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Edit this profileBased in Saint Louis, MO, John J. O'Keefe, M.D. is listed in the NPI registry under neurology. John graduated from State University of Ny Upstate Medical University in 1975. According to Medicare claims data, John cared for 282 Medicare patients across 326 services. The services billed most often include measurement of brain wave activity (eeg), awake and drowsy, needle measurement of electrical activity in arm or leg muscles, complete study, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1891790788 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
12818 TESSON FERRY RD STE 102
Saint Louis, MO 63128
Within Neurology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
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326 services · 282 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Measurement of brain wave activity (eeg), awake and drowsy | Treatment | 95816 |
96 | More often than most peers in Neurology |
| Needle measurement of electrical activity in arm or leg muscles, complete study | Treatment | 95886 |
85 | As often as other peers in Neurology |
| Nerve conduction, 9-10 studies | Treatment | 95911 |
42 | More often than most peers in Neurology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
72 | As often as other peers in Neurology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
31 | As often as other peers in Neurology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
John J. O'Keefe is a neurologist in Saint Louis, MO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Neurology”.
NPI registry
John J. O'Keefe is listed at 12818 Tesson Ferry Rd Ste 102, Saint Louis, MO 63128. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (314) 849-5665. Contact the office directly to confirm availability and scheduling.
NPI registry
John J. O'Keefe's National Provider Identifier is 1891790788. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
John J. O'Keefe attended State University of Ny Upstate Medical University, graduating in 1975. This comes from the CMS National Downloadable File.
CMS public data
John J. O'Keefe has 51 years experience. Calculated from a graduation year of 1975, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, John J. O'Keefe provides treatments such as measurement of brain wave activity , awake and drowsy and needle measurement of electrical activity in arm or leg muscles, complete study, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by John J. O'Keefe. If this is you, claiming it is free.
Guide.md
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