Doctor profile · Federal record
Dr. Mercy Wainaina, DNP-PMHNP
Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Mental Health Clinic/Center (Including Community Mental Health Center) · Lynnwood, WA
- NPI 1427605609
- 8 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
4630 200Th St Sw Ste F
Lynnwood, WA 980366608
(425) 510-1196
fax (425) 582-8966
Credentials & registration
- NPI registered
- August 2019 — 7 yrs on file
- Profile last updated
- June 2, 2022
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 363LP0808X — NUCC code
- State license (1)
- Washington #AP60992356
- Medicaid
- WA #217358300
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1427605609. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
490
Distinct HCPCS
2
Medicare allowed
$33,363
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90833 |
Psychotherapy with evaluation and management visit, 30 minutes | 246 | 36 | $52 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 244 | 36 | $84 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 175. This provider delivers 2.8× the peer median.Open Payments
Industry payments received
All-time total
$2,158
Transactions
99
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Tris Pharma Inc | 17 | $355.71 | |
| ABBVIE INC. | 21 | $350.04 | |
| Supernus Pharmaceuticals, Inc. | 15 | $337.88 | |
| ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) | 14 | $294.80 | |
| Axsome Therapeutics, Inc. | 3 | $165.59 | |
| Alkermes, Inc. | 5 | $117.95 | |
| Otsuka America Pharmaceutical, Inc. | 5 | $104.83 | |
| Corium, LLC | 4 | $96.91 | |
| Lundbeck LLC | 4 | $80.96 | |
| Teva Pharmaceuticals USA, Inc. | 2 | $51.04 | |
| Bausch Health US, LLC | 2 | $47.21 | |
| IDORSIA PHARMACEUTICALS US INC | 2 | $45.42 | |
| E.R. Squibb & Sons, L.L.C. | 2 | $44.02 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 2 | $33.02 | |
| Tempus AI, Inc | 1 | $32.64 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,052
Patients
142
Total drug cost
$38,594
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Lamotrigine | Generic | 182 | 30 | $1,866 |
| Aripiprazole | Generic | 121 | 21 | $8,586 |
| Gabapentin | Generic | 83 | 16 | $2,109 |
| Quetiapine Fumarate | Generic | 79 | 17 | $1,917 |
| Bupropion Xl (Bupropion Hcl) | Brand | 75 | 15 | $2,286 |
| Trazodone Hcl | Generic | 75 | 16 | $519 |
| Duloxetine Hcl | Generic | 67 | 0 | $1,181 |
| Alprazolam | Generic | 59 | 0 | $410 |
| Venlafaxine Hcl Er (Venlafaxine Hcl) | Brand | 51 | 0 | $1,255 |
| Olanzapine | Generic | 48 | 12 | $678 |
Frequently asked questions
What is Dr. Mercy Wainaina's medical specialty?
Dr. Mercy Wainaina practices Psychiatric/Mental Health Nurse Practitioner in Lynnwood, WA.
Where does Dr. Mercy Wainaina practice?
Dr. Mercy Wainaina practices at 4630 200Th St Sw Ste F, Lynnwood, WA 980366608. Office phone: 4255101196.
What is Dr. Mercy Wainaina's NPI?
Dr. Mercy Wainaina's National Provider Identifier (NPI) is 1427605609, issued by NPPES.
Does Dr. Mercy Wainaina accept Medicare assignment?
Dr. Mercy Wainaina does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Mercy Wainaina commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy with evaluation and management visit (HCPCS 90833); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.