DR. CHRISTIAN D CLARK (MD) – Gastroenterology Physician, NPI 1649223710
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
143 GASTROENTEROLOGY in OK
Loading map...
Provider Addresses for DR. CHRISTIAN D CLARK (MD)
6465, South Yale Avenue, Willow Creek, Tulsa, Tulsa County, Oklahoma, 74136, 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
Loading prescription activity...
Open Payments (CMS)
CMS reports 106 Open Payments records for all available years, with a total value of $1,716.
Total Amount is formed as General ($1,716) + Research ($0) + Ownership ($0) = $1,716.
Last reported payment date: 2024-12-02 • Largest payer in this snapshot: ABBVIE INC. ($480).
Total Amount
$1,716
General + Research + Ownership
Payments
106
Total payment records
General Amount
$1,716
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
2
Ownership records
Last Payment Date
2024-12-02
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: 2023-02-20
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20060802000084 | I | Gastroenterology | SC | TBD |
| I20100903000246 | I | Gastroenterology | OK | TBD |
| I20230220002773 | 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 |
|---|---|---|---|---|
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 295 | 285 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 211 | 211 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 184 | 161 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 160 | 160 | $0 |
| 43249 | Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | 82 | 79 | $0 |
Insurance plans in this area (ZIP 74136)
Loading plans...
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 | 37 | 37 |
| GASTROENTEROLOGY | OK | 45378 | Diagnostic examination of large bowel using an endoscope | 63 | 61 |
| GASTROENTEROLOGY | OK | 45385 | Removal of polyps or growths of large bowel using an endoscope | 160 | 156 |
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 | |
| Internal Medicine, Gastroenterology | 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 |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.