WILLIAM KNIGHT GRAY (MD) – Emergency Medicine Physician, NPI 1891786000
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
747 EMERGENCY MEDICINE in OK
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Provider Addresses for WILLIAM KNIGHT GRAY (MD)
4500, South Garnett Road East, Tulsa, Oklahoma, 74146, United States
SUITE 919
TULSA, OK 741465229
Phone: (918) 728-6194
Fax: (918) 664-2521
Type: Mailing
Hillcrest Medical Center, 1120, South Utica Avenue, Midtown Terrace, Tulsa, Tulsa County, Oklahoma, 74104, United States
TULSA, OK 741044012
Phone: (918) 728-6194
Fax: (918) 664-2521
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 14 Open Payments records for all available years, with a total value of $639.
Total Amount is formed as General ($639) + Research ($0) + Ownership ($0) = $639.
Last reported payment date: 2024-10-10 • Largest payer in this snapshot: Inari Medical, Inc. ($188).
Total Amount
$639
General + Research + Ownership
Payments
14
Total payment records
General Amount
$639
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Inari Medical, Inc. | $188 |
| ABBVIE INC. | $124 |
| Penumbra, Inc. | $119 |
| PFIZER INC. | $108 |
| AstraZeneca Pharmaceuticals LP | $85 |
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: 2023-07-04
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 4 Medicare enrollment records; no due dates published yet.
Enrollment records
4
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 |
|---|---|---|---|---|
| I20070108000088 | I | Emergency Medicine | OK | TBD |
| I20150211000648 | I | Emergency Medicine | KS | TBD |
| I20181213001491 | I | Emergency Medicine | MO | TBD |
| I20230704000153 | I | Emergency Medicine | TX | 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 |
|---|---|---|---|---|
| 99285 | Emergency department visit with high level of medical decision making | 258 | 253 | $0 |
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 167 | 161 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 107 | 103 | $0 |
| 99291 | Critical care, first 30-74 minutes | 48 | 48 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 28 | 26 | $0 |
Insurance plans in this area (ZIP 74146)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | OK | |
| Nurse Practitioner | OK | |
| - | OK | |
| - | OK | |
| Gastroenterology, Internal Medicine | OK | |
| - | OK | |
| - | OK | |
| - | OK | |
| Emergency Medicine | OK | |
| Internal Medicine, Hospice/Palliative Care | OK |
Reviews
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