Hayley Faye Grelson, PA-C
- Hospital affiliations
- 1
- Medical group
- 1
- State licenses
- 2
- Year NPI issued
- 2019
- Practice address
- 300 Longwood Avenue, Boston, MA 02115
- Practice phone
- Call (617) 735-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Hayley Grelson'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.
Hayley Faye Grelson is a physician assistant in Boston, Massachusetts
Hayley Grelson practices at Boston Children's Hospital in Boston, Massachusetts, part of The Children's Hospital.
Hayley Grelson's NPI, 1174169700, was assigned on November 19, 2019. Hayley Grelson holds Massachusetts license PA8956.
- NPI
- 1174169700NPI Registry (opens in a new tab)
- NPI enumeration date
- November 19, 2019
- NPI status
- Active
- Practice phone
- (617) 735-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Hayley Faye Grelson practices at Boston Children's Hospital in Boston, Massachusetts
Hayley Grelson's primary practice is Boston Children's Hospital, at 300 Longwood Avenue, Boston, MA 02115 in Suffolk County. The practice phone is (617) 735-6000.
- Boston Children's Hospital300 Longwood Avenue, Boston, MA 02115 · Suffolk CountyPhone(617) 735-6000
Source: Dmand AI Affiliation Data
Hayley Faye Grelson is affiliated with 2 sites of care and 1 medical group
Hayley Grelson's primary practice is Boston Children's Hospital in Boston, Massachusetts, part of The Children's Hospital. The medical group on file is Boston Children's Hospital Department of Plastic and Oral Surgery. Dmand AI also links Hayley Grelson to 1 more dialysis center, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Hayley Faye Grelson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Hayley Grelson practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Boston Children's Hospital | Available with a free account |
| +1 more affiliated site | 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 The Children's Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Hayley Faye Grelson is one of 3,922 physician assistants in Massachusetts
Physician assistant is Hayley Grelson's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has Hayley Grelson's licenses on file in 2 states: Massachusetts and Ohio.
Specialties and state licenses
- Physician assistant, MassachusettsPrimary
- Ohio license
Physician assistants near Hayley Grelson
Counts of physician assistants 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
Hayley Faye Grelson's patients have a median age of 17
Across all payers, Dmand AI patient panel data puts Hayley Grelson's median patient age at 17, with 55% women.
Hayley Grelson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 17
Patient panel by sex, all payers
- Women55%
- Men43%
Source: Dmand AI Patient Panel Data
Sources for Hayley Faye Grelson'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 Data |
| 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 Hayley Faye Grelson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Hayley Faye Grelson's NPI number?
Hayley Faye Grelson's NPI number is 1174169700. It was assigned on November 19, 2019, and it is active in the NPI Registry.
What does Hayley Faye Grelson specialize in?
Hayley Faye Grelson is a physician assistant in Boston, Massachusetts. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Hayley Faye Grelson practice?
Hayley Grelson practices at 300 Longwood Avenue, Boston, MA 02115. Hayley Grelson's primary practice is Boston Children's Hospital in Boston, Massachusetts, part of The Children's Hospital. Dmand AI also links Hayley Grelson to 1 dialysis center.
What is Hayley Faye Grelson's office phone number?
The practice phone on file for Hayley Grelson is (617) 735-6000.
What is Hayley Faye Grelson's medical license number?
Hayley Grelson holds Massachusetts license PA8956, one of the licenses on file in 2 states.
Which states has Hayley Faye Grelson been licensed in?
Dmand AI has state licenses on file for Hayley Grelson in Massachusetts and Ohio.
Which hospitals is Hayley Faye Grelson affiliated with?
Hayley Grelson practices at Boston Children's Hospital in Boston, Massachusetts.
What medical group is Hayley Faye Grelson part of?
Hayley Grelson is linked to Boston Children's Hospital Department of Plastic and Oral Surgery.
How long has Hayley Faye Grelson been practicing?
Hayley Grelson's NPI was assigned in 2019.
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