Doctor profile · Federal record
Dr. Mark Duncan, DO
Neurological Surgery Physician (CMS: Neurosurgery) · Lawton, OK
- NPI 1538155122
- Accepts Medicare
- 32 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
110 Nw 31St St Fl 2
Lawton, OK 735056100
(580) 248-5255
fax (580) 248-2036 - Mailing address
-
Po Box 785
Lawton, OK 73502
Credentials & registration
- NPI registered
- September 2005 — 21 yrs on file
- Profile last updated
- July 10, 2013
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 207T00000X — NUCC code
- State license (1)
- Oklahoma #3848
- Medicaid
- OK #100114100A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1538155122. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
171
Distinct HCPCS
6
Medicare allowed
$24,471
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99204 |
New patient office or other outpatient visit, 45-59 minutes | 64 | 64 | $127 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 38 | 37 | $93 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 20 | 19 | $63 | |
64721 |
Release and/or relocation of hand nerve | 17 | 14 | $362 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 17 | 17 | $166 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 15 | 15 | $172 |
In context: peer comparison
Among 1 peers in Lawton Neurological Surgery Physician, average services per provider: 28. This provider delivers 6.1× the peer median.Open Payments
Industry payments received
All-time total
$19
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Sk Life Science, INC. | 1 | $19.01 |
By nature of payment
Frequently asked questions
What is Dr. Mark Duncan's medical specialty?
Dr. Mark Duncan practices Neurological Surgery Physician in Lawton, OK.
Where does Dr. Mark Duncan practice?
Dr. Mark Duncan practices at 110 Nw 31St St Fl 2, Lawton, OK 735056100. Office phone: 5802485255.
What is Dr. Mark Duncan's NPI?
Dr. Mark Duncan's National Provider Identifier (NPI) is 1538155122, issued by NPPES.
Does Dr. Mark Duncan accept Medicare assignment?
Yes. Dr. Mark Duncan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Duncan commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.