Medical ErrorsNational Health ProgramsParticle Accelerators
Dr. John J. O'Connell, MD
NPI1417932542PAC ID3971565599
- Medicare services, 2024
- 2,120
- Medicare patients, 2024
- 774
- Part D claims, 2024
- 3,233
- Publications
- 1
- MIPS score, 2024
- 94
- Practice address
- 69 State St, Northampton, MA 01060-3049
- Practice phone
- Call (413) 586-8156
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northampton Neurology
Physician office · Northampton, Massachusetts
Find Dr. O'Connell'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 J. O'Connell is a neurologist in Northampton, Massachusetts
Dr. O'Connell practices at Northampton Neurology in Northampton, Massachusetts.
Dr. O'Connell's NPI, 1417932542, was assigned on December 13, 2005. Dr. O'Connell holds Massachusetts license 153367.
NPI and contact details
- NPI
- 1417932542NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971565599
- NPI enumeration date
- December 13, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (413) 586-8156
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John J. O'Connell practices at Northampton Neurology in Northampton, Massachusetts
Dr. O'Connell's primary practice is Northampton Neurology, at 69 State St, Northampton, MA 01060-3049. The practice phone is (413) 586-8156.
- Northampton Neurology69 State St, Northampton, MA 01060-3049Phone(413) 586-8156
Source: Dmand AI Affiliation Data
Dr. John J. O'Connell is affiliated with 6 sites of care
Dr. O'Connell's primary practice is Northampton Neurology in Northampton, Massachusetts. Dr. O'Connell is also affiliated with Cooley Dickinson Hospital. Dmand AI also links Dr. O'Connell to 4 more hospitals, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John J. O'Connell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Connell practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northampton Neurology | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John J. O'Connell is one of 806 neurologists in Massachusetts
Neurology is Dr. O'Connell's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. O'Connell is licensed in Massachusetts.
Specialties and state licenses
- Neurology, MassachusettsPrimary
Neurologists near Dr. O'Connell
Counts of neurologists with a Dmand AI profile, by place and practice. Each opens the list.
806neurologists in Massachusetts
2neurologists in Northampton
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John J. O'Connell billed Medicare for 2,120 services in 2024
CMS data shows 2,120 Medicare services from Dr. O'Connell across 9 procedure codes in 2024, for 774 Medicare patients. Medicare paid $244,424 for them. Every service was in an office.
Medicare services, 20242,120
Medicare patients774
Paid by Medicare$244,424
Procedure codes9
Dr. O'Connell's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,5872024: 1,5184%
- Tests and treatments
- 2023: 4672024: 60229%
- Drugs given in the office
- 2023: 4,2002024: 0100%
- Surgery
- 2023: 312024: 0100%
Dr. O'Connell compared with the Massachusetts median for neurologists, 2024
- Dr. O'Connell
- Massachusetts median
- Medicare services
- 2,120vs 3146.8 times
- Medicare patients
- 774vs 1784.3 times
- Part D claims
- 3,067vs 27011.4 times
Medians across 741 neurologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. O'Connell's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. O'Connell?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. O'Connell and other neurologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John J. O'Connell treated 774 Medicare patients in 2024, average age 72
CMS counts 774 Medicare patients who saw Dr. O'Connell in 2024. The largest group is 75 to 84, with 285 patients. 62% of them have high cholesterol, and 60% have high blood pressure. 30% are also on Medicaid. Their average risk score is 1.15, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. O'Connell's median patient age at 68, with 64% women.
Medicare patients, 2024774
Average age72
Average risk score1.15
Also on Medicaid30%
Dr. O'Connell's Medicare patients by age, 2024
Dr. O'Connell's Medicare patients by sex, 2024
- Women45158%
- Men32342%
Chronic conditions among Dr. O'Connell's Medicare patients, 2024
- High cholesterol62%
- High blood pressure60%
- Arthritis44%
- Anxiety36%
- Mood disorders36%
- Depression29%
- Diabetes20%
- Asthma18%
Share of Medicare patients with each condition. A patient can have several.
