Dr. John Michael Oconnell, MD
- Part D claims, 2024
- 121
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 640 Marlboro St, Keene, NH 03431
- Practice phone
- Call (717) 277-6565
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
White River Junction VAMC
Keene, New Hampshire
Find Dr. Oconnell'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 Michael Oconnell is an internist in Keene, New Hampshire
Dr. Oconnell practices at White River Junction VAMC in Keene, New Hampshire.
Dr. Oconnell's NPI, 1164430633, was assigned on August 3, 2006. Dr. Oconnell holds Massachusetts license 261309.
- NPI
- 1164430633NPI Registry (opens in a new tab)
- NPI enumeration date
- August 3, 2006
- NPI status
- Active
- Practice phone
- (717) 277-6565
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. John Michael Oconnell practices at White River Junction VAMC in Keene, New Hampshire
Dr. Oconnell's primary practice is White River Junction VAMC, at 640 Marlboro St, Keene, NH 03431 in Cheshire County. The practice phone is (717) 277-6565.
- White River Junction VAMC640 Marlboro St, Keene, NH 03431 · Cheshire CountyPhone(717) 277-6565
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John Michael Oconnell is affiliated with 1 site of care and 1 medical group
Dr. Oconnell's primary practice is White River Junction VAMC in Keene, New Hampshire. Dmand AI also links Dr. Oconnell to 1 medical group, 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 Dr. John Michael Oconnell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Oconnell practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| White River Junction VAMC | Available with a free account |
| +1 medical group | 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.
Dr. John Michael Oconnell is one of 577 internists in New Hampshire
Internal medicine is Dr. Oconnell's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Oconnell is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Oconnell
Counts of internists 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 Michael Oconnell's patients have a median age of 64
Across all payers, Dmand AI patient panel data puts Dr. Oconnell's median patient age at 64, with 11% women.
Dr. Oconnell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women11%
- Men89%
Source: Dmand AI Patient Panel Data
Dr. John Michael Oconnell wrote 121 Medicare Part D claims in 2024
In 2024, Dr. Oconnell wrote 121 Medicare Part D claims for 14 patients. 90% of them were for generic drugs. CMS names the drug for 25 of them, across 2 drugs with 11 or more claims each, at $222 in total drug cost. In 2022, CMS named 14 claims across 1 drug.
Dr. Oconnell's Part D claims by kind of drug, 2024
- Generic109 claims90%
- Brand-name12 claims10%
Dr. Oconnell'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.
Part D claims for drugs CMS names, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 142024: 2579%
Drugs named by CMS: 2 in 2024, 1 in 2022.
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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Dr. John Michael Oconnell'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 and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (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. John Michael Oconnell
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 Michael Oconnell's NPI number?
Dr. John Michael Oconnell's NPI number is 1164430633. It was assigned on August 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Michael Oconnell?
Dr. John Michael Oconnell is an internist in Keene, New Hampshire. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. John Michael Oconnell practice?
Dr. Oconnell practices at 640 Marlboro St, Keene, NH 03431. Dr. Oconnell's primary practice is White River Junction VAMC in Keene, New Hampshire. Dmand AI also links Dr. Oconnell to 1 medical group.
What is Dr. John Michael Oconnell's office phone number?
The practice phone on file for Dr. Oconnell is (717) 277-6565.
What is Dr. John Michael Oconnell's medical license number?
Dr. Oconnell holds Massachusetts license 261309.
What drugs does Dr. John Michael Oconnell prescribe most?
In 2024 Medicare Part D data, Dr. Oconnell's most prescribed drugs by claims were Furosemide and Atorvastatin Calcium.
How long has Dr. John Michael Oconnell been practicing?
Dr. Oconnell's NPI was assigned in 2006.
Selling to internal medicine practices?
See internists in New Hampshire 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