Active NPI 1518067727 Individual Practitioner Male Practitioner

Dr. John R Cassidy , MD

Neurological Surgery • Venice, FL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. John Cassidy, MD is a certified Neurological Surgery practicing in Venice, FL. With approximately 46 years of clinical experience since graduating from Virginia Commonwealth University, School Of Medicine in 1980, Dr. Cassidy delivers high-quality medical care to the local community at 842 SUNSET LAKE BLVD.

Dr. Cassidy maintains professional affiliations with Neurosurgical Associates Cassidy And Guerin, Md, Pa, Legacy Healthcare Services Inc, Empath Therapies Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include injection, methylprednisolone acetate, 1 mg, established patient outpatient office visit, new 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

842 Sunset Lake Blvd
Suite 302

Venice, FL 342927552

Telephone 9414843404

Fax 9414967895

Associated Practice Facility / Clinic

🏢 Smh Physician Services Inc Facility NPI 1033184098

Medicare Profile & Education

Medical School

Virginia Commonwealth University, School Of Medicine

Graduation Year

1980

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Neurological Surgery in Venice, FL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

46 Yrs +13.2 yrs vs City Avg

City Avg: 32.8 Yrs

State Avg: 24.5 Yrs

Regional Practice Density

4 Specialists

Practicing in Venice, FL (675 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

13.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Cassidy (46 Years) 46 Yrs

Venice Specialty Average (32.8 Years) 32.8 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
J1010 Injection, methylprednisolone acetate, 1 mg	9,287	84	$0.30	$0.11
99213 Established patient office or other outpatient visit, typically 15 minutes	421	246	$89.48	$92.40
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	190	190	$167.05	$171.07
20552 Injections of trigger points in 1 or 2 muscles	157	106	$55.20	$53.66
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	126	124	$133.52	$133.94
99231 Follow-up hospital inpatient care per day, typically 15 minutes	48	32	$50.40	$51.18
J1040 Injection, methylprednisolone acetate, 80 mg	42	32	$40.00	$9.66
20931 Donor bone graft for spine surgery	29	28	$122.06	$121.00
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	29	18	$268.45	$249.64
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	23	23	$1065.63	$874.48
76000 Imaging guidance for procedure, 60 minutes or less	23	21	$15.75	$15.38
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	22	22	$142.98	$112.11
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	20	19	$151.40	$130.83
63030 Partial removal of bone with release of spinal cord or spinal nerves of 1 interspace in lower spine	20	20	$1323.98	$1260.70
63056 Release of lower spinal cord and/or nerves	17	17	$1559.02	$1587.75
22845 Placement of stabilizing device to front, 2-3 spine bone segments	17	17	$758.94	$778.87
22551 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc	16	16	$1778.01	$1822.20
22633 Fusion of spine in lower back with partial removal of spine bone and disc	12	12	$2178.01	$1789.03
22310 Closed treatment of broken spine bones with casting or bracing	12	12	$305.50	$311.58
63012 Partial removal of bone and/or release of lower spinal cord or spinal nerves	11	11	$1651.93	$695.56

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	454	263	$92.48	$89.67
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	280	280	$171.31	$167.00
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	162	161	$138.83	$131.22
J1040 Injection, methylprednisolone acetate, 80 mg	149	100	$40.00	$11.59
20552 Injections of trigger points in 1 or 2 muscles	136	91	$56.68	$52.79
99231 Follow-up hospital inpatient care per day, typically 15 minutes	45	34	$42.82	$42.08
20931 Donor bone graft for spine surgery	26	26	$126.41	$118.80
22614 Fusion of additional segment of spine	23	11	$419.54	$337.54
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	22	22	$140.62	$127.34
22310 Closed treatment of broken spine bones with casting or bracing	21	21	$355.89	$307.09
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	20	15	$242.68	$236.57
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	18	18	$129.54	$112.52
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	17	16	$1119.57	$886.43
63030 Partial removal of bone with release of spinal cord or spinal nerves of 1 interspace in lower spine	17	17	$1422.91	$1254.08
63035 Partial removal of bone with release of spinal cord or spinal nerves in upper or lower spine	16	11	$314.90	$315.64
22842 Placement of stabilizing device to back, 3-6 spine bone segments	16	16	$777.80	$718.16
76000 Imaging guidance for procedure, 60 minutes or less	15	14	$42.82	$16.00
20550 Injection into tendon or ligament	14	13	$58.44	$58.49
63056 Release of lower spinal cord and/or nerves	14	14	$1602.70	$1601.39
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$163.72	$133.17
22600 Fusion of spine in neck by posterior approach	11	11	$1388.92	$751.70

