John O'Connell, MD
NPI 1417932542 · Neurology Physician · Northampton, MA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John O'Connell, MD is a Neurology Physician provider in Northampton, MA (NPI 1417932542).
Provider details
- NPI number
- 1417932542
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 153367 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,120 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,143 | $137 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study95886 | 316 | $104 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 205 | $178 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 170 | $97 |
| Nerve Conduction, 7-8 Studies95910 | 98 | $188 |
| Measurement of Brain Wave Activity (eeg), Awake and Drowsy |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 487 | 95 |
| Levetiracetam | 364 | 70 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 345 | 87 |
| Lamotrigine | 226 | 28 |
| Donepezil Hcl | 220 | 48 |
| Topiramate | 212 | 42 |
| Divalproex Sodiumbrand: Divalproex Sodium Er | 129 | 25 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-13
- Last updated
- 2007-07-13
Frequently asked questions
- What is John O'Connell's NPI number?
- John O'Connell's National Provider Identifier (NPI) is 1417932542, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John O'Connell's specialty?
- John O'Connell is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is John O'Connell located?
- John O'Connell's practice location on file with NPPES is 69 State St, Northampton, MA 01060-3049.
- What is John O'Connell's phone number?
- The practice phone number listed in the NPPES registry for John O'Connell is (413) 586-8156.
- Does John O'Connell accept Medicare?
- John O'Connell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John O'Connell's NPI active?
- Yes — John O'Connell's NPI (1417932542) is active in the NPPES registry as of the last update on 2007-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.