Active NPI 1538155122 Individual Practitioner Male Practitioner

Dr. Mark O Duncan , DO

Neurological Surgery • Lawton, OK

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Mark Duncan, DO is a certified Neurological Surgery practicing in Lawton, OK. With approximately 32 years of clinical experience since graduating from Oklahoma State University College Of Osteopathic Medicine in 1994, Dr. Duncan delivers high-quality medical care to the local community at 110 NW 31ST ST FL 2.

Dr. Duncan is affiliated with Comanche County Healthcare Corporation and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit, release and/or relocation of hand nerve. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

110 Nw 31st St Fl 2

Lawton, OK 735056100

Telephone 5802485255

Fax 5802482036

Associated Practice Facility / Clinic

🏢 Osu Center For Health Sciences Facility NPI 1730742693

Medicare Profile & Education

Medical School

Oklahoma State University College Of Osteopathic Medicine

Graduation Year

1994

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Neurological Surgery in Lawton, OK

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

32 Yrs -2.7 yrs vs City Avg

City Avg: 34.7 Yrs

State Avg: 31.5 Yrs

Regional Practice Density

4 Specialists

Practicing in Lawton, OK (101 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

82.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Duncan (32 Years) 32 Yrs

Lawton Specialty Average (34.7 Years) 34.7 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	114	89	$310.95	$90.72
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	34	34	$403.08	$124.31
99213 Established patient office or other outpatient visit, typically 15 minutes	25	25	$216.49	$61.44
64721 Release and/or relocation of hand nerve	18	14	$2861.85	$382.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	64	64	$479.13	$126.93
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	38	37	$369.21	$92.94
99213 Established patient office or other outpatient visit, typically 15 minutes	20	19	$259.56	$62.91
64721 Release and/or relocation of hand nerve	17	14	$2779.50	$361.86
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	17	17	$403.00	$165.86
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	15	15	$369.00	$172.36

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	52	44	$369.21	$94.56
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	51	51	$479.13	$128.67
99213 Established patient office or other outpatient visit, typically 15 minutes	25	24	$259.56	$64.43
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	24	24	$370.79	$176.78
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	21	19	$442.69	$138.15
64721 Release and/or relocation of hand nerve	19	14	$2779.50	$369.09
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	17	17	$319.02	$80.43
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	16	11	$154.00	$68.35
63048 Partial removal of spine bone with release of spinal cord and/or nerves	15	11	$2212.00	$200.46
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	14	13	$403.00	$190.19
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	13	13	$6706.00	$888.46

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	111	111	$300.67	$132.52
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	76	68	$172.47	$97.09
99213 Established patient office or other outpatient visit, typically 15 minutes	47	46	$125.91	$65.68
76000 Imaging guidance for procedure, 60 minutes or less	35	33	$260.50	$15.12
64721 Release and/or relocation of hand nerve	21	19	$2779.50	$357.09
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	20	20	$403.00	$193.67
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	18	18	$130.00	$131.45
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	15	15	$369.00	$179.76
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	15	15	$202.87	$81.28
20931 Donor bone graft for spine surgery	14	14	$776.50	$106.81
63030 Partial removal of bone with release of spinal cord or spinal nerves of 1 interspace in lower spine	13	13	$7134.15	$793.41
22845 Placement of stabilizing device to front, 2-3 spine bone segments	11	11	$5464.00	$703.29

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	93	93	$283.00	$128.05
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	51	51	$185.00	$73.42
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	44	38	$120.00	$77.95
99213 Established patient office or other outpatient visit, typically 15 minutes	44	36	$110.00	$50.65
76000 Imaging guidance for procedure, 60 minutes or less	25	25	$260.50	$15.41
99407 Smoking and tobacco use intensive counseling, more than 10 minutes	23	22	$55.56	$25.96
64721 Release and/or relocation of hand nerve	21	18	$2779.50	$319.46
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	14	14	$106.46	$25.41
63030 Partial removal of bone with release of spinal cord or spinal nerves of 1 interspace in lower spine	12	12	$5796.50	$640.26
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	12	12	$166.58	$110.78

