Marc Gagnon, PMHNP-BC
NPI 1508631623 · Psychiatric/Mental Health Nurse Practitioner · Avon, CT
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marc Gagnon, PMHNP-BC is a Psychiatric/Mental Health Nurse Practitioner provider in Avon, CT (NPI 1508631623).
Provider details
- NPI number
- 1508631623
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP-BC
- Sex
- Male
- Sole proprietor
- No
- License
- 12627 (CT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
2 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
581 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 130 | $81 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 118 | $94 |
| Residence Visit for Established Patient With Straightforward Medical Decision Making, Per Day, If Using Time, at Least 15 Minutes99347 | 118 | $39 |
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 70 | $63 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 51 | $113 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sertraline Hcl | 176 | 43 |
| Memantine Hcl | 111 | 45 |
| Escitalopram Oxalate | 92 | 25 |
| Donepezil Hcl | 88 | 36 |
| Quetiapine Fumarate | 87 | 29 |
| Trazodone Hcl | 78 | 38 |
| Lorazepam | 76 | 33 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$59 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-11-20
- Last updated
- 2026-03-10
- Certified
- 2026-03-10
Frequently asked questions
- What is Marc Gagnon's NPI number?
- Marc Gagnon's National Provider Identifier (NPI) is 1508631623, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Gagnon's specialty?
- Marc Gagnon is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marc Gagnon located?
- Marc Gagnon's practice location on file with NPPES is 21 Waterville Rd, Avon, CT 06001-2097.
- What is Marc Gagnon's phone number?
- The practice phone number listed in the NPPES registry for Marc Gagnon is (860) 284-0182.
- Does Marc Gagnon accept Medicare?
- Marc Gagnon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marc Gagnon's NPI active?
- Yes — Marc Gagnon's NPI (1508631623) is active in the NPPES registry as of the last update on 2026-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.