Active NPI 1598800062 Individual Practitioner Male Practitioner

Dr. James Allen Gammon , MD

Ophthalmology • Modesto, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. James Gammon, MD is a certified Ophthalmology practicing in Modesto, CA. With approximately 57 years of clinical experience since graduating from University Of Kansas School Of Med (Kc/Wich/Sal) in 1969, Dr. Gammon delivers high-quality medical care to the local community at 500 COFFEE ROAD.

Dr. Gammon accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient problem focused exam of visual system, photography of the retina, 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

500 Coffee Road
Suite F

Modesto, CA 95355

Telephone 2095227362

Fax 2095227314

Associated Practice Facility / Clinic

🏢 Steven R Wunschel Md Inc Facility NPI 1992958383

Medicare Profile & Education

Medical School

University Of Kansas School Of Med (Kc/wich/sal)

Graduation Year

1969

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Modesto, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

57 Yrs +27.7 yrs vs City Avg

City Avg: 29.3 Yrs

State Avg: 29.5 Yrs

Regional Practice Density

16 Specialists

Practicing in Modesto, CA (3116 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

63.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Gammon (57 Years) 57 Yrs

Modesto Specialty Average (29.3 Years) 29.3 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
92012 Established patient problem focused exam of visual system	318	246	$105.00	$89.06
92250 Photography of the retina	107	101	$130.00	$36.73
66984 Removal of cataract with insertion of lens	46	34	$2270.00	$520.92
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	40	32	$80.00	$55.35
92004 New patient complete exam of visual system	37	37	$180.00	$149.10
92133 Imaging of optic nerve	29	27	$90.00	$35.83
92136 Measurement of corneal curvature and depth of eye	26	26	$170.00	$46.15
92134 Imaging of retina	25	23	$90.00	$40.00
66821 Removal of recurring cataract in lens capsule using a laser	14	13	$475.00	$330.16
92081 Exam of visual field with limited testing	12	11	$60.00	$33.20

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	441	339	$105.00	$93.91
92250 Photography of the retina	147	144	$130.00	$38.83
92133 Imaging of optic nerve	67	61	$90.00	$38.04
92134 Imaging of retina	48	42	$90.00	$41.91
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	47	38	$80.00	$58.20
66984 Removal of cataract with insertion of lens	46	35	$2270.00	$551.99
92004 New patient complete exam of visual system	38	38	$180.00	$156.12
92136 Measurement of corneal curvature and depth of eye	27	27	$170.00	$49.05
66821 Removal of recurring cataract in lens capsule using a laser	13	12	$475.00	$345.49
92081 Exam of visual field with limited testing	12	12	$60.00	$34.75
92002 New patient problem focused exam of visual system	11	11	$150.00	$89.48

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	485	383	$104.96	$93.87
92250 Photography of the retina	178	174	$130.00	$38.89
66984 Removal of cataract with insertion of lens	96	75	$2270.00	$555.24
92136 Measurement of corneal curvature and depth of eye	66	66	$170.00	$52.30
92133 Imaging of optic nerve	57	56	$90.00	$38.64
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	57	48	$80.00	$58.52
92004 New patient complete exam of visual system	52	52	$180.00	$157.13
92134 Imaging of retina	36	36	$90.00	$42.48
92002 New patient problem focused exam of visual system	19	19	$150.00	$90.73
66821 Removal of recurring cataract in lens capsule using a laser	16	16	$475.00	$347.99

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	564	439	$104.96	$95.25
92250 Photography of the retina	234	228	$130.00	$41.58
66984 Removal of cataract with insertion of lens	103	76	$2270.00	$566.57
92136 Measurement of corneal curvature and depth of eye	100	79	$170.00	$58.16
92004 New patient complete exam of visual system	68	68	$179.41	$159.14
92133 Imaging of optic nerve	53	53	$90.00	$39.35
92134 Imaging of retina	44	43	$90.00	$43.38
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	39	26	$56.92	$52.12
66821 Removal of recurring cataract in lens capsule using a laser	23	23	$475.00	$353.63
92002 New patient problem focused exam of visual system	17	17	$150.00	$91.59

