Active NPI 1427099035 Individual Practitioner Male Practitioner

Dr. John S Marouk , DO

Neurological Surgery • Tulsa, OK

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. John Marouk, DO is a certified Neurological Surgery practicing in Tulsa, OK. With approximately 35 years of clinical experience since graduating from Oklahoma State University College Of Osteopathic Medicine in 1991, Dr. Marouk delivers high-quality medical care to the local community at 2128 S ATLANTA PL.

Dr. Marouk is affiliated with Neurological Surgery Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, follow-up hospital inpatient care per day, 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

2128 S Atlanta Pl

Tulsa, OK 741141771

Telephone 9185835131

Fax 9185920670

Associated Practice Facility / Clinic

🏢 Neurosurgical Specialists Of Tulsa Inc Facility NPI 1942247788

Medicare Profile & Education

Medical School

Oklahoma State University College Of Osteopathic Medicine

Graduation Year

1991

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Neurological Surgery in Tulsa, OK

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

35 Yrs +8.4 yrs vs City Avg

City Avg: 26.6 Yrs

State Avg: 31.5 Yrs

Regional Practice Density

31 Specialists

Practicing in Tulsa, OK (101 Statewide)

Telehealth Adoption Rate

12.9% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

76.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Marouk (35 Years) 35 Yrs

Tulsa Specialty Average (26.6 Years) 26.6 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
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	150	95	$290.81	$112.27
99231 Follow-up hospital inpatient care per day, typically 15 minutes	79	36	$97.78	$42.37
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	54	54	$375.65	$144.93
99221 Initial hospital inpatient care per day, typically 30 minutes	35	35	$204.11	$73.48
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	26	15	$141.54	$67.13
63048 Partial removal of spine bone with release of spinal cord and/or nerves	22	14	$860.91	$177.00
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	17	17	$297.94	$115.28
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	16	16	$5577.81	$765.62
22612 Fusion of spine in lower back	11	11	$4486.36	$1369.34

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	197	123	$300.00	$118.69
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	85	85	$350.00	$152.29
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	66	32	$134.00	$74.82
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	41	41	$315.00	$122.98
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	36	16	$175.00	$112.59
63048 Partial removal of spine bone with release of spinal cord and/or nerves	24	16	$995.00	$188.93
64555 Implantation of peripheral nerve neurostimulator electrodes, accessed through the skin	23	15	$1600.00	$258.92
64590 Insertion or replacement of peripheral, sacral, or gastric neurostimulator generator or receiver	19	18	$775.00	$74.90
L8683 Radiofrequency transmitter (external) for use with implantable neurostimulator radiofrequency receiver	17	17	$5500.00	$5412.08
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	15	15	$4500.00	$805.82
22612 Fusion of spine in lower back	11	11	$4800.00	$1340.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	263	165	$247.10	$120.62
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	185	80	$134.00	$67.58
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	112	109	$305.89	$127.92
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	100	100	$334.81	$156.18
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	95	34	$175.00	$97.39
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	20	20	$373.00	$189.37
20938 Harvest of bone for spine surgery graft	20	20	$825.00	$173.68
22551 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc	17	17	$4950.00	$1602.71
22612 Fusion of spine in lower back	16	16	$4675.00	$1461.44
64555 Implantation of peripheral nerve neurostimulator electrodes, accessed through the skin	16	14	$1600.00	$310.43
22845 Placement of stabilizing device to front, 2-3 spine bone segments	15	15	$2850.00	$684.17
64590 Insertion or replacement of peripheral, sacral, or gastric neurostimulator generator or receiver	15	14	$775.00	$80.53
22842 Placement of stabilizing device to back, 3-6 spine bone segments	15	15	$2850.00	$717.83
22552 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, each additional disc	13	11	$1250.00	$372.59
63017 Partial removal of bone and/or release of lower spinal cord or spinal nerves	13	13	$4900.00	$816.57
L8683 Radiofrequency transmitter (external) for use with implantable neurostimulator radiofrequency receiver	13	12	$5500.00	$5425.54

