Active NPI 1265561211 Individual Practitioner Male Practitioner

Dr. John Francis Maher , MD

Ophthalmology • Torrance, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. John Maher, MD is a certified Ophthalmology practicing in Torrance, CA. With approximately 45 years of clinical experience since graduating from Loyola University Of Chicago, Stritch School Of Medicine in 1981, Dr. Maher delivers high-quality medical care to the local community at 22924 CRENSHAW BLVD.

Dr. Maher is affiliated with Marshall B Ketchum University and accepts Medicare assignment.

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

22924 Crenshaw Blvd

Torrance, CA 905053023

Telephone 4243280091

Fax 4243280094

Medicare Profile & Education

Medical School

Loyola University Of Chicago, Stritch School Of Medicine

Graduation Year

1981

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Torrance, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

45 Yrs +14.6 yrs vs City Avg

City Avg: 30.4 Yrs

State Avg: 29.5 Yrs

Regional Practice Density

37 Specialists

Practicing in Torrance, CA (3116 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

69.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Maher (45 Years) 45 Yrs

Torrance Specialty Average (30.4 Years) 30.4 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	1,911	1,165	$220.00	$139.24
92250 Photography of the retina	850	790	$210.00	$39.42
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	629	435	$184.95	$137.60
92083 Exam of visual field with extended testing	540	531	$185.00	$71.16
92134 Imaging of retina	469	446	$369.36	$44.07
92004 New patient complete exam of visual system	447	447	$245.00	$164.00
66984 Removal of cataract with insertion of lens	262	195	$3000.00	$518.98
92136 Measurement of corneal curvature and depth of eye	254	250	$190.00	$51.21
92201 Extended exam of the back part of the eye with retinal drawing	176	129	$115.00	$26.57
66821 Removal of recurring cataract in lens capsule using a laser	173	147	$1250.00	$367.89
92202 Extended exam of the back part of the eye with optic nerve drawing	143	135	$115.00	$16.49
92020 Examination of cornea and iris using lens device and slit lamp	132	127	$94.24	$30.00
76514 Ultrasound scan of cornea to determine thickness	117	116	$65.00	$11.56
92060 Exam to measure eye deviation and range of motion	94	74	$115.00	$68.83
65855 Laser repair to improve eye fluid flow	45	36	$1114.44	$266.61
76510 Ultrasound of eye tissue and structures	30	28	$335.00	$75.52
92133 Imaging of optic nerve	25	25	$345.60	$39.03
67800 Removal of eyelid growth	24	24	$210.00	$140.39
66982 Complex removal of cataract with insertion of prosthetic lens	23	19	$3250.00	$744.37
66170 Creation of eye fluid drainage tract	17	12	$2450.00	$1177.00
92012 Established patient problem focused exam of visual system	14	14	$150.00	$99.10
99213 Established patient office or other outpatient visit, typically 15 minutes	13	11	$125.00	$98.40
68200 Injection into conjunctiva	11	11	$100.00	$39.00

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	1,918	1,188	$220.00	$141.06
92250 Photography of the retina	830	788	$209.83	$39.88
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	683	420	$184.85	$138.65
92083 Exam of visual field with extended testing	617	596	$185.00	$70.62
92004 New patient complete exam of visual system	501	501	$245.01	$166.25
92134 Imaging of retina	374	362	$366.79	$44.45
66984 Removal of cataract with insertion of lens	320	230	$3000.00	$514.47
92202 Extended exam of the back part of the eye with optic nerve drawing	288	266	$115.00	$16.79
92136 Measurement of corneal curvature and depth of eye	260	257	$190.00	$51.53
92201 Extended exam of the back part of the eye with retinal drawing	184	137	$115.00	$26.71
66821 Removal of recurring cataract in lens capsule using a laser	164	141	$1245.27	$369.05
92020 Examination of cornea and iris using lens device and slit lamp	162	157	$94.69	$30.37
76514 Ultrasound scan of cornea to determine thickness	150	147	$65.00	$11.77
92060 Exam to measure eye deviation and range of motion	129	103	$115.00	$68.56
65855 Laser repair to improve eye fluid flow	80	66	$1145.50	$269.58
76510 Ultrasound of eye tissue and structures	31	31	$335.00	$77.51
66170 Creation of eye fluid drainage tract	30	23	$2450.00	$1190.08
67800 Removal of eyelid growth	14	12	$210.00	$143.18
66982 Complex removal of cataract with insertion of prosthetic lens	14	14	$3250.00	$719.69
92012 Established patient problem focused exam of visual system	14	13	$150.00	$100.71
67825 Removal of eyelashes	13	11	$260.00	$150.62
92133 Imaging of optic nerve	11	11	$370.00	$40.42

