John Oconnor, MD
NPI 1437157203 · General Practice Physician · Prescott, AZ
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Oconnor, MD is a General Practice Physician provider in Prescott, AZ (NPI 1437157203).
Provider details
- NPI number
- 1437157203
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25148 (AZ)
Specialties & taxonomies
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
1,485 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) |
|---|---|---|
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study95886 | 769 | $88 |
| Nerve Conduction, 7-8 Studies95910 | 260 | $160 |
| Nerve Conduction, 3-4 Studies95908 | 108 | $102 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Limited Study95885 | 87 | $56 |
| Nerve Conduction, 5-6 Studies95909 | 82 | $123 |
| Nerve Conduction, 9-10 Studies95911 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 36 |
| Carbamazepinebrand: Carbamazepine Er | 26 |
| Levetiracetam | 23 |
| Lamotrigine | 23 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 19 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 15 |
| Divalproex Sodiumbrand: Divalproex Sodium Er | 14 |
| Fluoxetine Hcl | 12 |
| Glatiramer Acetate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-14
- Last updated
- 2013-09-03
Frequently asked questions
- What is John Oconnor's NPI number?
- John Oconnor's National Provider Identifier (NPI) is 1437157203, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Oconnor's specialty?
- John Oconnor is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is John Oconnor located?
- John Oconnor's practice location on file with NPPES is 3109 Clearwater Drive, Prescott, AZ 86305.
- What is John Oconnor's phone number?
- The practice phone number listed in the NPPES registry for John Oconnor is (928) 778-1066.
- Does John Oconnor accept Medicare?
- John Oconnor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Oconnor's NPI active?
- Yes — John Oconnor's NPI (1437157203) is active in the NPPES registry as of the last update on 2013-09-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.