Provider Profile
Griffin Longley
Unclaimed ProfileAbout Griffin Longley
Griffin Longley is a physician assistant based in Port Huron, MI. According to Medicare claims data, Griffin cared for 126 Medicare patients across 139 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, aspiration and/or injection of fluid large joint using ultrasound guidance, and x-ray of knee, 1-2 views.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
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
- (810) 985-4900
- Email not available
Practice Locations
940 RIVER CENTRE DR
Port Huron, MI 48060
Procedures Most Often Billed to Medicare
139 services · 126 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid large joint using ultrasound guidance | Procedure | 20611 |
21 | Less often than most peers in Physician Assistant |
| Replacement of knee joint, both sides of knee | Procedure | 27447 |
15 | Less often than most peers in Physician Assistant |
| Replacement of thigh bone and hip joint with prosthesis | Procedure | 27130 |
15 | Less often than most peers in Physician Assistant |
| X-ray of knee, 1-2 views | Imaging | 73560 |
15 | Less often than most peers in Physician Assistant |
| X-ray of hip, 2-3 views | Imaging | 73502 |
13 | Less often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
60 | 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 4
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 — 31 related providers in 4 groups
Other physician assistants in Port Huron 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2022 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid large joint using ultrasound guidance 8
Providers in MI who bill this service to Medicare most often.
Common questions
What does Griffin Longley specialize in?
Griffin Longley is a physician assistant in Port Huron, MI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Griffin Longley located?
Griffin Longley is listed at 940 River Centre Dr, Port Huron, MI 48060. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Griffin Longley's phone number?
The number on file is (810) 985-4900. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Griffin Longley's NPI number?
Griffin Longley's National Provider Identifier is 1568166130. 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 Griffin Longley train?
Griffin Longley attended Other, graduating in 2022. This comes from the CMS National Downloadable File.
CMS public data
How long has Griffin Longley been practicing?
Griffin Longley has 4 years experience. Calculated from a graduation year of 2022, reported in the CMS National Downloadable File.
CMS public data
What does Griffin Longley do most often?
According to Medicare billing data, Griffin Longley performs procedures including aspiration and/or injection of fluid large joint using ultrasound guidance, replacement of knee joint, both sides of knee and replacement of thigh bone and hip joint with prosthesis; reads or performs imaging such as x-ray of knee, 1-2 views and x-ray of hip, 2-3 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Griffin Longley confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Griffin Longley. 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.