Dr. John Jay Hagerty III, MD
- Hospital affiliations
- 1
- Industry payments
- $125
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 489 State Street, Bangor, ME 04401
- Practice phone
- Call (207) 973-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Hagerty'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.
Dr. John Jay Hagerty III is a neonatologist in Bangor, Maine
Dr. Hagerty practices at Northern Light Eastern Maine Medical Center in Bangor, Maine, part of Northern Light Health.
Dr. Hagerty's NPI, 1740211283, was assigned on July 5, 2006. Dr. Hagerty graduated from University of Massachusetts Medical School in 1994. Dr. Hagerty holds Maine license 015301.
- NPI
- 1740211283NPI Registry (opens in a new tab)
- NPI enumeration date
- July 5, 2006
- NPI status
- Active
- Practice phone
- (207) 973-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. John Jay Hagerty III practices at Northern Light Eastern Maine Medical Center in Bangor, Maine
Dr. Hagerty's primary practice is Northern Light Eastern Maine Medical Center, at 489 State Street, Bangor, ME 04401 in Penobscot County. The practice phone is (207) 973-7000.
- Northern Light Eastern Maine Medical Center489 State Street, Bangor, ME 04401 · Penobscot CountyPhone(207) 973-7000
Source: Dmand AI Affiliation Data
Dr. John Jay Hagerty III is affiliated with 2 sites of care and 1 medical group
Dr. Hagerty's primary practice is Northern Light Eastern Maine Medical Center in Bangor, Maine, part of Northern Light Health. The medical group on file is Northern Light Eastern Maine Medical Center. Dmand AI also links Dr. Hagerty to 1 more breast imaging center, named with a free account. Dr. Hagerty's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Jay Hagerty III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hagerty practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northern Light Eastern Maine Medical Center | 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 Northern Light Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Jay Hagerty III is one of 16 neonatologists in Maine
Neonatal-perinatal medicine is Dr. Hagerty's primary specialty in the NPI Registry, under taxonomy code 2080N0001X. Dr. Hagerty is licensed in Maine.
Specialties and state licenses
- Neonatal-perinatal medicine, MainePrimary
Neonatologists near Dr. Hagerty
Counts of neonatologists 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
Dr. John Jay Hagerty III's patients have a median age of 2
Across all payers, Dmand AI patient panel data puts Dr. Hagerty's median patient age at 2, with 49% women.
Dr. Hagerty's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 2
Patient panel by sex, all payers
- Women49%
- Men51%
Source: Dmand AI Patient Panel Data
Dr. John Jay Hagerty III received $125 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Hagerty from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Sanofi Pasteur Inc. paid the most, $125.
Companies that paid Dr. Hagerty the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Jay Hagerty III graduated from University of Massachusetts Medical School
Dr. Hagerty graduated from University of Massachusetts Medical School in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Jay Hagerty III'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 |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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 Dr. John Jay Hagerty III
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John Jay Hagerty III's NPI number?
Dr. John Jay Hagerty III's NPI number is 1740211283. It was assigned on July 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Jay Hagerty III?
Dr. John Jay Hagerty III is a neonatologist in Bangor, Maine. The primary specialty in the NPI Registry is Neonatal-Perinatal Medicine Physician (taxonomy code 2080N0001X).
Where does Dr. John Jay Hagerty III practice?
Dr. Hagerty practices at 489 State Street, Bangor, ME 04401. Dr. Hagerty's primary practice is Northern Light Eastern Maine Medical Center in Bangor, Maine, part of Northern Light Health. Dmand AI also links Dr. Hagerty to 1 breast imaging center.
What is Dr. John Jay Hagerty III's office phone number?
The practice phone on file for Dr. Hagerty is (207) 973-7000.
What is Dr. John Jay Hagerty III's medical license number?
Dr. Hagerty holds Maine license 015301.
Which hospitals is Dr. John Jay Hagerty III affiliated with?
Dr. Hagerty practices at Northern Light Eastern Maine Medical Center in Bangor, Maine.
What medical group is Dr. John Jay Hagerty III part of?
Dr. Hagerty is linked to Northern Light Eastern Maine Medical Center.
Where did Dr. John Jay Hagerty III go to medical school?
Dr. Hagerty graduated from University of Massachusetts Medical School in 1994.
Has Dr. John Jay Hagerty III received payments from drug or device companies?
CMS Open Payments shows $125 in general payments to Dr. Hagerty from 1 company from 2025 to 2025. The largest total came from Sanofi Pasteur Inc.
How long has Dr. John Jay Hagerty III been practicing?
Dr. Hagerty graduated from medical school in 1994, 32 years ago.
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