DOUGLAS B KLIEWER (M. D.) – Gastroenterology Physician, NPI 1174518906
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,476 INTERNAL MEDICINE in OK
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Provider Addresses for DOUGLAS B KLIEWER (M. D.)
South Yale Avenue, Bixby, Tulsa, Oklahoma, 74008, United States
SUITE 1002
TULSA, OK 741367812
Phone: (918) 481-4706
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 233 Open Payments records for all available years, with a total value of $3,903.
Total Amount is formed as General ($3,903) + Research ($0) + Ownership ($0) = $3,903.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: ABBVIE INC. ($1,070).
Total Amount
$3,903
General + Research + Ownership
Payments
233
Total payment records
General Amount
$3,903
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
2
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $1,070 |
| Takeda Pharmaceuticals U.S.A., Inc. | $507 |
| Celgene Corporation | $293 |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | $281 |
| PFIZER INC. | $243 |
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 |
|---|---|---|---|---|
| I20100927000055 | I | Internal Medicine | OK | TBD |
| I20230308000063 | I | Internal 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 |
|---|---|---|---|---|
| J3380 | Injection, vedolizumab, 1 mg | 4,200 | 11 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 155 | 155 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 110 | 108 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 94 | 75 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 76 | 66 | $0 |
Insurance plans in this area (ZIP 74136)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | OK | |
| Gastroenterology, Internal Medicine | OK | |
| Gastroenterology, Internal Medicine | OK | |
| Gastroenterology, Internal Medicine | OK | |
| Gastroenterology, Internal Medicine | OK | |
| Physician Assistant | MD | |
| - | AR | |
| G A S T R O E N T E R O L O G Y | KS | |
| Internal Medicine, Gastroenterology, Internal Medicine | OK | |
| Gastroenterology, Internal Medicine, Internal Medicine | OK |
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