DR. TIMOTHY S FENSKE (MD) – Hematology & Oncology Physician, NPI 1104877935
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
770 MEDICAL ONCOLOGY in TX
Provider Addresses for DR. TIMOTHY S FENSKE (MD)
4450 MEDICAL DR FL 1
SAN ANTONIO, TX 782293710
Phone: (210) 575-3817
Fax: (210) 575-4113
Type: Mailing
Froedtert Hospital, 9200, West Wisconsin Avenue, Cannon Park, Wauwatosa, Milwaukee County, Wisconsin, 53226, United States
DIVISION OF NEOPLASTIC DISEASES
MILWAUKEE, WI 532263522
Phone: (414) 805-6800
Fax: (414) 805-6815
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 162 Open Payments records for all available years, with a total value of $169,237.
Total Amount is formed as General ($169,237) + Research ($0) + Ownership ($0) = $169,237.
Last reported payment date: 2024-12-23 • Largest payer in this snapshot: BeiGene USA, Inc. ($31,650).
Total Amount
$169,237
General + Research + Ownership
Payments
162
Total payment records
General Amount
$169,237
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| BeiGene USA, Inc. | $31,650 |
| Seagen Inc. | $28,147 |
| AstraZeneca Pharmaceuticals LP | $22,592 |
| Kite Pharma, Inc. | $19,095 |
| Lilly USA, LLC | $16,487 |
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: 2025-03-05
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 |
|---|---|---|---|---|
| I20050420001111 | I | Medical Oncology | WI | TBD |
| I20250305002264 | I | Medical Oncology | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 273 | 125 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 106 | 87 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 64 | 20 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 45 | 18 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 32 | 28 | $0 |
Insurance plans in this area (ZIP 78229)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| P O D I A T R Y | TX | |
| - | TX | |
| Nurse Practitioner | TX | |
| General Surgery | TX | |
| Pediatric Medicine, Cardiovascular Disease (Cardiology) | TX | |
| N E U R O L O G Y | TX | |
| Internal Medicine | TX | |
| Nurse Practitioner | TX | |
| Urology, General Surgery, Urology | TX | |
| General Surgery | TX |
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