Griffin Longley
- Medicare patients, 2024
- 116
- Part D claims, 2024
- 1,028
- Hospital affiliations
- 1
- Industry payments
- $25
- Medical group
- 1
- Practice address
- 1221 Pine Grove Avenue 3rd Floor, North Tower, Port Huron, MI 48060
- Practice phone
- Call (810) 985-2614
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
McLaren Port Huron
Psychiatric Inpatient Facility · Port Huron, Michigan
Find Griffin Longley's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Griffin Longley is a physician assistant in Port Huron, Michigan
Griffin Longley practices at McLaren Port Huron in Port Huron, Michigan.
Griffin Longley's NPI, 1568166130, was assigned on March 28, 2023. Griffin Longley holds Michigan license 5601011643.
- NPI
- 1568166130NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5698140739
- NPI enumeration date
- March 28, 2023
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (810) 985-2614
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Griffin Longley practices at McLaren Port Huron in Port Huron, Michigan
Griffin Longley's primary practice is McLaren Port Huron, at 1221 Pine Grove Avenue 3rd Floor, North Tower, Port Huron, MI 48060. The practice phone is (810) 985-2614.
- McLaren Port Huron1221 Pine Grove Avenue 3rd Floor, North Tower, Port Huron, MI 48060Phone(810) 985-2614
Source: Dmand AI Affiliation Data
Griffin Longley is affiliated with 4 sites of care and 1 medical group
Griffin Longley's primary practice is McLaren Port Huron in Port Huron, Michigan. Griffin Longley is also affiliated with McLaren Port Huron. The medical group on file is Orthopedic Associates of Port Huron. Dmand AI also links Griffin Longley to 1 more breast imaging center and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Griffin Longley's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Griffin Longley practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| McLaren Port Huron | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Griffin Longley is one of 5,857 physician assistants in Michigan
Physician assistant is Griffin Longley's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Griffin Longley is licensed in Michigan.
Specialties and state licenses
- Physician assistant, MichiganPrimary
Physician assistants near Griffin Longley
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Griffin Longley treated 116 Medicare patients in 2024, average age 75
CMS counts 116 Medicare patients who saw Griffin Longley in 2024. The largest group is 65 to 74, with 46 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 1.12, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Griffin Longley's median patient age at 70, with 57% women.
Griffin Longley's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Griffin Longley's Medicare patients by sex, 2024
- Women7766%
- Men3934%
Chronic conditions among Griffin Longley's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease35%
- Chronic kidney disease31%
- Diabetes31%
- Mood disorders30%
- Depression28%
Share of Medicare patients with each condition. A patient can have several.
Griffin Longley's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Griffin Longley wrote 1,028 Medicare Part D claims in 2024
In 2024, Griffin Longley wrote 1,028 Medicare Part D claims for 314 patients. 89% of them were for generic drugs.
Griffin Longley's Part D claims by kind of drug, 2024
- Generic919 claims89%
- Brand-name and other109 claims11%
Drug classes CMS tracks in Griffin Longley's Part D claims, 2024
- Opioids10%99 of 1,028 claims
- Antibiotics6%63 of 1,028 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Griffin Longley takes part in Medicare
Griffin Longley accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Griffin Longley received $25 in industry payments in 2025
CMS Open Payments shows 1 general payment to Griffin Longley from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Heron Therapeutics, Inc. paid the most, $25.
Companies that paid Griffin Longley the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Griffin Longley's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Griffin Longley
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Griffin Longley's NPI number?
Griffin Longley's NPI number is 1568166130. It was assigned on March 28, 2023, and it is active in the NPI Registry.
What does Griffin Longley specialize in?
Griffin Longley is a physician assistant in Port Huron, Michigan. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Griffin Longley practice?
Griffin Longley practices at 1221 Pine Grove Avenue 3rd Floor, North Tower, Port Huron, MI 48060. Griffin Longley's primary practice is McLaren Port Huron in Port Huron, Michigan. Dmand AI also links Griffin Longley to 1 breast imaging center and 1 group practice or clinic.
What is Griffin Longley's office phone number?
The practice phone on file for Griffin Longley is (810) 985-2614.
What is Griffin Longley's medical license number?
Griffin Longley holds Michigan license 5601011643.
Which hospitals is Griffin Longley affiliated with?
Griffin Longley is affiliated with McLaren Port Huron.
What medical group is Griffin Longley part of?
Griffin Longley is linked to Orthopedic Associates of Port Huron.
Does Griffin Longley accept Medicare?
Yes. CMS lists Griffin Longley as accepting Medicare assignment.
How many Medicare patients does Griffin Longley see?
CMS counts 116 Medicare patients who saw Griffin Longley in 2024, with an average age of 75.
Has Griffin Longley received payments from drug or device companies?
CMS Open Payments shows $25 in general payments to Griffin Longley from 1 company from 2025 to 2025. The largest total came from Heron Therapeutics, Inc.
How long has Griffin Longley been practicing?
Griffin Longley graduated from medical school in 2022, 4 years ago.
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