Dr. O'Connell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women64%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John J. O'Connell wrote 3,233 Medicare Part D claims in 2024
In 2024, Dr. O'Connell wrote 3,233 Medicare Part D claims for 456 patients. 92% of them were for generic drugs. CMS names the drug for 3,067 of them, across 46 drugs with 11 or more claims each, at $471,288 in total drug cost. In 2023, CMS named 3,002 claims across 46 drugs.
Part D claims, 20243,233
Drugs named by CMS46
Total drug cost$471,288
Part D patients456
Dr. O'Connell's Part D claims by kind of drug, 2024
- Generic2,983 claims92%
- Brand-name199 claims6%
- Other51 claims2%
Dr. O'Connell'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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,0022024: 3,0672%
Drugs named by CMS: 46 in 2024, 46 in 2023.
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
Dr. John J. O'Connell scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. O'Connell for performance year 2024, reported individually. Dr. O'Connell accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. O'Connell's MIPS scores, performance year 2024
- 94of 100Final score
- 78.3of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. John J. O'Connell has 1 publication on record
Dmand AI links 1 paper to Dr. O'Connell.
Papers1
Recent publications by Dr. O'Connell
See who Dr. O'Connell researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. O'Connell works with, so you can find a warm path to the right neurologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John J. O'Connell received $83 in industry payments from 2016 to 2023
CMS Open Payments shows 6 general payments to Dr. O'Connell from 4 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Depomed, Inc. paid the most, $33.
General payments to Dr. O'Connell by program year, 2016 to 2023
Companies that paid Dr. O'Connell the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John J. O'Connell'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 Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. John J. O'Connell
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 J. O'Connell's NPI number?
Dr. John J. O'Connell's NPI number is 1417932542. It was assigned on December 13, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John J. O'Connell?
Dr. John J. O'Connell is a neurologist in Northampton, Massachusetts. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. John J. O'Connell practice?
Dr. O'Connell practices at 69 State St, Northampton, MA 01060-3049. Dr. O'Connell's primary practice is Northampton Neurology in Northampton, Massachusetts. Dmand AI also links Dr. O'Connell to 4 hospitals.
What is Dr. John J. O'Connell's office phone number?
The practice phone on file for Dr. O'Connell is (413) 586-8156.
What is Dr. John J. O'Connell's medical license number?
Dr. O'Connell holds Massachusetts license 153367.
Which hospitals is Dr. John J. O'Connell affiliated with?
Dr. O'Connell is affiliated with Cooley Dickinson Hospital. Dmand AI links Dr. O'Connell to 4 more hospitals.
Does Dr. John J. O'Connell accept Medicare?
Yes. CMS data shows Dr. O'Connell billed Medicare for 2,120 services in 2024, and Dr. O'Connell accepts Medicare assignment.
What is Dr. John J. O'Connell's MIPS score?
Dr. O'Connell's MIPS final score for performance year 2024 is 94 out of 100, reported individually.
How many Medicare patients does Dr. John J. O'Connell see?
CMS counts 774 Medicare patients who saw Dr. O'Connell in 2024, with an average age of 72.
What services does Dr. John J. O'Connell bill to Medicare?
In 2024, Dr. O'Connell's most billed Medicare services were office visit, established patient (99214), nerve and brain test (95886) and office visit, new patient (99204).
Show 4 more questionsShow fewer questions
What drugs does Dr. John J. O'Connell prescribe most?
In 2024 Medicare Part D data, Dr. O'Connell's most prescribed drugs by claims were Gabapentin, Levetiracetam and Carbidopa-Levodopa.
Has Dr. John J. O'Connell received payments from drug or device companies?
CMS Open Payments shows $83 in general payments to Dr. O'Connell from 4 companies from 2016 to 2023. The largest total came from Depomed, Inc.
How long has Dr. John J. O'Connell been practicing?
Dr. O'Connell graduated from medical school in 1987, 39 years ago.
Does Dr. John J. O'Connell do research?
Dmand AI links 1 publication to Dr. O'Connell.
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