Doctor profile · Federal record
Dr. Nathan Tolley, DO
Psychiatry Physician (CMS: Psychiatry) · Psychiatry Physician · Mount Vernon, WA
- NPI 1235666389
- Accepts Medicare
- 9 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
901 S 5Th St
Mount Vernon, WA 982743942
(360) 814-7300
fax (360) 848-4543
Credentials & registration
- NPI registered
- May 2017 — 9 yrs on file
- Profile last updated
- December 10, 2025
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State licenses (2)
- Washington #OP61220523 · Colorado #0061698
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1235666389. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
308
Distinct HCPCS
4
Medicare allowed
$26,915
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 128 | 37 | $96 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 127 | 29 | $48 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 35 | 35 | $178 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 18 | 16 | $128 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 71. This provider delivers 4.3× the peer median.Open Payments
Industry payments received
All-time total
$20
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 1 | $19.55 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
453
Patients
37
Total drug cost
$9,958
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Mirtazapine | Generic | 56 | 11 | $887 |
| Trazodone Hcl | Generic | 52 | 14 | $217 |
| Fluoxetine Hcl | Generic | 49 | 12 | $610 |
| Olanzapine | Generic | 40 | 0 | $663 |
| Clonazepam | Generic | 29 | 0 | $384 |
| Risperidone | Generic | 29 | 0 | $357 |
| Lamotrigine | Generic | 28 | 0 | $312 |
| Diazepam | Generic | 26 | 0 | $124 |
| Buspirone Hcl | Generic | 23 | 0 | $449 |
| Sertraline Hcl | Generic | 23 | 0 | $319 |
Frequently asked questions
What is Dr. Nathan Tolley's medical specialty?
Dr. Nathan Tolley practices Psychiatry Physician in Mount Vernon, WA.
Where does Dr. Nathan Tolley practice?
Dr. Nathan Tolley practices at 901 S 5Th St, Mount Vernon, WA 982743942. Office phone: 3608147300.
What is Dr. Nathan Tolley's NPI?
Dr. Nathan Tolley's National Provider Identifier (NPI) is 1235666389, issued by NPPES.
Does Dr. Nathan Tolley accept Medicare assignment?
Yes. Dr. Nathan Tolley accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathan Tolley commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.