Massiel Grullon
- Affiliated sites
- 3
- Medical groups
- 4
- State license
- 1
- Year NPI issued
- 2013
- Practice address
- 49 Piermont Ave, Hewlett, NY 11557
- Practice phone
- Call (718) 970-8700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Vantage Medical Associates
Hewlett, New York
Find Massiel Grullon'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.
Massiel Grullon is a family nurse practitioner in Hewlett, New York
Massiel Grullon practices at Vantage Medical Associates in Hewlett, New York.
Massiel Grullon's NPI, 1912248675, was assigned on March 6, 2013. Massiel Grullon holds New York license 337140.
- NPI
- 1912248675NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739323056
- NPI enumeration date
- March 6, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (718) 970-8700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Massiel Grullon practices at Vantage Medical Associates in Hewlett, New York
Massiel Grullon's primary practice is Vantage Medical Associates, at 49 Piermont Ave, Hewlett, NY 11557 in Nassau County. The practice phone is (718) 970-8700.
- Vantage Medical Associates49 Piermont Ave, Hewlett, NY 11557 · Nassau CountyPhone(718) 970-8700
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Massiel Grullon is affiliated with 4 sites of care and 4 medical groups
Massiel Grullon's primary practice is Vantage Medical Associates in Hewlett, New York. The medical group on file is Vantage Medical Associates. Dmand AI also links Massiel Grullon to 3 more group practices and clinics and 3 medical groups, 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 Massiel Grullon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Massiel Grullon practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Vantage Medical Associates | Available with a free account |
| +3 more sites and 3 medical groups | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Massiel Grullon is one of 10,214 family nurse practitioners in New York
Family is Massiel Grullon's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Massiel Grullon is licensed in New York.
Specialties and state licenses
- Family nurse practitioner, New YorkPrimary
Family nurse practitioners near Massiel Grullon
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
Massiel Grullon's patients have a median age of 71
Across all payers, Dmand AI patient panel data puts Massiel Grullon's median patient age at 71, with 75% women.
Massiel Grullon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women75%
- Men24%
Source: Dmand AI Patient Panel Data
Massiel Grullon offers telehealth to Medicare patients
Massiel Grullon accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Massiel Grullon as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Sources for Massiel Grullon'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 |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 Massiel Grullon
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Massiel Grullon's NPI number?
Massiel Grullon's NPI number is 1912248675. It was assigned on March 6, 2013, and it is active in the NPI Registry.
What does Massiel Grullon specialize in?
Massiel Grullon is a family nurse practitioner in Hewlett, New York. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Massiel Grullon practice?
Massiel Grullon practices at 49 Piermont Ave, Hewlett, NY 11557. Massiel Grullon's primary practice is Vantage Medical Associates in Hewlett, New York. Dmand AI also links Massiel Grullon to 3 group practices and clinics and 3 medical groups.
What is Massiel Grullon's office phone number?
The practice phone on file for Massiel Grullon is (718) 970-8700.
What is Massiel Grullon's medical license number?
Massiel Grullon holds New York license 337140.
What medical group is Massiel Grullon part of?
Massiel Grullon is linked to Vantage Medical Associates. Dmand AI links Massiel Grullon to 3 more medical groups.
Does Massiel Grullon accept Medicare?
Yes. CMS lists Massiel Grullon as accepting Medicare assignment.
Does Massiel Grullon offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Massiel Grullon as offering telehealth services.
How long has Massiel Grullon been practicing?
Massiel Grullon graduated from medical school in 2012, 14 years ago.
Selling to family practices?
See family nurse practitioners in New York by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card