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	117	117	$283.00	$126.59
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	105	79	$125.08	$77.22
99213 Established patient office or other outpatient visit, typically 15 minutes	79	64	$110.00	$50.09
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	55	55	$185.00	$74.76
99407 Smoking and tobacco use intensive counseling, more than 10 minutes	38	32	$54.00	$25.41
64721 Release and/or relocation of hand nerve	28	21	$2779.50	$330.85
64483 Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level	24	20	$903.50	$111.19
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	20	20	$403.00	$198.34
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	18	18	$134.86	$108.86
63048 Partial removal of spine bone with release of spinal cord and/or nerves	18	12	$2212.00	$213.55
64484 Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level	15	12	$562.50	$51.83
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	13	13	$6706.00	$842.02
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	12	11	$95.50	$25.04
76000 Imaging guidance for procedure, 60 minutes or less	11	11	$260.50	$15.34

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	124	101	$123.48	$76.20
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	90	90	$373.70	$163.89
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	78	78	$285.12	$125.52
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	67	58	$132.61	$107.65
99407 Smoking and tobacco use intensive counseling, more than 10 minutes	49	42	$54.00	$24.96
99213 Established patient office or other outpatient visit, typically 15 minutes	47	45	$110.31	$49.69
64721 Release and/or relocation of hand nerve	28	23	$2737.11	$325.08
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	23	23	$185.00	$74.36
64483 Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level	21	16	$892.12	$109.37
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	21	12	$782.00	$248.76
76000 Imaging guidance for procedure, 60 minutes or less	19	19	$260.50	$8.59
63048 Partial removal of spine bone with release of spinal cord and/or nerves	18	13	$2212.00	$210.77
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	17	17	$403.00	$196.96
64718 Release and/or relocation of elbow nerve	15	13	$2613.80	$569.12
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	14	14	$6643.43	$925.49
22845 Placement of stabilizing device to front, 2-3 spine bone segments	11	11	$5464.00	$728.26

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	174	174	$283.00	$124.65
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	169	120	$122.00	$75.60
64721 Release and/or relocation of hand nerve	32	25	$2204.55	$364.57
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	25	25	$130.00	$106.77
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	20	14	$782.00	$256.54
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	18	18	$403.00	$194.78
63048 Partial removal of spine bone with release of spinal cord and/or nerves	17	11	$1892.00	$207.93
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	15	15	$369.00	$162.28
99213 Established patient office or other outpatient visit, typically 15 minutes	15	15	$110.00	$48.98
63030 Partial removal of bone with release of spinal cord or spinal nerves of 1 interspace in lower spine	14	14	$7341.82	$885.73
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	13	13	$6503.85	$778.73
22551 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc	12	12	$8584.50	$1593.36
76000 Imaging guidance for procedure, 60 minutes or less	12	12	$260.50	$8.51
64483 Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level	12	11	$914.67	$121.49
22845 Placement of stabilizing device to front, 2-3 spine bone segments	11	11	$5464.00	$719.32

Medical Specialties & State Licenses

Neurological Surgery Primary Specialty

NUCC Taxonomy Code: 207T00000X

State License OK 3848

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

100114100A (OK)

Commercial Insurance / Payer ID Railroad Medicare

140007550

Commercial Insurance / Payer ID Aetna

7358213 (OK)

Commercial Insurance / Payer ID Dol

175194701 (OK)

Hospital & Practice Group Affiliations

Comanche County Healthcare Corporation

110 Nw 31st St, Lawton, OK 735056100

Phone: 5803573671

Practice Associates & Co-Workers

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

2 Associated Practitioners

Dr. Christopher Neumann , MD

Neurological Surgery

NPI 1306051479

Doctor of Medicine (M.D.)

Lindsey Paterson , APRN, NP-C

Nurse Practitioner - Family

NPI 1356911069

Advanced Practice Registered Nurse, Nurse Practitioner (Certified)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active July 10, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location July 10, 2013

Registered at 110 NW 31ST ST FL 2, LAWTON, OK 735056100 (Tel: 5802485255)

📍

Updated Business Mailing Address July 10, 2013

Registered at PO BOX 785, LAWTON, OK 73502 (Tel: 5803579984)

👤

Provider Name / Credentials Updated July 10, 2013

Recorded as MARK DUNCAN, DO

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 10, 2013

Neurological Surgery (License #3848 in OK)

🟢

Initial NPI Registration & Enumeration September 20, 2005

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: 1538155122

Entity Type:

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

Enumeration Date: September 20, 2005

Last Update: July 10, 2013

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 785

Lawton, OK 73502

Phone: 5803579984

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.