Provider Profile
Mercy N. Wainaina, DNP-PMHNP
Unclaimed ProfileAbout Dr. Wainaina
Listed in the NPI registry as a nurse practitioner, Mercy N. Wainaina, DNP-PMHNP practices in Lynnwood, WA. Mercy is also listed as specializing in mental health clinic and nurse practitioner — psychiatric/mental health. Medicare claims data shows Mercy provided 462 services to 70 patients. The services billed most often include psychotherapy with evaluation and management visit, 30 minutes and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1427605609 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (425) 510-1196
- Email not available
Practice Locations
4630 200TH ST SW STE F
Lynnwood, WA 98036
Procedures Most Often Billed to Medicare
462 services · 70 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy with evaluation and management visit, 30 minutes | Treatment | 90833 |
232 | More often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
230 | More often than most peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 2
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other nurse practitioners in Lynnwood 7
Same specialty, same city.
More connections — 22 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2018 at Other 7
Providers who graduated from the same medical school in the same year.
Also performs Psychotherapy with evaluation and management visit, 30 minutes 7
Providers in WA who bill this service to Medicare most often.
Common questions
What does Mercy N. Wainaina specialize in?
Mercy N. Wainaina is a nurse practitioner in Lynnwood, WA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Mercy N. Wainaina located?
Mercy N. Wainaina is listed at 4630 200Th St Sw Ste F, Lynnwood, WA 98036. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Mercy N. Wainaina's phone number?
The number on file is (425) 510-1196. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Mercy N. Wainaina?
Mercy N. Wainaina's National Provider Identifier is 1427605609. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Mercy N. Wainaina train?
Mercy N. Wainaina attended Other, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mercy N. Wainaina have?
Mercy N. Wainaina has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
What does Mercy N. Wainaina do most often?
According to Medicare billing data, Mercy N. Wainaina provides treatments such as psychotherapy with evaluation and management visit, 30 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Mercy N. Wainaina's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mercy N. Wainaina. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.