Active NPI 1689709982 Individual Practitioner Male Practitioner

Dr. Gerard Emile Ardron , MD

Ophthalmology • Sonora, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Gerard Ardron, MD is a certified Ophthalmology practicing in Sonora, CA. With approximately 38 years of clinical experience since graduating from Loma Linda University School Of Medicine in 1988, Dr. Ardron delivers high-quality medical care to the local community at 940 SYLVA LN STE G.

Dr. Ardron is affiliated with Arthur N. Donaldson, M.D., Inc. and accepts Medicare assignment.

Frequently performed procedures and clinical services include injection, faricimab-svoa, 0.1 mg, injection, ranibizumab, 0.1 mg, 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

940 Sylva Ln Ste G

Sonora, CA 953705969

Telephone 2095322020

Medicare Profile & Education

Medical School

Loma Linda University School Of Medicine

Graduation Year

1988

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Sonora, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

38 Yrs Matches City Avg

City Avg: 38.0 Yrs

State Avg: 29.5 Yrs

Regional Practice Density

3 Specialists

Practicing in Sonora, CA (3116 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

51.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Ardron (38 Years) 38 Yrs

Sonora Specialty Average (38.0 Years) 38.0 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
J2777 Injection, faricimab-svoa, 0.1 mg	4,320	33	$35.00	$33.73
J2778 Injection, ranibizumab, 0.1 mg	2,850	99	$425.00	$157.66
92014 Established patient complete exam of visual system	2,102	1,978	$168.00	$130.27
J0585 Injection, onabotulinumtoxina, 1 unit	2,035	11	$6.26	$6.15
99213 Established patient office or other outpatient visit, typically 15 minutes	1,316	721	$106.01	$92.01
92134 Imaging of retina	967	379	$110.00	$41.38
92136 Measurement of corneal curvature and depth of eye	742	308	$81.28	$25.74
67028 Injection of drug into eye	662	125	$287.09	$127.33
66984 Removal of cataract with insertion of lens	480	291	$831.21	$530.53
92083 Exam of visual field with extended testing	292	274	$136.90	$65.93
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	217	213	$157.81	$126.80
66821 Removal of recurring cataract in lens capsule using a laser	190	161	$1025.69	$317.18
92004 New patient complete exam of visual system	182	182	$205.00	$153.21
J0178 Injection, aflibercept, 1 mg	172	17	$1100.00	$829.54
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	111	111	$254.00	$167.04
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	86	42	$68.00	$57.69
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	38	38	$169.00	$112.94
92250 Photography of the retina	38	37	$115.00	$37.67
92285 Photography of content of eyes	35	35	$91.91	$24.48
92081 Exam of visual field with limited testing	34	34	$106.06	$30.81
15823 Removal of excessive skin and fat of upper eyelid	29	29	$2668.97	$830.54
92012 Established patient problem focused exam of visual system	28	28	$122.00	$92.49
76514 Ultrasound scan of cornea to determine thickness	23	22	$70.00	$11.08
66183 Insertion of eye fluid drainage device	22	17	$1976.00	$1019.60
64612 Injection of chemical for paralysis of nerve muscles on side of face	20	11	$456.45	$178.06
99202 New patient office or other outpatient visit, typically 20 minutes	17	17	$115.00	$71.44
92133 Imaging of optic nerve	15	14	$110.00	$35.10

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J2778 Injection, ranibizumab, 0.1 mg	3,008	105	$425.00	$223.86
92014 Established patient complete exam of visual system	2,091	1,977	$168.04	$133.50
99213 Established patient office or other outpatient visit, typically 15 minutes	1,227	692	$106.05	$93.74
92134 Imaging of retina	913	362	$110.00	$42.50
92136 Measurement of corneal curvature and depth of eye	699	294	$81.04	$26.72
67028 Injection of drug into eye	621	123	$284.06	$129.84
66984 Removal of cataract with insertion of lens	469	283	$2005.42	$543.09
92083 Exam of visual field with extended testing	296	287	$137.00	$66.83
92004 New patient complete exam of visual system	222	222	$205.00	$157.78
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	196	192	$158.00	$132.71
66821 Removal of recurring cataract in lens capsule using a laser	194	157	$1028.27	$326.62
J0178 Injection, aflibercept, 1 mg	120	14	$1100.00	$869.39
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	114	114	$254.00	$171.94
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	92	63	$68.41	$58.62
92012 Established patient problem focused exam of visual system	77	74	$121.79	$95.28
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	42	42	$169.00	$113.68
92285 Photography of content of eyes	40	39	$91.00	$24.73
92081 Exam of visual field with limited testing	38	37	$107.00	$31.57
J9035 Injection, bevacizumab, 10 mg	36	11	$105.56	$70.84
92250 Photography of the retina	33	32	$115.00	$39.11
15823 Removal of excessive skin and fat of upper eyelid	28	28	$2700.00	$864.44
99202 New patient office or other outpatient visit, typically 20 minutes	19	19	$115.00	$75.55
66183 Insertion of eye fluid drainage device	17	14	$1976.00	$1066.51
92002 New patient problem focused exam of visual system	12	12	$119.00	$90.91
92020 Examination of cornea and iris using lens device and slit lamp	12	12	$69.00	$29.14

