Provider Profile
Nicholas J. Grinnell, PA-C
Unclaimed ProfileAbout Nicholas Grinnell
Nicholas J. Grinnell, PA-C is a physician assistant based in Sequim, WA. Nicholas is a 2022 graduate of George Washington University School of Medicine. According to Medicare claims data, Nicholas cared for 139 Medicare patients across 172 services. The services billed most often include blood test, clotting time, routine electrocardiogram (ecg) using at least 12 leads with tracing, and automated urinalysis test.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (360) 683-5900
- Email not available
Practice Locations
808 N 5TH AVE
Sequim, WA 98382
Procedures Most Often Billed to Medicare
172 services · 139 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with tracing | Treatment | 93005 |
51 | More often than most peers in Physician Assistant |
| Blood test, clotting time | Lab test | 85610 |
95 | More often than most peers in Physician Assistant |
| Automated urinalysis test | Lab test | 81003 |
26 | As often as other peers in Physician Assistant |
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 physician assistants at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 30 related providers in 4 groups
Other physician assistants in Sequim 7
Same specialty, same city.
Trained at George Washington University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2022 at George Washington University School of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with tracing 8
Providers in WA who bill this service to Medicare most often.
Common questions
What does Nicholas J. Grinnell specialize in?
Nicholas J. Grinnell is a physician assistant in Sequim, WA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Nicholas J. Grinnell located?
Nicholas J. Grinnell is listed at 808 N 5Th Ave, Sequim, WA 98382. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Nicholas J. Grinnell's phone number?
The number on file is (360) 683-5900. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Nicholas J. Grinnell's NPI number?
Nicholas J. Grinnell's National Provider Identifier is 1568198224. 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 Nicholas J. Grinnell train?
Nicholas J. Grinnell attended George Washington University School of Medicine, graduating in 2022. This comes from the CMS National Downloadable File.
CMS public data
How long has Nicholas J. Grinnell been practicing?
Nicholas J. Grinnell has 4 years experience. Calculated from a graduation year of 2022, reported in the CMS National Downloadable File.
CMS public data
What does Nicholas J. Grinnell do most often?
According to Medicare billing data, Nicholas J. Grinnell provides treatments such as routine electrocardiogram using at least 12 leads with tracing, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Nicholas J. Grinnell confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Nicholas J. Grinnell. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.