PATRICK R VOLAK (M. D.) – Gastroenterology Physician, NPI 1174518336
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
143 GASTROENTEROLOGY in OK
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Provider Addresses for PATRICK R VOLAK (M. D.)
South Yale Avenue, Bixby, Tulsa, Oklahoma, 74008, United States
SUITE 1002
TULSA, OK 741367823
Phone: (918) 481-4700
Fax: (918) 481-4765
Type: Location
PO BOX 305
LOWELL, AR 727450305
Phone: (918) 481-4706
Fax: (918) 481-4765
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 246 Open Payments records for all available years, with a total value of $4,192.
Total Amount is formed as General ($4,192) + Research ($0) + Ownership ($0) = $4,192.
Last reported payment date: 2024-12-16 • Largest payer in this snapshot: ABBVIE INC. ($1,163).
Total Amount
$4,192
General + Research + Ownership
Payments
246
Total payment records
General Amount
$4,192
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
2
Ownership records
Last Payment Date
2024-12-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $1,163 |
| Takeda Pharmaceuticals U.S.A., Inc. | $393 |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | $356 |
| PFIZER INC. | $261 |
| Celgene Corporation | $251 |
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: 2023-03-08
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20100927000074 | I | Gastroenterology | OK | TBD |
| I20230308000809 | I | Gastroenterology | 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 |
|---|---|---|---|---|
| J3380 | Injection, vedolizumab, 1 mg | 5,100 | 12 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 194 | 187 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 144 | 131 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 143 | 143 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 129 | 129 | $0 |
Insurance plans in this area (ZIP 74136)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | OK | 43235 | Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope | 15 | 15 |
| GASTROENTEROLOGY | OK | 88312 | Special stained specimen slides to identify organisms including interpretation and report | 80 | 79 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | OK | |
| Gastroenterology, Internal Medicine | OK | |
| Gastroenterology, Internal Medicine | OK | |
| Gastroenterology, Internal Medicine | OK | |
| Internal Medicine, Gastroenterology | OK | |
| Physician Assistant | MD | |
| - | AR | |
| Internal Medicine, Gastroenterology, Internal Medicine | OK | |
| Internal Medicine, Internal Medicine, Gastroenterology | OK | |
| G A S T R O E N T E R O L O G Y | SC |
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