John J. O'Connell, MD
Neurology Physician · Northampton, MA
John J. O'Connell, MD is a neurology physician with a practice address in Northampton, Massachusetts, and NPI 1417932542, issued on Dec 13, 2005. Check the license (Massachusetts 153367, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- John J. O'Connell
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 153367 MA
Self-reported in NPPES; status is on the state search - Practice location
- 69 State St, Northampton, MA 01060
- Phone
- (413) 586-8156
- Enumerated
- Dec 13, 2005
- Record last updated
- Jul 13, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 9734350 MA
- Medicare enrollment
- Enrolled (PECOS I20041027000277); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 964 in Massachusetts → Look up another NPI →
Also registered at 69 State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amy Jacobson, P.A.Physician Assistant1346254059
Verify John J. O'Connell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 153367Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average neurology physician in 2024
3,233 Medicare Part D claims for 456 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Gabapentin487 claims
- Levetiracetam364 claims
- Carbidopa-Levodopa345 claims
- Lamotrigine226 claims
- Donepezil Hcl220 claims
- Topiramate212 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 96.7 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
John J. O'Connell among 964 neurology physician records in Massachusetts
John J. O'Connell, MD is one of 964 neurology physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1987 · median 2006 among the 612 with a school on file
- Record last updated2007 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Massachusetts
There are 964 neurology physician records in Massachusetts.
All 964 in Massachusetts → Every provider in Northampton → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Jay Levin, M.D.Northampton, MA 010601912267972
- Ruth Ryan, MDNorthampton, MA 010601205804085
- Daniel Lesley, M.D.Leeds, MA 010531851351878
- Mohammad Hazratji, MDHolyoke, MA 010401578551966
- Muhammad Kareem, MDHolyoke, MA 010401235126061
- Armand Aliotta, M.D.Westfield, MA 010851568498244
- Michael Rossen, M.D.Hadley, MA 010351689675761
- Hebatalla Elhusseiny, M.D.Springfield, MA 011041134570377
Common questions
What is John J. O'Connell, MD's NPI number?
John J. O'Connell, MD's National Provider Identifier (NPI) is 1417932542, issued on Dec 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John J. O'Connell, MD located?
The NPPES record lists a practice address at 69 State St, Northampton, MA, 01060. Phone: (413) 586-8156. Providers update this record themselves, so call before visiting.
How can I verify John J. O'Connell, MD's license?
NPPES lists Massachusetts license number 153367, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John J. O'Connell, MD prescribe under Medicare Part D?
In 2024, John J. O'Connell, MD had 3,233 Medicare Part D claims for 456 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
What is John J. O'Connell, MD's MIPS final score?
The 2023 MIPS final score is 96.7 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.