Doctor profile · Federal record
Dr. Marc Duke, AGCNS-BC
Clinical Nurse Specialist (CMS: Certified Clinical Nurse Specialist (CNS)) · Austin, TX
- NPI 1659943322
- Accepts Medicare
- 5 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1201 W 38Th St
Austin, TX 787051006
(512) 324-1000 - Additional location
-
4681 College Park Dr
Round Rock, TX 786651526
(512) 671-1100 - Mailing address
-
6003 Marilyn Dr
Austin, TX 787574426
Credentials & registration
- NPI registered
- July 2021 — 5 yrs on file
- Profile last updated
- August 12, 2025
- Year of graduation
- 2021 — 5 yrs since
- Specialty taxonomy
- 364S00000X — NUCC code
- State license (1)
- Texas #1047212
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1659943322. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
316
Distinct HCPCS
3
Medicare allowed
$26,958
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 199 | 37 | $100 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 101 | 28 | $66 | |
G0316 |
Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th | 16 | 15 | $26 |
In context: peer comparison
Among 7 peers in Austin Clinical Nurse Specialist, average services per provider: 108. This provider delivers 2.9× the peer median.Open Payments
Industry payments received
All-time total
$192
Transactions
3
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Scpharmaceuticals INC. | 1 | $98.69 | |
| Abiomed | 1 | $75.41 | |
| Solventum Corporation | 1 | $17.52 |
By nature of payment
Frequently asked questions
What is Dr. Marc Duke's medical specialty?
Dr. Marc Duke practices Clinical Nurse Specialist in Austin, TX.
Where does Dr. Marc Duke practice?
Dr. Marc Duke practices at 1201 W 38Th St, Austin, TX 787051006. Office phone: 5123241000.
What is Dr. Marc Duke's NPI?
Dr. Marc Duke's National Provider Identifier (NPI) is 1659943322, issued by NPPES.
Does Dr. Marc Duke accept Medicare assignment?
Yes. Dr. Marc Duke accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marc Duke commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th (HCPCS G0316). Source: CMS Medicare Physician & Other Practitioners file.