Dr. Gina L. O'Brien, MD
- Part D claims, 2024
- 26
- Hospital affiliations
- 1
- Industry payments
- $59
- Medical groups
- 3
- State license
- 1
- Practice address
- 580 Court Street, Keene, NH 03431
- Practice phone
- Call (603) 354-5400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. O'Brien'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. Gina L. O'Brien is a pediatrician in Keene, New Hampshire
Dr. O'Brien practices at Cheshire Medical Center in Keene, New Hampshire, part of Dartmouth-Hitchcock Health.
Dr. O'Brien's NPI, 1568426039, was assigned on April 13, 2006. Dr. O'Brien holds Massachusetts license 205161.
- NPI
- 1568426039NPI Registry (opens in a new tab)
- NPI enumeration date
- April 13, 2006
- NPI status
- Active
- Practice phone
- (603) 354-5400
- 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
Dr. Gina L. O'Brien practices at Cheshire Medical Center in Keene, New Hampshire
Dr. O'Brien's primary practice is Cheshire Medical Center, at 580 Court Street, Keene, NH 03431 in Cheshire County. The practice phone is (603) 354-5400.
- Cheshire Medical Center580 Court Street, Keene, NH 03431 · Cheshire CountyPhone(603) 354-5400
Source: Dmand AI Affiliation Data
Dr. Gina L. O'Brien is affiliated with 4 sites of care and 3 medical groups
Dr. O'Brien's primary practice is Cheshire Medical Center in Keene, New Hampshire, part of Dartmouth-Hitchcock Health. The medical group on file is Dartmouth Hitchcock Clinics Manchester. Dmand AI also links Dr. O'Brien to 3 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gina L. O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Brien practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cheshire Medical Center | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gina L. O'Brien is one of 265 pediatricians in New Hampshire
Pediatrics is Dr. O'Brien's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. O'Brien is licensed in Massachusetts.
Specialties and state licenses
- Pediatrics, MassachusettsPrimary
Pediatricians near Dr. O'Brien
Counts of pediatricians 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. Gina L. O'Brien's patients have a median age of 10
Across all payers, Dmand AI patient panel data puts Dr. O'Brien's median patient age at 10, with 57% women.
Dr. O'Brien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 10
Patient panel by sex, all payers
- Women57%
- Men43%
Source: Dmand AI Patient Panel Data
Dr. Gina L. O'Brien wrote 26 Medicare Part D claims in 2024
In 2024, Dr. O'Brien wrote 26 Medicare Part D claims for 23 patients. 0% of them were for generic drugs. CMS names the drug for 24 of them, across 2 drugs with 11 or more claims each, at $5,969 in total drug cost.
Dr. O'Brien's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Gina L. O'Brien received $59 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. O'Brien from 1 drug or device company in 2016. Speaker and faculty fees make up the largest share, 100% of the total. Sanofi Pasteur Inc. paid the most, $59.
Companies that paid Dr. O'Brien the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Gina L. O'Brien'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 |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (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 Dr. Gina L. O'Brien
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. Gina L. O'Brien's NPI number?
Dr. Gina L. O'Brien's NPI number is 1568426039. It was assigned on April 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gina L. O'Brien?
Dr. Gina L. O'Brien is a pediatrician in Keene, New Hampshire. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Gina L. O'Brien practice?
Dr. O'Brien practices at 580 Court Street, Keene, NH 03431. Dr. O'Brien's primary practice is Cheshire Medical Center in Keene, New Hampshire, part of Dartmouth-Hitchcock Health. Dmand AI also links Dr. O'Brien to 3 group practices and clinics and 2 medical groups.
What is Dr. Gina L. O'Brien's office phone number?
The practice phone on file for Dr. O'Brien is (603) 354-5400.
What is Dr. Gina L. O'Brien's medical license number?
Dr. O'Brien holds Massachusetts license 205161.
Which hospitals is Dr. Gina L. O'Brien affiliated with?
Dr. O'Brien practices at Cheshire Medical Center in Keene, New Hampshire.
What medical group is Dr. Gina L. O'Brien part of?
Dr. O'Brien is linked to Dartmouth Hitchcock Clinics Manchester. Dmand AI links Dr. O'Brien to 2 more medical groups.
What drugs does Dr. Gina L. O'Brien prescribe most?
In 2024 Medicare Part D data, Dr. O'Brien's most prescribed drugs by claims were Arexvy and Shingrix.
Has Dr. Gina L. O'Brien received payments from drug or device companies?
CMS Open Payments shows $59 in general payments to Dr. O'Brien from 1 company from 2016 to 2016. The largest total came from Sanofi Pasteur Inc.
How long has Dr. Gina L. O'Brien been practicing?
Dr. O'Brien's NPI was assigned in 2006.
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