Doctor profile · Federal record
Dr. Stephen Duntley, MD
Sleep Medicine (Psychiatry & Neurology) Physician (CMS: Sleep Medicine) · Neurology Physician · Pulmonary Disease Physician · Sleep Medicine (Psychiatry & Neurology) Physician · Aurora, CO
- NPI 1023036720
- Accepts Medicare
- MIPS 93.3 / 100 · 2023
- 38 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
12401 E 17Th Ave
Aurora, CO 800452548
(720) 848-0000 - Additional location
-
12605 E 16Th Ave
Aurora, CO 80045 - Additional location
-
274 Union Blvd, Suite 110
Lakewood, CO 802281813
(303) 951-0600
fax (303) 951-0605 - Mailing address
-
Po Box 110429
Aurora, CO 800420429
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- October 28, 2025
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 2084S0012X — NUCC code
- State licenses (3)
- Colorado #52200 · Missouri #R9J08 · Colorado #DR.0052200
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1023036720. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
561
Distinct HCPCS
9
Medicare allowed
$40,585
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 137 | 111 | $66 | |
95806 |
Sleep study including heart rate, breathing, airflow, and effort | 96 | 87 | $44 | |
95800 |
Sleep study including heart rate, breathing, and sleep time | 68 | 51 | $41 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 68 | 59 | $66 | |
95811 |
Sleep study in sleep lab with continuous airway pressure (6 years or older) | 63 | 63 | $123 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 47 | 47 | $82 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 37 | 31 | $98 | |
95810 |
Sleep study in sleep lab (6 years or older) | 28 | 28 | $119 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 17 | 17 | $82 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 62. This provider delivers 9.0× the peer median.Open Payments
Industry payments received
All-time total
$434
Transactions
3
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| JAZZ PHARMACEUTICALS INC. | 2 | $319.62 | |
| Avadel CNS Pharmaceuticals, LLC | 1 | $114.71 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
467
Patients
25
Total drug cost
$590,819
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Clonazepam | Generic | 60 | 0 | $418 |
| Gabapentin | Generic | 51 | 12 | $768 |
| Modafinil | Generic | 51 | 0 | $3,261 |
| Pramipexole Dihydrochloride (Pramipexole Di-Hcl) | Brand | 50 | 13 | $1,216 |
| Eszopiclone | Generic | 47 | 0 | $751 |
| Armodafinil | Generic | 35 | 0 | $3,563 |
| Temazepam | Generic | 24 | 0 | $149 |
| Xyrem (Sodium Oxybate) | Brand | 22 | 0 | $309,864 |
| Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine) | Brand | 21 | 0 | $1,371 |
| Lorazepam | Generic | 21 | 0 | $145 |
Frequently asked questions
What is Dr. Stephen Duntley's medical specialty?
Dr. Stephen Duntley practices Sleep Medicine (Psychiatry & Neurology) Physician in Aurora, CO.
Where does Dr. Stephen Duntley practice?
Dr. Stephen Duntley practices at 12401 E 17Th Ave, Aurora, CO 800452548. Office phone: 7208480000.
What is Dr. Stephen Duntley's NPI?
Dr. Stephen Duntley's National Provider Identifier (NPI) is 1023036720, issued by NPPES.
Does Dr. Stephen Duntley accept Medicare assignment?
Yes. Dr. Stephen Duntley accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Duntley commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Sleep study including heart rate, breathing, airflow, and effort (HCPCS 95806); Sleep study including heart rate, breathing, and sleep time (HCPCS 95800). Source: CMS Medicare Physician & Other Practitioners file.