DR. GEOFFREY ALAN FILLMORE (D.O.) – Gastroenterology Physician, NPI 1013022680
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 DR. GEOFFREY ALAN FILLMORE (D.O.)
East 91st Street, Tulsa, Tulsa County, Oklahoma, 74012, United States
TULSA, OK 741335834
Phone: (918) 940-8500
Fax: (918) 940-8399
Type: Location
GSI Ambulatory Surgery Center, 10210, East 91st Street South, Tulsa, Oklahoma, 74133, United States
SECOND FLOOR
TULSA, OK 741335834
Phone: (918) 940-8500
Fax: (918) 940-8399
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 64 Open Payments records for all available years, with a total value of $1,140.
Total Amount is formed as General ($1,140) + Research ($0) + Ownership ($0) = $1,140.
Last reported payment date: 2024-12-20 • Largest payer in this snapshot: ABBVIE INC. ($542).
Total Amount
$1,140
General + Research + Ownership
Payments
64
Total payment records
General Amount
$1,140
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $542 |
| Gilead Sciences, Inc. | $175 |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | $119 |
| PFIZER INC. | $91 |
| Janssen Biotech, Inc. | $45 |
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: 2011-08-31
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 |
|---|---|---|---|---|
| I20110831000406 | I | Gastroenterology | 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 |
|---|---|---|---|---|
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 177 | 108 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 130 | 123 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 62 | 61 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 61 | 61 | $0 |
| 43235 | Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 53 | 52 | $0 |
Insurance plans in this area (ZIP 74133)
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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 | 36 | 36 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Gastroenterology, Internal Medicine | OK | |
| G A S T R O E N T E R O L O G Y | OK | |
| Gastroenterology, Internal Medicine | OK | |
| Gastroenterology, Internal Medicine | OK | |
| - | OK | |
| Nurse Practitioner | OK | |
| Certified Registered Nurse Anesthetist (Crna) | OK | |
| Certified Registered Nurse Anesthetist (Crna) | OK | |
| Gastroenterology, Internal Medicine | OK | |
| Gastroenterology, Internal Medicine | OK |
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