WILLIAM L FESLER (MD) – Family Medicine Physician, NPI 1730171679
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,775 FAMILY PRACTICE in OK
Loading map...
Provider Addresses for WILLIAM L FESLER (MD)
East Frank Phillips Boulevard, Bartlesville, Washington County, Oklahoma, 74006, United States
BARTLESVILLE, OK 740062439
Phone: (918) 331-2424
Fax: (918) 331-2573
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 8 Open Payments records for all available years, with a total value of $287.
Total Amount is formed as General ($287) + Research ($0) + Ownership ($0) = $287.
Last reported payment date: 2024-10-30 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($170).
Total Amount
$287
General + Research + Ownership
Payments
8
Total payment records
General Amount
$287
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-30
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: 2004-12-14
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 |
|---|---|---|---|---|
| I20041214000996 | I | Family Practice | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 392 | 147 | $0 |
| 99308 | Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 280 | 37 | $0 |
| 83036 | Hemoglobin a1c level | 53 | 31 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 47 | 34 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 45 | 45 | $0 |
Insurance plans in this area (ZIP 74006)
Loading plans...
Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | OK | |
| - | OK | |
| - | OK | |
| Family Practice | OK | |
| - | OK | |
| - | OK | |
| - | OK | |
| - | OK | |
| Emergency Medicine | OK | |
| - | 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.