Doctor profile · Federal record
Dr. Nathan Walker, M.D.
Sleep Medicine (Psychiatry & Neurology) Physician (CMS: Neurology) · Student in an Organized Health Care Education/Training Program · Chapel Hill, NC
- NPI 1992119879
- Accepts Medicare
- 13 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
101 Manning Drive
Chapel Hill, NC 275991962
(919) 966-8162 - Mailing address
-
300 Meadowmont Village Cir Ste 200
Chapel Hill, NC 275177518
Credentials & registration
- NPI registered
- June 2014 — 12 yrs on file
- Profile last updated
- June 17, 2022
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 2084S0012X — NUCC code
- State license (1)
- North Carolina #2020-02678
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1992119879. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
342
Distinct HCPCS
10
Medicare allowed
$38,521
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 54 | 18 | $77 | |
95811 |
Sleep study in sleep lab with continuous airway pressure (6 years or older) | 45 | 44 | $119 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 45 | 36 | $139 | |
95810 |
Sleep study in sleep lab (6 years or older) | 37 | 37 | $113 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 36 | 12 | $116 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 35 | 31 | $95 | |
95811 |
Sleep study in sleep lab with continuous airway pressure (6 years or older) | 27 | 27 | $117 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 27 | 27 | $175 | |
95810 |
Sleep study in sleep lab (6 years or older) | 23 | 23 | $115 | |
95806 |
Sleep study including heart rate, breathing, airflow, and effort | 13 | 13 | $43 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 34. This provider delivers 10× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
249
Patients
39
Total drug cost
$5,742
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gabapentin | Generic | 85 | 17 | $1,096 |
| Memantine Hcl | Generic | 51 | 11 | $1,271 |
| Donepezil Hcl | Generic | 29 | 11 | $538 |
| Pregabalin | Generic | 23 | 0 | $886 |
| Sertraline Hcl | Generic | 18 | 0 | $100 |
| Ropinirole Hcl | Generic | 16 | 0 | $201 |
| Armodafinil | Generic | 14 | 0 | $1,587 |
| Escitalopram Oxalate | Generic | 13 | 0 | $63 |
Frequently asked questions
What is Dr. Nathan Walker's medical specialty?
Dr. Nathan Walker practices Sleep Medicine (Psychiatry & Neurology) Physician in Chapel Hill, NC.
Where does Dr. Nathan Walker practice?
Dr. Nathan Walker practices at 101 Manning Drive, Chapel Hill, NC 275991962. Office phone: 9199668162.
What is Dr. Nathan Walker's NPI?
Dr. Nathan Walker's National Provider Identifier (NPI) is 1992119879, issued by NPPES.
Does Dr. Nathan Walker accept Medicare assignment?
Yes. Dr. Nathan Walker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathan Walker commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Sleep study in sleep lab with continuous airway pressure (6 years or older) (HCPCS 95811); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.