Christopher Eric Gagnon, AGACNP-BC
- Medicare patients, 2024
- 164
- Hospital affiliations
- 2
- Industry payments
- $21
- Medical groups
- 2
- State licenses
- 2
- Practice address
- 333 Borthwick Ave, Portsmouth, NH 03801
- Practice phone
- Call (603) 436-5110
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Christopher Gagnon'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.
Christopher Eric Gagnon is an acute care nurse practitioner in Portsmouth, New Hampshire
Christopher Gagnon practices at Portsmouth Regional Hospital in Portsmouth, New Hampshire, part of HCA Healthcare.
Christopher Gagnon's NPI, 1720412216, was assigned on September 3, 2013. Christopher Gagnon holds New Hampshire license 078621-23.
- NPI
- 1720412216NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436385168
- NPI enumeration date
- September 3, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (603) 436-5110
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Christopher Eric Gagnon practices at Portsmouth Regional Hospital in Portsmouth, New Hampshire
Christopher Gagnon's primary practice is Portsmouth Regional Hospital, at 333 Borthwick Ave, Portsmouth, NH 03801 in Rockingham County. The practice phone is (603) 436-5110.
- Portsmouth Regional Hospital333 Borthwick Ave, Portsmouth, NH 03801 · Rockingham CountyPhone(603) 436-5110
Source: Dmand AI Affiliation Data
Christopher Eric Gagnon is affiliated with 3 sites of care and 2 medical groups
Christopher Gagnon's primary practice is Portsmouth Regional Hospital in Portsmouth, New Hampshire, part of HCA Healthcare. Christopher Gagnon is also affiliated with Frisbie Memorial Hospital. The medical group on file is Wentworth-Douglass Hospital. Dmand AI also links Christopher Gagnon to 1 more ambulatory surgery center and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Christopher Eric Gagnon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Christopher Gagnon practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Portsmouth Regional Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Christopher Eric Gagnon is one of 92 acute care nurse practitioners in New Hampshire
Acute care is Christopher Gagnon's primary specialty in the NPI Registry, under taxonomy code 363LA2100X. Dmand AI has Christopher Gagnon's licenses on file in 2 states: New Hampshire and Massachusetts.
Specialties and state licenses
- Acute care nurse practitioner, New HampshirePrimary
- Nurse practitioner, Massachusetts
Acute care nurse practitioners near Christopher Gagnon
Counts of acute care nurse practitioners 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
Christopher Eric Gagnon treated 164 Medicare patients in 2024, average age 74
CMS counts 164 Medicare patients who saw Christopher Gagnon in 2024. The largest group is 75 to 84, with 63 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 1.90, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Christopher Gagnon's median patient age at 74, with 32% women.
Christopher Gagnon's Medicare patients by age, 2024
Christopher Gagnon's Medicare patients by sex, 2024
- Women7244%
- Men9256%
Chronic conditions among Christopher Gagnon's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease60%
- Heart failure54%
- Atrial fibrillation52%
- Anxiety48%
- Arthritis43%
- Mood disorders41%
Share of Medicare patients with each condition. A patient can have several.
Christopher Gagnon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women32%
- Men65%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Christopher Eric Gagnon takes part in Medicare
Christopher Gagnon 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)
Christopher Eric Gagnon received $21 in industry payments in 2025
CMS Open Payments shows 1 general payment to Christopher Gagnon from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Abiomed paid the most, $21.
Companies that paid Christopher Gagnon 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 Christopher Eric Gagnon'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) |
| 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 Christopher Eric Gagnon
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Christopher Eric Gagnon's NPI number?
Christopher Eric Gagnon's NPI number is 1720412216. It was assigned on September 3, 2013, and it is active in the NPI Registry.
What does Christopher Eric Gagnon specialize in?
Christopher Eric Gagnon is an acute care nurse practitioner in Portsmouth, New Hampshire. The primary specialty in the NPI Registry is Acute Care Nurse Practitioner (taxonomy code 363LA2100X).
Where does Christopher Eric Gagnon practice?
Christopher Gagnon practices at 333 Borthwick Ave, Portsmouth, NH 03801. Christopher Gagnon's primary practice is Portsmouth Regional Hospital in Portsmouth, New Hampshire, part of HCA Healthcare. Dmand AI also links Christopher Gagnon to 1 ambulatory surgery center and 1 medical group.
What is Christopher Eric Gagnon's office phone number?
The practice phone on file for Christopher Gagnon is (603) 436-5110.
What is Christopher Eric Gagnon's medical license number?
Christopher Gagnon holds New Hampshire license 078621-23, one of the licenses on file in 2 states.
Which states has Christopher Eric Gagnon been licensed in?
Dmand AI has state licenses on file for Christopher Gagnon in New Hampshire and Massachusetts.
Which hospitals is Christopher Eric Gagnon affiliated with?
Christopher Gagnon practices at Portsmouth Regional Hospital in Portsmouth, New Hampshire. Christopher Gagnon is also affiliated with Frisbie Memorial Hospital.
What medical group is Christopher Eric Gagnon part of?
Christopher Gagnon is linked to Wentworth-Douglass Hospital. Dmand AI links Christopher Gagnon to 1 more medical group.
Does Christopher Eric Gagnon accept Medicare?
Yes. CMS lists Christopher Gagnon as accepting Medicare assignment.
How many Medicare patients does Christopher Eric Gagnon see?
CMS counts 164 Medicare patients who saw Christopher Gagnon in 2024, with an average age of 74.
Has Christopher Eric Gagnon received payments from drug or device companies?
CMS Open Payments shows $21 in general payments to Christopher Gagnon from 1 company from 2025 to 2025. The largest total came from Abiomed.
How long has Christopher Eric Gagnon been practicing?
Christopher Gagnon graduated from medical school in 2013, 13 years ago.
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