Griffin Longley
NPI 1568166130 · Physician Assistant · Port Huron, MI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Griffin Longley is a Physician Assistant provider in Port Huron, MI (NPI 1568166130).
Provider details
- NPI number
- 1568166130
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 5601011643 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
3 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
139 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 60 | $75 |
| Aspiration And/Or Injection of Fluid Large Joint Using Ultrasound Guidance20611 | 21 | $80 |
| Replacement of Thigh Bone and Hip Joint With Prosthesis27130 | 15 | $169 |
| Replacement of Knee Joint, Both Sides of Knee27447 | 15 | $169 |
| X-Ray of Knee, 1-2 Views73560 | 15 | $27 |
| X-Ray of Hip, 2-3 Views73502 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 79 | 51 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 70 | 51 |
| Omeprazole | 48 | 40 |
| Levothyroxine Sodium | 43 | 28 |
| Lisinopril | 40 | 24 |
| Celecoxib | 31 | 16 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$69 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-03-28
- Last updated
- 2024-08-12
- Certified
- 2024-08-12
Frequently asked questions
- What is Griffin Longley's NPI number?
- Griffin Longley's National Provider Identifier (NPI) is 1568166130, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Griffin Longley's specialty?
- Griffin Longley is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Griffin Longley located?
- Griffin Longley's practice location on file with NPPES is 940 River Centre Dr, Port Huron, MI 48060-4463.
- What is Griffin Longley's phone number?
- The practice phone number listed in the NPPES registry for Griffin Longley is (810) 985-4900.
- Does Griffin Longley accept Medicare?
- Griffin Longley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Griffin Longley's NPI active?
- Yes — Griffin Longley's NPI (1568166130) is active in the NPPES registry as of the last update on 2024-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.