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J2778 Injection, ranibizumab, 0.1 mg	2,500	97	$425.00	$278.53
J0585 Injection, onabotulinumtoxina, 1 unit	2,475	12	$6.10	$6.04
92014 Established patient complete exam of visual system	2,043	1,936	$167.92	$132.45
99213 Established patient office or other outpatient visit, typically 15 minutes	1,122	766	$106.24	$93.57
92134 Imaging of retina	792	332	$110.00	$42.40
92136 Measurement of corneal curvature and depth of eye	773	321	$81.46	$27.17
67028 Injection of drug into eye	519	112	$279.04	$126.90
66984 Removal of cataract with insertion of lens	479	290	$2919.52	$539.00
92004 New patient complete exam of visual system	385	385	$205.00	$156.84
92012 Established patient problem focused exam of visual system	329	247	$121.95	$93.28
92083 Exam of visual field with extended testing	322	307	$137.00	$66.22
66821 Removal of recurring cataract in lens capsule using a laser	204	178	$1023.00	$320.32
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	167	143	$158.06	$131.78
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	66	63	$68.00	$58.28
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	51	51	$165.82	$115.53
92285 Photography of content of eyes	45	44	$91.00	$24.21
99202 New patient office or other outpatient visit, typically 20 minutes	43	43	$115.00	$75.72
92081 Exam of visual field with limited testing	41	40	$107.00	$30.67
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	32	32	$249.66	$165.93
66183 Insertion of eye fluid drainage device	27	23	$1976.00	$1053.28
64612 Injection of chemical for paralysis of nerve muscles on side of face	23	12	$451.39	$177.56
15823 Removal of excessive skin and fat of upper eyelid	20	20	$2700.00	$854.32
65855 Laser repair to improve eye fluid flow	17	16	$1498.00	$209.92
67700 Incision and drainage of eyelid abscess	13	12	$494.00	$310.50
67820 Removal of eyelashes using forceps	13	11	$170.31	$20.48

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J2778 Injection, ranibizumab, 0.1 mg	2,409	91	$425.00	$315.06
92014 Established patient complete exam of visual system	1,910	1,821	$168.00	$133.89
99213 Established patient office or other outpatient visit, typically 15 minutes	1,022	647	$106.06	$94.93
92134 Imaging of retina	691	278	$110.00	$43.19
92136 Measurement of corneal curvature and depth of eye	529	218	$81.23	$29.67
67028 Injection of drug into eye	453	98	$282.31	$130.61
66984 Removal of cataract with insertion of lens	354	208	$2842.77	$538.54
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	330	277	$158.00	$134.59
92083 Exam of visual field with extended testing	319	311	$137.00	$67.01
92012 Established patient problem focused exam of visual system	267	213	$121.94	$95.12
92004 New patient complete exam of visual system	258	258	$205.00	$159.16
66821 Removal of recurring cataract in lens capsule using a laser	180	160	$1028.68	$328.77
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	42	42	$169.00	$116.57
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	38	38	$220.00	$187.95
92081 Exam of visual field with limited testing	35	35	$107.00	$31.02
92285 Photography of content of eyes	35	35	$91.00	$24.33
99202 New patient office or other outpatient visit, typically 20 minutes	33	33	$115.00	$76.08
66183 Insertion of eye fluid drainage device	33	25	$1976.00	$1065.75
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	33	33	$254.00	$173.77
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	27	27	$68.00	$58.83
76514 Ultrasound scan of cornea to determine thickness	19	18	$70.00	$11.59
15823 Removal of excessive skin and fat of upper eyelid	19	19	$2859.00	$863.87
67820 Removal of eyelashes using forceps	16	11	$169.13	$23.29