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	348	278	$105.00	$91.11
92250 Photography of the retina	151	149	$130.00	$46.16
76519 Ultrasound of eye for determination of lens power	84	68	$170.00	$68.63
66984 Removal of cataract with insertion of lens	77	64	$2270.00	$549.06
92004 New patient complete exam of visual system	75	75	$180.00	$154.83
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	68	56	$50.00	$46.31
92014 Established patient complete exam of visual system	47	47	$140.00	$129.61
92133 Imaging of optic nerve	47	46	$90.00	$38.31
66821 Removal of recurring cataract in lens capsule using a laser	21	21	$475.00	$338.11
92134 Imaging of retina	21	21	$90.00	$41.61
92002 New patient problem focused exam of visual system	12	12	$150.00	$86.32
92083 Exam of visual field with extended testing	11	11	$120.00	$64.90

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	563	446	$105.00	$90.21
92004 New patient complete exam of visual system	108	108	$180.00	$153.88
76519 Ultrasound of eye for determination of lens power	102	84	$170.00	$68.13
92250 Photography of the retina	99	98	$130.00	$51.85
66984 Removal of cataract with insertion of lens	97	79	$2270.00	$643.76
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	90	62	$50.00	$45.66
92133 Imaging of optic nerve	55	52	$90.00	$37.81
92014 Established patient complete exam of visual system	42	42	$140.95	$129.51
92134 Imaging of retina	29	27	$90.00	$41.85
66821 Removal of recurring cataract in lens capsule using a laser	29	28	$475.00	$337.46

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	589	444	$105.00	$87.11
92004 New patient complete exam of visual system	158	158	$180.00	$149.62
92250 Photography of the retina	137	134	$130.00	$57.26
76519 Ultrasound of eye for determination of lens power	136	106	$170.00	$74.78
66984 Removal of cataract with insertion of lens	135	106	$2270.00	$629.42
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	66	52	$50.83	$43.22
92133 Imaging of optic nerve	47	45	$90.00	$37.52
92014 Established patient complete exam of visual system	43	43	$140.00	$125.10
66821 Removal of recurring cataract in lens capsule using a laser	38	37	$475.00	$327.21
92134 Imaging of retina	34	28	$90.00	$41.30
76514 Ultrasound scan of cornea to determine thickness	26	26	$40.00	$14.10

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	559	411	$104.86	$86.81
76519 Ultrasound of eye for determination of lens power	138	109	$170.00	$86.76
66984 Removal of cataract with insertion of lens	134	107	$2270.00	$641.06
92004 New patient complete exam of visual system	105	105	$179.62	$150.47
92250 Photography of the retina	76	76	$130.00	$67.39
92133 Imaging of optic nerve	71	68	$90.00	$38.08
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	69	51	$50.80	$43.88
92014 Established patient complete exam of visual system	52	48	$140.77	$125.59
92134 Imaging of retina	44	41	$90.00	$41.67
66821 Removal of recurring cataract in lens capsule using a laser	31	30	$475.00	$332.97
76514 Ultrasound scan of cornea to determine thickness	20	20	$40.00	$14.24

Medical Specialties & State Licenses

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License CA C334380

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.

Practice Associates & Co-Workers

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

1 Associated Practitioners

Dr. Jerome Robson , MD

Anesthesiology

NPI 1386677417

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 October 01, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location October 01, 2012

Registered at 500 COFFEE ROAD, SUITE F, MODESTO, CA 95355 (Tel: 2095227362)

📍

Updated Business Mailing Address October 01, 2012

Registered at 500 COFFEE ROAD, SUITE F, MODESTO, CA 95355 (Tel: 2095228004)

👤

Provider Name / Credentials Updated October 01, 2012

Recorded as JAMES GAMMON, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 01, 2012

Ophthalmology (License #C334380 in CA)

🟢

Initial NPI Registration & Enumeration February 21, 2007

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: 1598800062

Entity Type:

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

Enumeration Date: February 21, 2007

Last Update: October 01, 2012

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

500 Coffee Road, Suite F

Modesto, CA 95355

Phone: 2095228004

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.