Gregory Walter Matthews, PA
- Medicare patients, 2024
- 211
- Part D claims, 2024
- 148
- MIPS score, 2024
- 80
- Hospital affiliations
- 5
- Industry payments
- $119
- Practice address
- 1 Medical Center Drive, Lebanon, NH 03756
- Practice phone
- Call (603) 650-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Gregory Matthews' 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 Walter Matthews is a physician assistant in Lebanon, New Hampshire
Gregory Matthews practices at Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire, part of Dartmouth-Hitchcock Health.
Gregory Matthews' NPI, 1467180802, was assigned on August 12, 2022. Gregory Matthews holds New Hampshire license 1996.
- NPI
- 1467180802NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5799150132
- NPI enumeration date
- August 12, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (603) 650-5000
- 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)
Gregory Walter Matthews practices at Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire
Gregory Matthews' primary practice is Dartmouth Hitchcock Medical Center, at 1 Medical Center Drive, Lebanon, NH 03756 in Grafton County. The practice phone is (603) 650-5000.
- Dartmouth Hitchcock Medical Center1 Medical Center Drive, Lebanon, NH 03756 · Grafton CountyPhone(603) 650-5000
Source: Dmand AI Affiliation Data
Gregory Walter Matthews is affiliated with 5 sites of care and 2 medical groups
Gregory Matthews' primary practice is Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire, part of Dartmouth-Hitchcock Health. Gregory Matthews is also affiliated with New London Hospital. The medical group on file is Dartmouth Hitchcock Medical Center. Dmand AI also links Gregory Matthews to 3 more hospitals and 1 medical group, each named with a free account. Gregory Matthews' employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Gregory Walter Matthews' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Matthews practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dartmouth Hitchcock Medical Center | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Dartmouth-Hitchcock Health and 6.2K+ hospitals, with verified contacts in the same login.
Gregory Walter Matthews is one of 796 physician assistants in New Hampshire
Physician assistant is Gregory Matthews' primary specialty in the NPI Registry, under taxonomy code 363A00000X. Gregory Matthews is licensed in New Hampshire.
Specialties and state licenses
- Physician assistant, New HampshirePrimary
Physician assistants near Gregory Matthews
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 Walter Matthews treated 211 Medicare patients in 2024, average age 71
CMS counts 211 Medicare patients who saw Gregory Matthews in 2024. The largest group is 65 to 74, with 117 patients. 73% of them have arthritis, and 62% have high blood pressure. 12% are also on Medicaid. Their average risk score is 1.04, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Gregory Matthews' median patient age at 57, with 61% women.
Gregory Matthews' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Gregory Matthews' Medicare patients by sex, 2024
- Women13664%
- Men7536%
Chronic conditions among Gregory Matthews' Medicare patients, 2024
- Arthritis73%
- High blood pressure62%
- High cholesterol56%
- Mood disorders27%
- Anxiety23%
- Depression23%
- Diabetes20%
- Osteoporosis18%
Share of Medicare patients with each condition. A patient can have several.
Gregory Matthews' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Gregory Walter Matthews wrote 148 Medicare Part D claims in 2024
In 2024, Gregory Matthews wrote 148 Medicare Part D claims for 85 patients. 95% of them were for generic drugs.
Gregory Matthews' Part D claims by kind of drug, 2024
- Generic141 claims95%
- Brand-name and other7 claims5%
Drug classes CMS tracks in Gregory Matthews' Part D claims, 2024
- Opioids41%60 of 148 claims
- Antibiotics15%22 of 148 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
Gregory Walter Matthews scored 80 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 80 out of 100 for Gregory Matthews for performance year 2024, reported through an alternative payment model (APM). Gregory Matthews accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Gregory Matthews' MIPS scores, performance year 2024
- 80of 100Final score
- 53.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Gregory Walter Matthews received $119 in industry payments in 2025
CMS Open Payments shows 1 general payment to Gregory Matthews from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $119.
Companies that paid Gregory Matthews 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 Walter Matthews'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)Clinician Public Reporting: Overall MIPS Performance (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 Walter Matthews
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 Walter Matthews' NPI number?
Gregory Walter Matthews' NPI number is 1467180802. It was assigned on August 12, 2022, and it is active in the NPI Registry.
What does Gregory Walter Matthews specialize in?
Gregory Walter Matthews is a physician assistant in Lebanon, New Hampshire. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Gregory Walter Matthews practice?
Gregory Matthews practices at 1 Medical Center Drive, Lebanon, NH 03756. Gregory Matthews' primary practice is Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire, part of Dartmouth-Hitchcock Health. Dmand AI also links Gregory Matthews to 3 hospitals and 1 medical group.
What is Gregory Walter Matthews' office phone number?
The practice phone on file for Gregory Matthews is (603) 650-5000.
What is Gregory Walter Matthews' medical license number?
Gregory Matthews holds New Hampshire license 1996, one of 2 state licenses on file.
Which hospitals is Gregory Walter Matthews affiliated with?
Gregory Matthews practices at Dartmouth Hitchcock Medical Center in Lebanon, New Hampshire. Gregory Matthews is also affiliated with New London Hospital. Dmand AI links Gregory Matthews to 3 more hospitals.
What medical group is Gregory Walter Matthews part of?
Gregory Matthews is linked to Dartmouth Hitchcock Medical Center. Dmand AI links Gregory Matthews to 1 more medical group.
Does Gregory Walter Matthews accept Medicare?
Yes. CMS lists Gregory Matthews as accepting Medicare assignment.
What is Gregory Walter Matthews' MIPS score?
Gregory Matthews' MIPS final score for performance year 2024 is 80 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Gregory Walter Matthews see?
CMS counts 211 Medicare patients who saw Gregory Matthews in 2024, with an average age of 71.
Has Gregory Walter Matthews received payments from drug or device companies?
CMS Open Payments shows $119 in general payments to Gregory Matthews from 1 company from 2025 to 2025. The largest total came from Stryker Corporation.
How long has Gregory Walter Matthews been practicing?
Gregory Matthews graduated from medical school in 2022, 4 years ago.
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