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J2778 Injection, ranibizumab, 0.1 mg	2,834	91	$425.00	$335.37
92014 Established patient complete exam of visual system	2,100	1,907	$168.07	$134.20
99213 Established patient office or other outpatient visit, typically 15 minutes	775	515	$106.17	$78.15
92134 Imaging of retina	705	262	$110.00	$43.30
92136 Measurement of corneal curvature and depth of eye	526	221	$82.03	$33.42
92012 Established patient problem focused exam of visual system	523	416	$121.99	$93.94
67028 Injection of drug into eye	505	97	$292.37	$120.87
66984 Removal of cataract with insertion of lens	361	214	$2788.23	$535.25
92083 Exam of visual field with extended testing	337	319	$137.00	$67.73
66821 Removal of recurring cataract in lens capsule using a laser	211	184	$1023.00	$329.09
92004 New patient complete exam of visual system	166	166	$205.30	$159.86
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	112	112	$219.33	$150.53
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	80	80	$254.00	$169.84
92081 Exam of visual field with limited testing	42	42	$107.00	$32.23
92285 Photography of content of eyes	41	41	$91.00	$23.54
99202 New patient office or other outpatient visit, typically 20 minutes	39	39	$115.00	$79.68
76514 Ultrasound scan of cornea to determine thickness	39	39	$70.00	$12.26
15823 Removal of excessive skin and fat of upper eyelid	32	32	$2700.00	$868.14
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	28	27	$167.00	$113.97
66183 Insertion of eye fluid drainage device	24	17	$1976.00	$1086.73
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	21	21	$169.00	$112.53
11900 Injection into skin growth, 1-7 growths	17	16	$102.00	$56.92
92002 New patient problem focused exam of visual system	13	13	$119.00	$89.84

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	2,021	1,906	$168.15	$133.14
99213 Established patient office or other outpatient visit, typically 15 minutes	1,043	643	$106.30	$76.91
J0178 Injection, aflibercept, 1 mg	938	84	$1100.00	$941.02
92134 Imaging of retina	720	303	$110.00	$43.26
92136 Measurement of corneal curvature and depth of eye	698	273	$81.33	$36.33
92012 Established patient problem focused exam of visual system	696	473	$122.00	$93.01
66984 Removal of cataract with insertion of lens	463	272	$2874.32	$647.28
67028 Injection of drug into eye	431	91	$288.01	$118.87
92083 Exam of visual field with extended testing	406	384	$137.00	$68.13
66821 Removal of recurring cataract in lens capsule using a laser	238	207	$1023.00	$328.93
92004 New patient complete exam of visual system	218	218	$204.83	$158.32
J2778 Injection, ranibizumab, 0.1 mg	176	30	$425.00	$346.54
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	107	106	$219.72	$150.91
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	96	96	$253.00	$168.02
76514 Ultrasound scan of cornea to determine thickness	63	63	$70.00	$12.84
92285 Photography of content of eyes	47	46	$91.00	$22.66
92081 Exam of visual field with limited testing	46	45	$107.00	$31.66
99202 New patient office or other outpatient visit, typically 20 minutes	43	43	$115.00	$79.49
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	39	39	$157.69	$113.09
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	28	28	$166.75	$111.84
66183 Insertion of eye fluid drainage device	26	23	$1976.00	$1082.43
92133 Imaging of optic nerve	25	24	$110.00	$36.95
15823 Removal of excessive skin and fat of upper eyelid	23	23	$2660.87	$846.41
65855 Laser repair to improve eye fluid flow	16	15	$1498.00	$217.27
92002 New patient problem focused exam of visual system	11	11	$119.00	$88.94
11900 Injection into skin growth, 1-7 growths	11	11	$102.00	$56.96

