DR. JOHN GILBERT OAS (M.D.) – Neurology Physician, NPI 1336146638
Neurology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for DR. JOHN GILBERT OAS (M.D.)
Ackerman Road, Columbus, Sharon, Franklin, Ohio, 43202, United States
COLUMBUS, OH 432021559
Phone: (614) 293-4969
Fax: (614) 293-6111
Type: Mailing
920 N HAMILTON RD STE 500
GAHANNA, OH 432301757
Phone: (614) 293-4969
Fax: (614) 293-6111
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $107.
Total Amount is formed as General ($107) + Research ($0) + Ownership ($0) = $107.
Last reported payment date: 2023-11-02 • Largest payer in this snapshot: GENZYME CORPORATION ($107).
Total Amount
$107
General + Research + Ownership
Payments
1
Total payment records
General Amount
$107
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-11-02
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GENZYME CORPORATION | $107 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2005-03-09
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20050309000418 | I | Neurology | OH | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 122 | 118 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 93 | 71 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 29 | 23 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 24 | 24 | $0 |
| 99221 | Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 11 | 11 | $0 |
Insurance plans in this area (ZIP 43202)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Neurology, Sleep Medicine | OH | |
| Nurse Practitioner | OH | |
| Nurse Practitioner | OH | |
| Nurse Practitioner | OH | |
| N E U R O L O G Y | OH | |
| N E U R O L O G Y | OH | |
| Epileptologists, Neurology, Sleep Medicine | OH | |
| - | OH | |
| Epileptologists, Neurology | OH | |
| N E U R O L O G Y | OH |
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