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	513	292	$91.05	$89.73
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	272	272	$171.78	$166.89
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	190	185	$140.52	$135.61
20552 Injections of trigger points in 1 or 2 muscles	173	112	$55.41	$53.34
J1040 Injection, methylprednisolone acetate, 80 mg	171	110	$40.00	$10.82
99231 Follow-up hospital inpatient care per day, typically 15 minutes	69	50	$41.32	$39.00
20931 Donor bone graft for spine surgery	38	37	$119.37	$118.65
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	34	33	$1033.87	$666.85
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	28	28	$145.48	$127.33
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	27	26	$252.26	$246.72
22310 Closed treatment of broken spine bones with casting or bracing	26	26	$349.44	$305.62
22840 Placement of stabilizing device to back of 1 spine bone in neck	25	25	$734.81	$729.27
63012 Partial removal of bone and/or release of lower spinal cord or spinal nerves	23	23	$1142.57	$567.45
22633 Fusion of spine in lower back with partial removal of spine bone and disc	22	22	$1983.68	$1831.95
63042 Partial removal of spine bone with re-exploration, release of lower spinal cord or nerves and/or removal of disc, 1 interspace	22	17	$1536.86	$1201.44
63030 Partial removal of bone with release of spinal cord or spinal nerves of 1 interspace in lower spine	21	21	$1385.50	$1296.17
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$170.05	$135.82
63056 Release of lower spinal cord and/or nerves	19	19	$1533.16	$1429.01
76000 Imaging guidance for procedure, 60 minutes or less	18	16	$43.09	$15.87
69990 Use of operating microscope	17	17	$225.69	$224.55
22551 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc	15	15	$1624.04	$1511.27
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$132.74	$112.17
22845 Placement of stabilizing device to front, 2-3 spine bone segments	13	13	$684.32	$657.19
61781 Computer-assisted procedure inside brain	12	12	$257.64	$255.93
22842 Placement of stabilizing device to back, 3-6 spine bone segments	12	12	$1112.94	$710.50

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	563	316	$91.62	$92.29
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	261	261	$171.09	$170.34
J1040 Injection, methylprednisolone acetate, 80 mg	186	106	$40.00	$10.66
20552 Injections of trigger points in 1 or 2 muscles	186	106	$55.52	$55.66
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	169	164	$140.86	$138.55
99231 Follow-up hospital inpatient care per day, typically 15 minutes	70	41	$38.52	$38.96
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	48	47	$1135.88	$733.41
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	44	44	$138.34	$131.16
20931 Donor bone graft for spine surgery	43	42	$124.13	$121.09
76000 Imaging guidance for procedure, 60 minutes or less	36	33	$42.39	$16.26
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	30	24	$286.49	$264.21
22845 Placement of stabilizing device to front, 2-3 spine bone segments	27	27	$739.48	$748.17
63048 Partial removal of spine bone with release of spinal cord and/or nerves	27	25	$214.29	$216.81
22551 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc	26	26	$1653.71	$1673.16
69990 Use of operating microscope	24	24	$204.71	$198.69
63012 Partial removal of bone and/or release of lower spinal cord or spinal nerves	23	23	$1377.40	$614.71
22633 Fusion of spine in lower back with partial removal of spine bone and disc	21	21	$2225.36	$1979.47
22310 Closed treatment of broken spine bones with casting or bracing	19	18	$357.91	$304.60
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	18	18	$114.49	$111.01
63056 Release of lower spinal cord and/or nerves	18	18	$1603.24	$1508.99
22840 Placement of stabilizing device to back of 1 spine bone in neck	18	18	$853.76	$713.14
63030 Partial removal of bone with release of spinal cord or spinal nerves of 1 interspace in lower spine	18	18	$1191.99	$1118.29
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	18	18	$176.08	$140.24
63042 Partial removal of spine bone with re-exploration, release of lower spinal cord or nerves and/or removal of disc, 1 interspace	17	17	$1753.80	$1065.62
22552 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, each additional disc	15	13	$356.75	$360.95
22842 Placement of stabilizing device to back, 3-6 spine bone segments	15	14	$731.54	$698.47
61781 Computer-assisted procedure inside brain	14	14	$259.10	$262.15
22310 Closed treatment of broken spine bones with casting or bracing	12	12	$380.63	$322.51

