Griffin Longley
Physician Assistant · Port Huron, MI
Griffin Longley is a physician assistant with a practice address in Port Huron, Michigan, and NPI 1568166130, issued on Mar 28, 2023. Check the license (Michigan 5601011643, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Griffin Longley
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 5601011643 MI
Self-reported in NPPES; status is on the state search - Practice location
- 940 River Centre Dr, Port Huron, MI 48060
- Phone
- (810) 985-4900
- Enumerated
- Mar 28, 2023
- Record last updated
- Aug 12, 2024
- Fax
- (810) 985-3634
- Medicare enrollment
- Enrolled (PECOS I20230404000426); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 6,989 in Michigan → Look up another NPI →
Also registered at 940 River Centre Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kyrollos Boules, PTPhysical Therapist1265184303
- William Braaksma, M.D.Orthopaedic Surgery Physician1649409020
- Amy Collins, P.A.-CPhysician Assistant1417959487
- Shelby ConardAthletic Trainer1528440203
- Kathryn Cpak, PA-CMedical Physician Assistant1992008759
- Gary Doss, D.O.Orthopaedic Surgery Physician1457352528
Verify Griffin Longley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 5601011643Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% more Medicare Part D claims than the average physician assistant in 2024
1,028 Medicare Part D claims for 314 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 99 claims were for opioids.
Most prescribed
- Atorvastatin Calcium79 claims
- Hydrocodone-Acetaminophen70 claims
- Omeprazole48 claims
- Levothyroxine Sodium43 claims
- Lisinopril40 claims
- Celecoxib31 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $69.10
3 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Orthopedic Associates OF Port Huron PCPort Huron, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Griffin Longley among 6,989 physician assistant records in Michigan
Griffin Longley is one of 6,989 physician assistant records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 80% of them.
- NPI issued2023 · 80% of these records are older, 14% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2022 · median 2017 among the 4,739 with a school on file
- Record last updated2024 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
39 physician assistant records list a practice address in Port Huron
They are 39 of the 1,657 NPPES records with a practice address in Port Huron, and 6,989 physician assistant records in Michigan.
All 6,989 in Michigan → Every provider in Port Huron → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Randielle Bilbia, PA-CPort Huron, MI 480601952325045
- Tara Blank, PA-CPort Huron, MI 480601841266053
- Amy Collins, P.A.-CPort Huron, MI 480601417959487
- Daniel DillinghamPort Huron, MI 480601639146194
- Erin Dimambro, PA-CPort Huron, MI 480601477576163
- Kim Farris, PA-CPort Huron, MI 480601518912658
- Patrick Geml, PA-C, MPASPort Huron, MI 480601770555062
- Meganne Gerwin, PA-CPort Huron, MI 480601962710566
Common questions
What is Griffin Longley's NPI number?
Griffin Longley's National Provider Identifier (NPI) is 1568166130, issued on Mar 28, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Griffin Longley located?
The NPPES record lists a practice address at 940 River Centre Dr, Port Huron, MI, 48060. Phone: (810) 985-4900. Providers update this record themselves, so call before visiting.
How can I verify Griffin Longley's license?
NPPES lists Michigan license number 5601011643, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Griffin Longley prescribe under Medicare Part D?
In 2024, Griffin Longley had 1,028 Medicare Part D claims for 314 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.