Physician Profile
Unclaimed ProfileAbout WILLIAMS
Jonathan Paul Williams, MD is a healthcare provider in O Fallon, MO specializing in epileptologists. Jonathan trained at Howard University College of Medicine, graduating in 2017. Jonathan is also listed as specializing in neurology and neurology / psychiatry. Medicare claims data shows Jonathan provided 242 services to 149 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (636) 916-7060
- Email not available
Practice Locations
20 PROGRESS POINT PKWY STE 200
O Fallon, MO 63368
Procedures Most Often Billed to Medicare
242 services · 149 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional | Treatment | 95720 |
99 |
| Measurement of brain wave activity (eeg), awake and asleep | Treatment | 95819 |
17 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
48 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
37 |
| Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | Billing code | G2212 |
26 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
15 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Class of 2017 at Howard University College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional 8
Providers in MO who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Williams?
Dr. Williams is an epileptologists in O Fallon, MO. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “EPILEPTOLOGISTS”.
NPI registry
What is Dr. Williams's address?
Dr. Williams is listed at 20 PROGRESS POINT PKWY STE 200, O Fallon, MO 63368. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Williams?
The number on file is (636) 916-7060. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Williams?
Dr. Williams's National Provider Identifier is 1700306867. 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
Where did Dr. Williams train?
Dr. Williams attended Howard University College of Medicine, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Williams have?
Dr. Williams has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Williams perform?
According to Medicare billing data, Dr. Williams provides treatments such as measurement of brain wave activity with video , 12-26 hours with review and report by health care professional and measurement of brain wave activity , awake and asleep, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Williams's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Williams. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.