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	1,698	1,112	$220.01	$141.96
92250 Photography of the retina	785	744	$210.00	$40.05
92083 Exam of visual field with extended testing	578	561	$185.00	$71.29
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	549	372	$184.50	$140.64
92004 New patient complete exam of visual system	523	523	$245.00	$167.98
66984 Removal of cataract with insertion of lens	405	274	$3000.00	$533.66
92134 Imaging of retina	359	345	$370.00	$45.21
92136 Measurement of corneal curvature and depth of eye	290	289	$190.00	$55.20
92202 Extended exam of the back part of the eye with optic nerve drawing	201	189	$114.25	$17.24
92201 Extended exam of the back part of the eye with retinal drawing	175	129	$115.00	$26.56
92020 Examination of cornea and iris using lens device and slit lamp	151	143	$94.67	$31.07
66821 Removal of recurring cataract in lens capsule using a laser	137	124	$1233.03	$369.72
76514 Ultrasound scan of cornea to determine thickness	134	132	$65.00	$12.11
92060 Exam to measure eye deviation and range of motion	76	70	$115.00	$68.36
65855 Laser repair to improve eye fluid flow	34	31	$1093.82	$276.74
76510 Ultrasound of eye tissue and structures	29	29	$335.00	$78.34
66982 Complex removal of cataract with insertion of prosthetic lens	27	23	$3248.15	$741.90
66170 Creation of eye fluid drainage tract	26	19	$2450.00	$1197.71
67800 Removal of eyelid growth	21	19	$210.00	$140.33
92025 Ct scan of cornea	14	12	$170.00	$39.68
68200 Injection into conjunctiva	13	12	$100.00	$44.63
92012 Established patient problem focused exam of visual system	11	11	$150.00	$100.81

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	1,407	961	$216.18	$144.10
92250 Photography of the retina	686	639	$205.98	$42.41
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	570	361	$180.88	$144.13
92083 Exam of visual field with extended testing	549	542	$180.94	$73.10
66984 Removal of cataract with insertion of lens	328	227	$3000.00	$543.94
92136 Measurement of corneal curvature and depth of eye	325	323	$185.60	$61.49
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	288	288	$241.94	$184.82
92004 New patient complete exam of visual system	271	271	$245.00	$170.53
92202 Extended exam of the back part of the eye with optic nerve drawing	177	168	$112.01	$17.63
92201 Extended exam of the back part of the eye with retinal drawing	166	123	$112.80	$27.56
92020 Examination of cornea and iris using lens device and slit lamp	131	128	$92.52	$31.54
76514 Ultrasound scan of cornea to determine thickness	124	122	$62.78	$12.41
66821 Removal of recurring cataract in lens capsule using a laser	120	106	$1251.67	$383.14
92060 Exam to measure eye deviation and range of motion	114	85	$112.81	$69.46
92133 Imaging of optic nerve	85	80	$367.18	$41.56
92134 Imaging of retina	85	84	$357.65	$46.32
92012 Established patient problem focused exam of visual system	74	64	$146.28	$101.59
65855 Laser repair to improve eye fluid flow	51	42	$1133.92	$278.89
99213 Established patient office or other outpatient visit, typically 15 minutes	43	38	$120.12	$100.71
66982 Complex removal of cataract with insertion of prosthetic lens	27	25	$3250.00	$703.18
76510 Ultrasound of eye tissue and structures	27	25	$328.89	$83.35
67800 Removal of eyelid growth	21	20	$203.33	$146.40
68440 Snip incision of tear-drainage opening at inner corner of the eye	16	16	$226.88	$117.07
99421 Online digital evaluation and management service for an established patient for up to 7 days, total time 5-10 minutes	16	15	$50.00	$16.27
68810 Insertion of probe into nasal tear duct	13	13	$423.85	$186.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	995	752	$210.00	$143.59
92250 Photography of the retina	471	453	$200.00	$49.39
92083 Exam of visual field with extended testing	370	364	$174.85	$73.11
92012 Established patient problem focused exam of visual system	247	197	$145.00	$100.84
92004 New patient complete exam of visual system	226	226	$235.00	$170.77
66984 Removal of cataract with insertion of lens	209	158	$3000.00	$567.26
92136 Measurement of corneal curvature and depth of eye	165	165	$180.00	$71.57
92201 Extended exam of the back part of the eye with retinal drawing	146	122	$109.55	$27.57
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	116	99	$175.00	$121.82
76514 Ultrasound scan of cornea to determine thickness	104	102	$60.00	$12.84
92020 Examination of cornea and iris using lens device and slit lamp	103	101	$89.13	$31.37
66821 Removal of recurring cataract in lens capsule using a laser	92	84	$1241.85	$379.97
99422 Online digital evaluation and management service for an established patient for up to 7 days, total time 11-20 minutes	88	75	$75.00	$33.66
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	81	81	$240.00	$183.30
92202 Extended exam of the back part of the eye with optic nerve drawing	55	53	$107.45	$17.82
65855 Laser repair to improve eye fluid flow	39	35	$1041.03	$279.71
92060 Exam to measure eye deviation and range of motion	36	34	$110.00	$70.37
99421 Online digital evaluation and management service for an established patient for up to 7 days, total time 5-10 minutes	25	22	$50.00	$16.79
76510 Ultrasound of eye tissue and structures	11	11	$320.00	$105.64

