

Updated Business Mailing Address December 06, 2024

Registered at 2111 E HIGHLAND AVE STE 240, PHOENIX, AZ 850164794 (Tel: 4809945012)

✅

NPI Profile Active April 10, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location April 10, 2015

Registered at 3330 N 2ND ST, SUITE 600, PHOENIX, AZ 850122368 (Tel: 6022639345)

📍

Updated Business Mailing Address April 10, 2015

Registered at 3330 N 2ND ST, SUITE 600, PHOENIX, AZ 850122368 (Tel: 6022639345)

👤

Provider Name / Credentials Updated April 10, 2015

Recorded as JAMES KOSTER, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 10, 2015

Ophthalmology (License #32672 in AZ)

🟢

Initial NPI Registration & Enumeration September 21, 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: 1851387344

Entity Type:

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

Enumeration Date: September 21, 2005

Last Update: December 06, 2024

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2111 E Highland Ave Ste 240

Phoenix, AZ 850164794

Phone: 4809945012

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.