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	166	73	$134.00	$68.96
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	121	89	$195.88	$123.44
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	81	22	$175.00	$99.12
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	70	70	$300.00	$130.41
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	63	63	$301.00	$160.19
99213 Established patient office or other outpatient visit, typically 15 minutes	54	46	$125.46	$86.75
22614 Fusion of additional segment of spine	38	18	$1250.00	$374.89
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	34	34	$373.00	$192.11
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	15	15	$165.00	$106.52
22612 Fusion of spine in lower back	13	13	$4600.00	$1519.92
72100 X-ray of lower and sacral spine, 2-3 views	13	13	$65.00	$10.74
20938 Harvest of bone for spine surgery graft	13	13	$825.00	$176.60
22842 Placement of stabilizing device to back, 3-6 spine bone segments	12	12	$2850.00	$730.78

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	315	95	$134.00	$70.65
99213 Established patient office or other outpatient visit, typically 15 minutes	210	141	$125.00	$71.33
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	65	65	$165.00	$102.47
72100 X-ray of lower and sacral spine, 2-3 views	55	46	$65.00	$11.11
72148 MRI scan of lower spinal canal	54	49	$65.00	$64.93
70450 Ct scan head or brain without contrast	39	29	$65.00	$41.91
72040 X-ray of upper spine, 2-3 views	25	20	$65.00	$11.13
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	21	19	$195.00	$103.51
72141 MRI scan of upper spinal canal	21	20	$65.00	$64.77
22614 Fusion of additional segment of spine	20	11	$1250.00	$387.63
22612 Fusion of spine in lower back	20	19	$4600.00	$1531.74
70551 Mri scan of brain without contrast	17	13	$65.00	$64.93
72125 Ct scan of upper spine without contrast	17	15	$65.00	$49.31
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	17	17	$300.00	$135.33
22842 Placement of stabilizing device to back, 3-6 spine bone segments	16	15	$2850.00	$756.68
61312 Aspiration of blood accumulation in brain	16	14	$5250.00	$1929.69
72131 CT scan of lower spine	14	13	$65.00	$48.92
63030 Partial removal of bone with release of spinal cord or spinal nerves of 1 interspace in lower spine	11	11	$3900.00	$601.35

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	464	186	$134.00	$70.48
99213 Established patient office or other outpatient visit, typically 15 minutes	299	194	$125.00	$70.10
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	95	94	$165.00	$102.42
72148 MRI scan of lower spinal canal	94	89	$65.00	$64.09
72100 X-ray of lower and sacral spine, 2-3 views	57	49	$65.00	$11.00
70450 Ct scan head or brain without contrast	48	37	$65.00	$41.58
72141 MRI scan of upper spinal canal	36	34	$65.00	$64.13
72040 X-ray of upper spine, 2-3 views	33	27	$65.00	$11.00
22614 Fusion of additional segment of spine	31	17	$1250.00	$390.48
63030 Partial removal of bone with release of spinal cord or spinal nerves of 1 interspace in lower spine	29	29	$3900.00	$616.08
63035 Partial removal of bone with release of spinal cord or spinal nerves in upper or lower spine	26	22	$895.00	$190.81
22612 Fusion of spine in lower back	25	23	$4600.00	$1524.39
22842 Placement of stabilizing device to back, 3-6 spine bone segments	24	24	$2850.00	$763.17
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	17	17	$195.00	$102.93
72131 CT scan of lower spine	17	17	$65.00	$48.75
20938 Harvest of bone for spine surgery graft	16	16	$825.00	$184.64
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$301.00	$156.51
72125 Ct scan of upper spine without contrast	16	15	$65.00	$52.47
70551 Mri scan of brain without contrast	15	13	$65.00	$64.10
22551 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc	15	15	$4950.00	$1643.74
22845 Placement of stabilizing device to front, 2-3 spine bone segments	14	13	$2850.00	$729.41

