WILLIS JR. HOLLOWAY (M.D.) – Psychiatry Physician, NPI 1023054434
Psychiatry Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
363 PSYCHIATRY in OK
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Provider Addresses for WILLIS JR. HOLLOWAY (M.D.)
North Meridian Avenue, Oklahoma City, Oklahoma County, Oklahoma, 73112, United States
OKLAHOMA CITY, OK 731161423
Phone: (405) 603-8450
Fax: (405) 603-8455
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 49 Open Payments records for all available years, with a total value of $1,958.
Total Amount is formed as General ($1,958) + Research ($0) + Ownership ($0) = $1,958.
Last reported payment date: 2024-12-09 • Largest payer in this snapshot: Boehringer Ingelheim Pharmaceuticals, Inc. ($1,163).
Total Amount
$1,958
General + Research + Ownership
Payments
49
Total payment records
General Amount
$1,958
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-09
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2004-02-25
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 |
|---|---|---|---|---|
| I20040225001083 | I | Psychiatry | OK | 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 |
|---|---|---|---|---|
| 99347 | Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes | 48 | 38 | $0 |
| G0179 | Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a | 27 | 27 | $0 |
| 99348 | Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes | 17 | 14 | $0 |
Insurance plans in this area (ZIP 73116)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | OK | |
| Nurse Practitioner | OK | |
| - | OK | |
| Nurse Practitioner | OK | |
| - | OK | |
| - | OK | |
| Nurse Practitioner | OK | |
| Nurse Practitioner | OK | |
| Nurse Practitioner | OK | |
| Nurse Practitioner | OK |
Reviews
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