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	531	311	$76.02	$75.42
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	267	267	$167.42	$167.40
J1040 Injection, methylprednisolone acetate, 80 mg	174	121	$40.00	$11.45
20552 Injections of trigger points in 1 or 2 muscles	173	121	$57.98	$57.45
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	144	141	$146.34	$142.02
99231 Follow-up hospital inpatient care per day, typically 15 minutes	57	36	$41.92	$40.64
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	49	48	$118.20	$108.72
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	41	41	$1092.72	$774.37
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	26	20	$266.37	$260.87
63048 Partial removal of spine bone with release of spinal cord and/or nerves	23	17	$214.91	$201.37
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$171.81	$133.81
22551 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc	21	21	$1851.90	$1828.60
22845 Placement of stabilizing device to front, 2-3 spine bone segments	20	19	$799.96	$788.23
20931 Donor bone graft for spine surgery	20	20	$121.74	$122.39
22310 Closed treatment of broken spine bones with casting or bracing	19	19	$344.09	$295.51
63042 Partial removal of spine bone with re-exploration, release of lower spinal cord or nerves and/or removal of disc, 1 interspace	19	17	$1489.97	$1209.23
22633 Fusion of spine in lower back with partial removal of spine bone and disc	19	19	$2011.55	$1865.80
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	18	18	$121.17	$109.27
69990 Use of operating microscope	17	17	$229.51	$231.21
63012 Partial removal of bone and/or release of lower spinal cord or spinal nerves	17	17	$1232.30	$623.73
76000 Imaging guidance for procedure, 60 minutes or less	17	17	$26.47	$16.06
22840 Placement of stabilizing device to back of 1 spine bone in neck	17	17	$751.68	$739.92
63030 Partial removal of bone with release of spinal cord or spinal nerves of 1 interspace in lower spine	15	15	$1501.72	$1270.88
22842 Placement of stabilizing device to back, 3-6 spine bone segments	13	13	$727.86	$681.97
63056 Release of lower spinal cord and/or nerves	12	12	$1502.82	$1450.19