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	1,750	1,192	$206.74	$142.30
92250 Photography of the retina	796	719	$200.00	$56.37
92012 Established patient problem focused exam of visual system	724	447	$142.20	$99.29
92004 New patient complete exam of visual system	543	543	$231.74	$168.83
66984 Removal of cataract with insertion of lens	434	285	$3000.00	$645.79
92225 Examination of eye by ophthalmoscope with retinal drawing	417	304	$107.34	$30.73
92083 Exam of visual field with extended testing	391	382	$171.53	$73.46
92136 Measurement of corneal curvature and depth of eye	334	333	$177.78	$79.48
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	201	163	$169.63	$120.18
92020 Examination of cornea and iris using lens device and slit lamp	158	153	$87.09	$30.39
76514 Ultrasound scan of cornea to determine thickness	155	151	$58.32	$13.39
66821 Removal of recurring cataract in lens capsule using a laser	133	117	$1233.08	$374.93
92226 Examination of eye by ophthalmoscope with retinal drawing	127	88	$84.45	$28.58
65855 Laser repair to improve eye fluid flow	110	90	$1027.73	$275.24
92060 Exam to measure eye deviation and range of motion	98	78	$107.86	$70.64
92133 Imaging of optic nerve	49	49	$295.31	$39.83
66821 Removal of recurring cataract in lens capsule using a laser	47	42	$1250.00	$352.06
92134 Imaging of retina	42	41	$300.00	$45.95
76510 Ultrasound of eye tissue and structures	21	20	$317.14	$124.34
67800 Removal of eyelid growth	20	17	$199.00	$144.92
66982 Complex removal of cataract with insertion of prosthetic lens	14	12	$3250.00	$752.88
68810 Insertion of probe into nasal tear duct	11	11	$406.36	$179.10

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	1,945	1,248	$195.00	$136.80
92134 Imaging of retina	589	547	$300.00	$44.57
92133 Imaging of optic nerve	568	529	$299.63	$40.08
92004 New patient complete exam of visual system	561	561	$220.00	$162.53
92012 Established patient problem focused exam of visual system	558	374	$134.97	$95.04
92083 Exam of visual field with extended testing	516	512	$159.84	$70.74
92225 Examination of eye by ophthalmoscope with retinal drawing	393	287	$100.00	$29.12
66984 Removal of cataract with insertion of lens	390	264	$3005.13	$614.99
92136 Measurement of corneal curvature and depth of eye	320	319	$170.00	$86.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	302	251	$160.12	$114.13
92020 Examination of cornea and iris using lens device and slit lamp	178	174	$79.80	$28.76
76514 Ultrasound scan of cornea to determine thickness	169	169	$50.00	$15.72
66821 Removal of recurring cataract in lens capsule using a laser	169	141	$1250.00	$331.87
65855 Laser repair to improve eye fluid flow	155	114	$993.23	$265.94
92226 Examination of eye by ophthalmoscope with retinal drawing	136	96	$71.65	$26.84
92060 Exam to measure eye deviation and range of motion	66	56	$100.00	$68.88
99213 Established patient office or other outpatient visit, typically 15 minutes	19	13	$116.84	$77.07
66982 Complex removal of cataract with insertion of prosthetic lens	17	14	$3250.00	$722.58
67800 Removal of eyelid growth	16	15	$190.00	$131.22
76510 Ultrasound of eye tissue and structures	15	13	$290.00	$152.88