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	1,893	1,796	$168.04	$131.87
99213 Established patient office or other outpatient visit, typically 15 minutes	1,086	697	$106.09	$75.11
J0178 Injection, aflibercept, 1 mg	834	72	$1100.00	$943.23
92136 Measurement of corneal curvature and depth of eye	770	326	$81.30	$39.44
92134 Imaging of retina	639	265	$110.00	$43.52
92012 Established patient problem focused exam of visual system	630	436	$122.00	$92.08
66984 Removal of cataract with insertion of lens	541	323	$2793.48	$622.22
92083 Exam of visual field with extended testing	418	399	$137.00	$67.69
67028 Injection of drug into eye	367	76	$278.71	$113.71
66821 Removal of recurring cataract in lens capsule using a laser	254	212	$1029.04	$327.31
92004 New patient complete exam of visual system	183	183	$205.00	$157.25
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	178	177	$217.62	$147.63
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	151	151	$254.00	$168.90
92133 Imaging of optic nerve	130	129	$110.00	$36.54
76514 Ultrasound scan of cornea to determine thickness	78	78	$70.00	$15.59
99202 New patient office or other outpatient visit, typically 20 minutes	56	56	$115.00	$76.66
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	37	37	$158.32	$107.34
92285 Photography of content of eyes	37	36	$91.00	$18.75
92081 Exam of visual field with limited testing	31	30	$107.00	$36.39
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	31	31	$169.00	$108.00
15823 Removal of excessive skin and fat of upper eyelid	21	21	$2700.00	$852.06
67800 Removal of eyelid growth	15	15	$252.00	$134.00
68761 Closure of tear duct opening using plug	13	13	$455.54	$217.00
65855 Laser repair to improve eye fluid flow	12	11	$1498.00	$215.91
92250 Photography of the retina	12	12	$115.00	$58.73

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	1,549	1,515	$165.95	$129.38
99213 Established patient office or other outpatient visit, typically 15 minutes	1,100	727	$104.70	$75.27
92136 Measurement of corneal curvature and depth of eye	863	366	$81.39	$43.65
J0178 Injection, aflibercept, 1 mg	610	58	$1100.00	$957.31
92012 Established patient problem focused exam of visual system	574	392	$120.20	$89.36
66984 Removal of cataract with insertion of lens	569	348	$2878.37	$639.95
92134 Imaging of retina	497	207	$110.00	$42.70
92083 Exam of visual field with extended testing	348	342	$136.99	$67.77
67028 Injection of drug into eye	278	58	$270.30	$110.55
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	226	223	$216.02	$147.80
66821 Removal of recurring cataract in lens capsule using a laser	159	133	$1029.43	$327.12
92133 Imaging of optic nerve	159	158	$110.00	$36.51
92004 New patient complete exam of visual system	153	153	$202.39	$155.98
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	113	113	$249.93	$165.66
76514 Ultrasound scan of cornea to determine thickness	69	68	$70.00	$15.32
99202 New patient office or other outpatient visit, typically 20 minutes	51	51	$114.45	$77.53
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	46	46	$160.09	$109.57
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	37	37	$168.03	$111.13
65855 Laser repair to improve eye fluid flow	23	18	$1498.00	$215.60
92285 Photography of content of eyes	20	20	$91.00	$18.50
92081 Exam of visual field with limited testing	20	20	$107.00	$34.45
15823 Removal of excessive skin and fat of upper eyelid	19	19	$2794.74	$850.40

Medical Specialties & State Licenses

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License CA G66625

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

00G666250 (CA)

Medicaid State Provider ID

00G666251 (CA)

Commercial Insurance / Payer ID Second Dmerc Noridian

1299310002 (CA)

Commercial Insurance / Payer ID Railroad Medicare Pin

180029904 (CA)

Commercial Insurance / Payer ID Dmerc Noridian

1299310001 (CA)

Hospital & Practice Group Affiliations

Arthur N. Donaldson, M.d., Inc.

940 Sylva Ln, Sonora, CA 953705969

Phone: 2095320340

Practice Associates & Co-Workers

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

1 Associated Practitioners

Dr. Gould Hayden , MD

Ophthalmology

NPI 1780719062

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 April 23, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location April 23, 2015

Registered at 940 SYLVA LN STE G, SONORA, CA 953705969 (Tel: 2095322020)

📍

Updated Business Mailing Address April 23, 2015

Registered at 940 SYLVA LN STE G, SONORA, CA 953705969 (Tel: 2095322020)

👤

Provider Name / Credentials Updated April 23, 2015

Recorded as GERARD ARDRON, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 23, 2015

Ophthalmology (License #G66625 in CA)

🟢

Initial NPI Registration & Enumeration February 23, 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: 1689709982

Entity Type:

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

Enumeration Date: February 23, 2007

Last Update: April 23, 2015

Sole Proprietor: No

Update or Correct Profile

Mailing Address

940 Sylva Ln Ste G

Sonora, CA 953705969

Phone: 2095322020

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.