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	687	364	$75.13	$74.17
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	300	300	$166.63	$165.76
J1040 Injection, methylprednisolone acetate, 80 mg	260	162	$40.00	$12.14
20552 Injections of trigger points in 1 or 2 muscles	248	159	$56.37	$55.69
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	151	147	$144.13	$138.22
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	74	74	$115.25	$108.00
99231 Follow-up hospital inpatient care per day, typically 15 minutes	56	36	$40.28	$40.18
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	40	39	$1166.75	$844.70
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	38	29	$284.97	$275.86
63056 Release of lower spinal cord and/or nerves	31	30	$1623.00	$1514.29
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	29	29	$166.13	$131.84
63042 Partial removal of spine bone with re-exploration, release of lower spinal cord or nerves and/or removal of disc, 1 interspace	28	26	$1539.28	$1219.21
22633 Fusion of spine in lower back with partial removal of spine bone and disc	26	26	$2015.10	$1720.26
76000 Imaging guidance for procedure, 60 minutes or less	25	25	$16.05	$16.01
22840 Placement of stabilizing device to back of 1 spine bone in neck	24	24	$837.31	$809.17
63030 Partial removal of bone with release of spinal cord or spinal nerves of 1 interspace in lower spine	23	23	$1770.33	$1298.30
22845 Placement of stabilizing device to front, 2-3 spine bone segments	21	21	$774.90	$758.63
63012 Partial removal of bone and/or release of lower spinal cord or spinal nerves	20	20	$1298.78	$668.05
22551 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc	19	19	$1782.11	$1710.47
20931 Donor bone graft for spine surgery	18	18	$123.76	$123.46
69990 Use of operating microscope	17	17	$235.44	$218.75
22310 Closed treatment of broken spine bones with casting or bracing	17	17	$364.59	$271.14
63035 Partial removal of bone with release of spinal cord or spinal nerves in upper or lower spine	16	11	$315.75	$314.98
63044 Re-exploration of spine repair with release of lower spinal cord or nerves	13	11	$3836.03	$404.53
63048 Partial removal of spine bone with release of spinal cord and/or nerves	13	13	$232.91	$232.34
22842 Placement of stabilizing device to back, 3-6 spine bone segments	13	13	$842.52	$767.74
61781 Computer-assisted procedure inside brain	12	12	$247.61	$247.01

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	797	409	$74.77	$71.98
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	320	320	$168.50	$163.26
J1040 Injection, methylprednisolone acetate, 80 mg	280	173	$40.00	$12.92
20552 Injections of trigger points in 1 or 2 muscles	276	169	$56.81	$55.04
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	129	126	$154.46	$137.83
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	53	29	$294.61	$258.98
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	49	48	$116.65	$106.45
99231 Follow-up hospital inpatient care per day, typically 15 minutes	47	29	$43.22	$39.53
63035 Partial removal of bone with release of spinal cord or spinal nerves in upper or lower spine	43	29	$329.49	$292.17
63030 Partial removal of bone with release of spinal cord or spinal nerves of 1 interspace in lower spine	37	36	$1628.73	$988.42
76000 Imaging guidance for procedure, 60 minutes or less	32	29	$43.44	$8.99
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	30	30	$179.46	$123.90
63042 Partial removal of spine bone with re-exploration, release of lower spinal cord or nerves and/or removal of disc, 1 interspace	27	26	$1697.93	$1525.58
22633 Fusion of spine in lower back with partial removal of spine bone and disc	27	26	$2119.38	$1755.56
22614 Fusion of additional segment of spine	27	11	$429.75	$382.52
22840 Placement of stabilizing device to back of 1 spine bone in neck	27	26	$809.78	$771.20
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	25	25	$1044.05	$836.57
63056 Release of lower spinal cord and/or nerves	25	24	$1680.08	$1309.19
63044 Re-exploration of spine repair with release of lower spinal cord or nerves	21	15	$808.21	$432.20
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	20	20	$139.65	$107.49
22551 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc	19	19	$1861.11	$1827.53
20931 Donor bone graft for spine surgery	19	19	$123.80	$121.82
22845 Placement of stabilizing device to front, 2-3 spine bone segments	18	18	$805.51	$792.62
22310 Closed treatment of broken spine bones with casting or bracing	17	17	$452.79	$289.21
22552 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, each additional disc	17	16	$439.63	$432.59
63048 Partial removal of spine bone with release of spinal cord and/or nerves	15	11	$211.95	$208.56
22842 Placement of stabilizing device to back, 3-6 spine bone segments	14	14	$1137.50	$826.93
22852 Removal of posterior segmental spinal instrumentation	13	12	$800.47	$341.43
69990 Use of operating microscope	11	11	$208.04	$204.72