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	568	212	$134.00	$67.16
99213 Established patient office or other outpatient visit, typically 15 minutes	256	178	$125.16	$65.56
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	70	70	$165.00	$97.17
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	51	51	$175.00	$96.17
22614 Fusion of additional segment of spine	50	16	$1250.00	$370.56
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	41	39	$195.00	$97.01
72100 X-ray of lower and sacral spine, 2-3 views	31	29	$65.00	$10.43
63030 Partial removal of bone with release of spinal cord or spinal nerves of 1 interspace in lower spine	30	28	$3900.00	$571.87
72148 MRI scan of lower spinal canal	29	28	$65.00	$63.96
63035 Partial removal of bone with release of spinal cord or spinal nerves in upper or lower spine	28	17	$895.00	$180.94
70450 Ct scan head or brain without contrast	24	21	$65.00	$39.45
22845 Placement of stabilizing device to front, 2-3 spine bone segments	23	22	$2850.00	$692.28
22551 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc	22	21	$4950.00	$1600.30
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$301.00	$148.90
72141 MRI scan of upper spinal canal	21	21	$65.00	$63.96
22842 Placement of stabilizing device to back, 3-6 spine bone segments	20	18	$2850.00	$723.32
22612 Fusion of spine in lower back	19	17	$4600.00	$1483.31
72125 Ct scan of upper spine without contrast	17	16	$65.00	$48.93
22552 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, each additional disc	17	14	$1250.00	$377.42
61312 Aspiration of blood accumulation in brain	16	15	$5250.00	$1897.25
20938 Harvest of bone for spine surgery graft	14	14	$825.00	$175.07
72040 X-ray of upper spine, 2-3 views	14	13	$65.00	$11.76
72131 CT scan of lower spine	13	13	$65.00	$45.98

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	386	144	$129.59	$65.97
99213 Established patient office or other outpatient visit, typically 15 minutes	231	155	$122.64	$64.91
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	90	90	$165.00	$96.14
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	59	56	$170.34	$95.37
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	42	39	$179.17	$96.06
99231 Follow-up hospital inpatient care per day, typically 15 minutes	22	16	$100.45	$35.92
63035 Partial removal of bone with release of spinal cord or spinal nerves in upper or lower spine	22	14	$895.00	$179.14
22845 Placement of stabilizing device to front, 2-3 spine bone segments	22	22	$2850.00	$672.13
22551 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc	20	20	$4950.00	$1551.04
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	18	18	$287.44	$147.24
22612 Fusion of spine in lower back	17	16	$4485.29	$1366.48
20938 Harvest of bone for spine surgery graft	16	16	$825.00	$173.01
63030 Partial removal of bone with release of spinal cord or spinal nerves of 1 interspace in lower spine	14	14	$3900.00	$635.45
22842 Placement of stabilizing device to back, 3-6 spine bone segments	14	14	$2850.00	$694.63
22552 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, each additional disc	13	13	$1250.00	$372.83

Medical Specialties & State Licenses

CMS Verified: 2025-07-28

Neurological Surgery Primary Specialty

NUCC Taxonomy Code: 207T00000X

State License OK 3038

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

Medicaid State Provider ID

10096350A (OK)

Commercial Insurance / Payer ID Aetna

0005436495 (OK)

Commercial Insurance / Payer ID Department Of Labor

175215700 (OK)

Hospital & Practice Group Affiliations

Neurological Surgery Inc

6767 S Yale Ave, Tulsa, OK 741363302

Phone: 9184927587

Secondary Practice Locations

6767 S Yale Ave Ste A

Tulsa, OK 741363399

Phone: 9184927587

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active May 19, 2008

NPI status registered as active in NPPES database

📍

Updated Practice Location May 19, 2008

Registered at 2128 S ATLANTA PL, TULSA, OK 741141771 (Tel: 9185835131)

📍

Updated Business Mailing Address May 19, 2008

Registered at 2128 S ATLANTA PL, TULSA, OK 741141771 (Tel: 9185835131)

👤

Provider Name / Credentials Updated May 19, 2008

Recorded as JOHN MAROUK, D.O.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 19, 2008

Neurological Surgery (License #3038 in OK)

🟢

Initial NPI Registration & Enumeration June 08, 2006

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: 1427099035

Entity Type:

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

Enumeration Date: June 08, 2006

Last Update: July 28, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2128 S Atlanta Pl

Tulsa, OK 741141771

Phone: 9185835131

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.