Marissa D. Gregoire, FNP
- Part D claims, 2024
- 45
- MIPS score, 2024
- 95
- Hospital affiliations
- 1
- Medical groups
- 2
- State license
- 1
- Practice address
- 500 J Clyde Morris Blvd, Newport News, VA 23601
- Practice phone
- Call (757) 594-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Riverside Regional Medical Center
Newport News, Virginia
Find Marissa Gregoire'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.
Marissa D. Gregoire is a family nurse practitioner in Newport News, Virginia
Marissa Gregoire practices at Riverside Regional Medical Center in Newport News, Virginia.
Marissa Gregoire's NPI, 1699437251, was assigned on October 12, 2021. Marissa Gregoire holds Virginia license 0024178553.
- NPI
- 1699437251NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9032508619
- NPI enumeration date
- October 12, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (757) 594-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Marissa D. Gregoire practices at Riverside Regional Medical Center in Newport News, Virginia
Marissa Gregoire's primary practice is Riverside Regional Medical Center, at 500 J Clyde Morris Blvd, Newport News, VA 23601 in Newport News City. The practice phone is (757) 594-2000.
- Riverside Regional Medical Center500 J Clyde Morris Blvd, Newport News, VA 23601 · Newport News CityPhone(757) 594-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Marissa D. Gregoire is affiliated with 3 sites of care and 2 medical groups
Marissa Gregoire's primary practice is Riverside Regional Medical Center in Newport News, Virginia. Marissa Gregoire is also affiliated with Ochsner Lafayette General Medical Center. The medical group on file is Riverside Gastroenterology Specialists. Dmand AI also links Marissa Gregoire to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Marissa D. Gregoire's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Marissa Gregoire practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Riverside Regional Medical Center | 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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Marissa D. Gregoire is one of 4,876 family nurse practitioners in Virginia
Family is Marissa Gregoire's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Marissa Gregoire is licensed in Virginia.
Specialties and state licenses
- Family nurse practitioner, VirginiaPrimary
Family nurse practitioners near Marissa Gregoire
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
Marissa D. Gregoire's patients have a median age of 60
Across all payers, Dmand AI patient panel data puts Marissa Gregoire's median patient age at 60, with 59% women.
Marissa Gregoire's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women59%
- Men41%
Source: Dmand AI Patient Panel Data
Marissa D. Gregoire wrote 45 Medicare Part D claims in 2024
In 2024, Marissa Gregoire wrote 45 Medicare Part D claims for 17 patients. 67% of them were for generic drugs.
Marissa Gregoire's Part D claims by kind of drug, 2024
- Generic30 claims67%
- Brand-name15 claims33%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Marissa D. Gregoire scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Marissa Gregoire for performance year 2024, reported through an alternative payment model (APM). Marissa Gregoire accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Marissa Gregoire as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Marissa Gregoire's MIPS scores, performance year 2024
- 95of 100Final score
- 92.9of 100Quality
- 95of 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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Sources for Marissa D. Gregoire'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| 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) |
| 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 Marissa D. Gregoire
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Marissa D. Gregoire's NPI number?
Marissa D. Gregoire's NPI number is 1699437251. It was assigned on October 12, 2021, and it is active in the NPI Registry.
What does Marissa D. Gregoire specialize in?
Marissa D. Gregoire is a family nurse practitioner in Newport News, Virginia. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Marissa D. Gregoire practice?
Marissa Gregoire practices at 500 J Clyde Morris Blvd, Newport News, VA 23601. Marissa Gregoire's primary practice is Riverside Regional Medical Center in Newport News, Virginia. Dmand AI also links Marissa Gregoire to 1 group practice or clinic and 1 medical group.
What is Marissa D. Gregoire's office phone number?
The practice phone on file for Marissa Gregoire is (757) 594-2000.
What is Marissa D. Gregoire's medical license number?
Marissa Gregoire holds Virginia license 0024178553.
Which hospitals is Marissa D. Gregoire affiliated with?
Marissa Gregoire is affiliated with Ochsner Lafayette General Medical Center.
What medical group is Marissa D. Gregoire part of?
Marissa Gregoire is linked to Riverside Gastroenterology Specialists. Dmand AI links Marissa Gregoire to 1 more medical group.
Does Marissa D. Gregoire accept Medicare?
Yes. CMS lists Marissa Gregoire as accepting Medicare assignment.
Does Marissa D. Gregoire offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Marissa Gregoire as offering telehealth services.
What is Marissa D. Gregoire's MIPS score?
Marissa Gregoire's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
How long has Marissa D. Gregoire been practicing?
Marissa Gregoire graduated from medical school in 2019, 7 years ago.
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