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	810	438	$75.29	$71.58
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	377	377	$167.07	$162.41
J1040 Injection, methylprednisolone acetate, 80 mg	323	195	$39.89	$10.89
20552 Injections of trigger points in 1 or 2 muscles	322	195	$57.85	$54.67
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	126	120	$145.89	$137.29
22859 Insertion of device into gap left by removal of part of vertebra	80	33	$361.84	$342.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	74	74	$116.31	$106.06
63035 Partial removal of bone with release of spinal cord or spinal nerves in upper or lower spine	61	42	$306.70	$270.27
63030 Partial removal of bone with release of spinal cord or spinal nerves of 1 interspace in lower spine	59	59	$1581.38	$1039.01
22840 Placement of stabilizing device to back of 1 spine bone in neck	34	33	$908.25	$711.59
76000 Imaging guidance for procedure, 60 minutes or less	34	33	$10.03	$8.75
63056 Release of lower spinal cord and/or nerves	33	31	$1656.89	$1403.23
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	33	32	$1037.24	$749.83
22633 Fusion of spine in lower back with partial removal of spine bone and disc	33	32	$2185.14	$1578.10
99231 Follow-up hospital inpatient care per day, typically 15 minutes	32	22	$41.60	$39.46
22830 Exploration of spinal fusion	26	24	$970.78	$465.37
63044 Re-exploration of spine repair with release of lower spinal cord or nerves	25	18	$4716.36	$481.75
63042 Partial removal of spine bone with re-exploration, release of lower spinal cord or nerves and/or removal of disc, 1 interspace	24	21	$2065.16	$1575.46
63048 Partial removal of spine bone with release of spinal cord and/or nerves	23	20	$253.75	$204.35
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	21	21	$148.80	$103.26
22842 Placement of stabilizing device to back, 3-6 spine bone segments	21	21	$1002.10	$761.59
22614 Fusion of additional segment of spine	20	12	$471.77	$415.25
20931 Donor bone graft for spine surgery	19	18	$124.08	$122.09
22551 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc	18	17	$1860.98	$1761.26
22310 Closed treatment of broken spine bones with casting or bracing	18	18	$360.89	$291.42
22845 Placement of stabilizing device to front, 2-3 spine bone segments	17	16	$805.18	$774.82
61154 Aspiration of blood accumulation in brain	12	12	$1687.56	$1660.55

Medical Specialties & State Licenses

Neurological Surgery Primary Specialty

NUCC Taxonomy Code: 207T00000X

State License VA ME0057567

A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.

Additional State Medicaid & Healthcare Payer Identifiers

Commercial Insurance / Payer ID Dr Cassidy Aetna #

952967 (FL)

Commercial Insurance / Payer ID Dr Cassidy Fl Bc/bs #

10392 (FL)

Hospital & Practice Group Affiliations

Neurosurgical Associates Cassidy And Guerin, Md, Pa

842 Sunset Lake Blvd, Venice, FL 342927552

Phone: 9414843404

Legacy Healthcare Services Inc

7374 San Casa Dr, Englewood, FL 342248842

Phone: 9414175064

Empath Therapies Llc

3600 William Penn Way, Venice, FL 342935236

Phone: 9414830746

Practice Associates & Co-Workers

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

1 Associated Practitioners

Dr. Christopher Guerin , MD

Neurological Surgery

NPI 1982704128

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 February 05, 2008

NPI status registered as active in NPPES database

📍

Updated Practice Location February 05, 2008

Registered at 842 SUNSET LAKE BLVD, SUITE 302, VENICE, FL 342927552 (Tel: 9414843404)

📍

Updated Business Mailing Address February 05, 2008

Registered at 842 SUNSET LAKE BLVD, SUITE 302, VENICE, FL 342927552 (Tel: 9414843404)

👤

Provider Name / Credentials Updated February 05, 2008

Recorded as JOHN CASSIDY, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 05, 2008

Neurological Surgery (License #ME0057567 in VA)

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Initial NPI Registration & Enumeration September 25, 2006

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1518067727

Entity Type:

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

Enumeration Date: September 25, 2006

Last Update: February 05, 2008

Sole Proprietor: No

Update or Correct Profile

Mailing Address

842 Sunset Lake Blvd, Suite 302

Venice, FL 342927552

Phone: 9414843404

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

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