ZAHID N DAR (MD) – Hematology & Oncology Physician, NPI 1003850645
Hematology & Oncology Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
350 HEMATOLOGY/ONCOLOGY in WI
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Provider Addresses for ZAHID N DAR (MD)
2331, Shore Preserve Drive, Oshkosh, Winnebago County, Wisconsin, 54904, United States
OSHKOSH, WI 549047785
Phone: (718) 951-7324
Type: Mailing
Aurora Medical Center, 855, North Westhaven Drive, Oshkosh, Winnebago County, Wisconsin, 54904, United States
OSHKOSH, WI 549047668
Phone: (920) 303-8700
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $49.
Total Amount is formed as General ($49) + Research ($0) + Ownership ($0) = $49.
Last reported payment date: 2024-04-15 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($49).
Total Amount
$49
General + Research + Ownership
Payments
1
Total payment records
General Amount
$49
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-04-15
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merck Sharp & Dohme LLC | $49 |
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: 2004-06-22
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 |
|---|---|---|---|---|
| I20040622001117 | I | Hematology/Oncology | WI | 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 | 527 | 248 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 99 | 48 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 52 | 43 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 12 | 12 | $0 |
Insurance plans in this area (ZIP 54904)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | WI | |
| Family Practice | WI | |
| Family Practice | IL | |
| Geriatric Medicine, Internal Medicine | WI | |
| - | WI | |
| - | WI | |
| - | IL | |
| Family Practice | WI | |
| - | OH | |
| - | WI |
Reviews
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