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	1,822	1,220	$195.01	$137.03
92083 Exam of visual field with extended testing	576	564	$159.93	$71.99
92004 New patient complete exam of visual system	556	556	$220.00	$164.22
92012 Established patient problem focused exam of visual system	544	357	$134.97	$94.82
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	484	344	$160.00	$116.89
92225 Examination of eye by ophthalmoscope with retinal drawing	475	361	$100.00	$29.62
66984 Removal of cataract with insertion of lens	430	298	$3000.00	$625.52
92136 Measurement of corneal curvature and depth of eye	325	324	$170.00	$101.38
92020 Examination of cornea and iris using lens device and slit lamp	232	224	$79.70	$29.52
65855 Laser repair to improve eye fluid flow	226	154	$982.96	$269.10
76514 Ultrasound scan of cornea to determine thickness	212	211	$50.00	$16.04
92226 Examination of eye by ophthalmoscope with retinal drawing	166	115	$72.47	$27.32
66821 Removal of recurring cataract in lens capsule using a laser	152	128	$1250.00	$341.97
92060 Exam to measure eye deviation and range of motion	74	59	$100.00	$70.42
76510 Ultrasound of eye tissue and structures	24	24	$290.00	$191.10
67800 Removal of eyelid growth	23	20	$190.00	$137.40
92133 Imaging of optic nerve	20	20	$289.50	$41.23
92134 Imaging of retina	19	19	$300.00	$45.32
68810 Insertion of probe into nasal tear duct	16	15	$390.00	$175.68
0191T Internal insertion of eye fluid drainage device	15	13	$3350.00	$469.27
66982 Complex removal of cataract with insertion of prosthetic lens	14	11	$3250.00	$785.25
68440 Snip incision of tear-drainage opening at inner corner of the eye	13	13	$176.92	$111.59

Medical Specialties & State Licenses

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License CA G54565

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

00G545651 (CA)

Commercial Insurance / Payer ID Tax Id

330449875

Commercial Insurance / Payer ID Pin #

G54565

Commercial Insurance / Payer ID Highmark Blue Shield

000198598 (PA)

Commercial Insurance / Payer ID Railroad Medicare

180004317

Commercial Insurance / Payer ID United Healthcare

330449875

Commercial Insurance / Payer ID Blue Shield

00G545650 (CA)

Commercial Insurance / Payer ID Aetna

0004080884

Commercial Insurance / Payer ID Blue Cross Blue Shield Of

330449875 (IL)

Commercial Insurance / Payer ID Blue Cross Of Calif

330449875 (CA)

Hospital & Practice Group Affiliations

Marshall B Ketchum University

5460 E La Palma Ave, Anaheim, CA 928072023

Phone: 7144637505

Marshall B Ketchum University

5460 E La Palma Ave, Anaheim, CA 928072023

Practice Associates & Co-Workers

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

1 Associated Practitioners

Dr. Theodore Georgis , MD

Orthopaedic Surgery - Orthopaedic Surgery of the Spine

NPI 1487889556

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

11 Historical Events

✅

NPI Profile Active October 04, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location October 04, 2017

Registered at 22924 CRENSHAW BLVD, TORRANCE, CA 905053023 (Tel: 4243280091)

📍

Updated Business Mailing Address October 04, 2017

Registered at 22924 CRENSHAW BLVD, TORRANCE, CA 905053023 (Tel: 4243280091)

👤

Provider Name / Credentials Updated October 04, 2017

Recorded as JOHN MAHER, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 04, 2017

Ophthalmology (License #G54565 in CA)

✅

NPI Profile Active November 03, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location November 03, 2011

Registered at 21320 HAWTHORNE BLVD, SUITE 216, TORRANCE, CA 905035679 (Tel: 3105403133)

📍

Updated Business Mailing Address November 03, 2011

Registered at 21320 HAWTHORNE BLVD, SUITE 216, TORRANCE, CA 905035679 (Tel: 3105403133)

👤

Provider Name / Credentials Updated November 03, 2011

Recorded as JOHN MAHER, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 03, 2011

Ophthalmology (License #G54565 in CA)

🟢

Initial NPI Registration & Enumeration March 05, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

No patient reviews submitted yet for Dr. John Maher. Be the first to share your experience!

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1265561211

Entity Type:

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

Enumeration Date: March 05, 2007

Last Update: October 04, 2017

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

22924 Crenshaw Blvd

Torrance, CA 905053023

Phone: 4243280091

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.