Gregory Griffin
- Medicare patients, 2024
- 11
- Part D claims, 2024
- 70
- Hospital affiliations
- 4
- Industry payments
- $15
- Medical group
- 1
- Practice address
- 70 Main Street, Porter, ME 04068
- Practice phone
- Call (207) 625-8126
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sacopee Valley Health Center - Porter
Outpatient Addiction Treatment · Porter, Maine
Find Gregory Griffin'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.
Gregory Griffin is a physician assistant in Porter, Maine
Gregory Griffin practices at Sacopee Valley Health Center - Porter in Porter, Maine.
Gregory Griffin's NPI, 1356129266, was assigned on September 20, 2023.
- NPI
- 1356129266NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082151543
- NPI enumeration date
- September 20, 2023
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (207) 625-8126
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 28
- Medical school graduation
- 2024
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Gregory Griffin practices at Sacopee Valley Health Center - Porter in Porter, Maine
Gregory Griffin's primary practice is Sacopee Valley Health Center - Porter, at 70 Main Street, Porter, ME 04068. The practice phone is (207) 625-8126.
- Sacopee Valley Health Center - Porter70 Main Street, Porter, ME 04068Phone(207) 625-8126
Source: Dmand AI Affiliation Data
Gregory Griffin is affiliated with 6 sites of care and 1 medical group
Gregory Griffin's primary practice is Sacopee Valley Health Center - Porter in Porter, Maine. Gregory Griffin is also affiliated with MaineHealth Maine Medical Center. The medical group on file is Sacopee Valley Health Center. Dmand AI also links Gregory Griffin to 3 more hospitals and 1 community health center, each named with a free account. Gregory Griffin's employer is on file too: a behavioral health center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Gregory Griffin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Griffin practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sacopee Valley Health Center - Porter | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Gregory Griffin is one of 813 physician assistants in Maine
Physician assistant is Gregory Griffin's primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
Physician assistants near Gregory Griffin
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
Gregory Griffin treated 11 Medicare patients in 2024, average age 68
CMS counts 11 Medicare patients who saw Gregory Griffin in 2024. Their average risk score is 1.07, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Gregory Griffin's median patient age at 61, with 31% women.
Gregory Griffin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women31%
- Men69%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Gregory Griffin wrote 70 Medicare Part D claims in 2024
In 2024, Gregory Griffin wrote 70 Medicare Part D claims for 47 patients. 91% of them were for generic drugs.
Gregory Griffin's Part D claims by kind of drug, 2024
- Generic64 claims91%
- Brand-name and other6 claims9%
Drug classes CMS tracks in Gregory Griffin's Part D claims, 2024
- Antibiotics21%15 of 70 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 Gregory Griffin takes part in Medicare
Gregory Griffin 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)
For MedTech and pharma teams
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Gregory Griffin received $15 in industry payments in 2025
CMS Open Payments shows 1 general payment to Gregory Griffin from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Exact Sciences Corporation paid the most, $15.
Companies that paid Gregory Griffin 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 Gregory Griffin'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 Gregory Griffin
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gregory Griffin's NPI number?
Gregory Griffin's NPI number is 1356129266. It was assigned on September 20, 2023, and it is active in the NPI Registry.
What does Gregory Griffin specialize in?
Gregory Griffin is a physician assistant in Porter, Maine. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Gregory Griffin practice?
Gregory Griffin practices at 70 Main Street, Porter, ME 04068. Gregory Griffin's primary practice is Sacopee Valley Health Center - Porter in Porter, Maine. Dmand AI also links Gregory Griffin to 3 hospitals and 1 community health center.
What is Gregory Griffin's office phone number?
The practice phone on file for Gregory Griffin is (207) 625-8126.
Which hospitals is Gregory Griffin affiliated with?
Gregory Griffin is affiliated with MaineHealth Maine Medical Center. Dmand AI links Gregory Griffin to 3 more hospitals.
What medical group is Gregory Griffin part of?
Gregory Griffin is linked to Sacopee Valley Health Center.
Does Gregory Griffin accept Medicare?
Yes. CMS lists Gregory Griffin as accepting Medicare assignment.
How many Medicare patients does Gregory Griffin see?
CMS counts 11 Medicare patients who saw Gregory Griffin in 2024, with an average age of 68.
Has Gregory Griffin received payments from drug or device companies?
CMS Open Payments shows $15 in general payments to Gregory Griffin from 1 company from 2025 to 2025. The largest total came from Exact Sciences Corporation.
How long has Gregory Griffin been practicing?
Gregory Griffin graduated from medical school in 2024, 2 years ago.
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