Gregory Marcellin, FNP-BC
- Part D claims, 2024
- 22
- Affiliated sites
- 1
- Medical group
- 1
- State licenses
- 2
- Year NPI issued
- 2015
- Practice address
- 1 Portsmouth Ave, Stratham, NH 03885
- Practice phone
- Call (603) 772-3600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Convenientmd
Urgent Care - Additional Location · Stratham, New Hampshire
Find Gregory Marcellin'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 Marcellin is a family nurse practitioner in Stratham, New Hampshire
Gregory Marcellin practices at Convenientmd in Stratham, New Hampshire.
Gregory Marcellin's NPI, 1881060861, was assigned on August 13, 2015. Gregory Marcellin holds Massachusetts license RN2290802.
- NPI
- 1881060861NPI Registry (opens in a new tab)
- NPI enumeration date
- August 13, 2015
- NPI status
- Active
- Practice phone
- (603) 772-3600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Gregory Marcellin practices at Convenientmd in Stratham, New Hampshire
Gregory Marcellin's primary practice is Convenientmd, at 1 Portsmouth Ave, Stratham, NH 03885. The practice phone is (603) 772-3600.
- Convenientmd1 Portsmouth Ave, Stratham, NH 03885Phone(603) 772-3600
Source: Dmand AI Affiliation Data
Gregory Marcellin is affiliated with 1 site of care and 1 medical group
Gregory Marcellin's primary practice is Convenientmd in Stratham, New Hampshire. The medical group on file is ConvenientMD Urgent Care.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Gregory Marcellin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Marcellin practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Convenientmd | Available with a free account |
Source: Dmand AI Technology Install Data
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Gregory Marcellin is one of 1,066 family nurse practitioners in New Hampshire
Family is Gregory Marcellin's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Dmand AI has Gregory Marcellin's licenses on file in 2 states: Massachusetts and Connecticut.
Specialties and state licenses
- Family nurse practitioner, MassachusettsPrimary
- Connecticut license
Family nurse practitioners near Gregory Marcellin
Counts of family 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
Gregory Marcellin's patients have a median age of 32
Across all payers, Dmand AI patient panel data puts Gregory Marcellin's median patient age at 32, with 76% women.
Gregory Marcellin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 32
Patient panel by sex, all payers
- Women76%
- Men24%
Source: Dmand AI Patient Panel Data
Gregory Marcellin wrote 22 Medicare Part D claims in 2024
In 2024, Gregory Marcellin wrote 22 Medicare Part D claims. 100% of them were for generic drugs.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Sources for Gregory Marcellin'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 Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (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 Marcellin
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 Marcellin's NPI number?
Gregory Marcellin's NPI number is 1881060861. It was assigned on August 13, 2015, and it is active in the NPI Registry.
What does Gregory Marcellin specialize in?
Gregory Marcellin is a family nurse practitioner in Stratham, New Hampshire. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Gregory Marcellin practice?
Gregory Marcellin practices at 1 Portsmouth Ave, Stratham, NH 03885. Gregory Marcellin's primary practice is Convenientmd in Stratham, New Hampshire.
What is Gregory Marcellin's office phone number?
The practice phone on file for Gregory Marcellin is (603) 772-3600.
What is Gregory Marcellin's medical license number?
Gregory Marcellin holds Massachusetts license RN2290802, one of the licenses on file in 2 states.
Which states has Gregory Marcellin been licensed in?
Dmand AI has state licenses on file for Gregory Marcellin in Massachusetts and Connecticut.
What medical group is Gregory Marcellin part of?
Gregory Marcellin is linked to ConvenientMD Urgent Care.
How long has Gregory Marcellin been practicing?
Gregory Marcellin graduated from medical school in 2015, 11 years ago.
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