NISARG R DESAI (MD) – Medical Oncology Physician, NPI 1174768956
Medical Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
48 HEMATOLOGY/ONCOLOGY in DE
Provider Addresses for NISARG R DESAI (MD)
32750 Roxana Rd
Millville, DE 199676980
Phone: (302) 645-3770
Fax: (302) 645-5718
Type: Location
424 Savannah Rd
Lewes, DE 199581462
Phone: (302) 645-3499
Fax: (302) 644-4830
Type: Location
18947 JOHN J WILLIAMS HWY UNIT 101
REHOBOTH BEACH, DE 199714480
Phone: (302) 645-3770
Fax: (302) 645-5718
Type: Mailing
1515 SAVANNAH RD FL 2
LEWES, DE 199581675
Phone: (302) 645-3499
Fax: (302) 644-4830
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 11 Open Payments records for all available years, with a total value of $238.
Total Amount is formed as General ($238) + Research ($0) + Ownership ($0) = $238.
Last reported payment date: 2024-12-27 • Largest payer in this snapshot: Novartis Pharmaceuticals Corporation ($111).
Total Amount
$238
General + Research + Ownership
Payments
11
Total payment records
General Amount
$238
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-27
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novartis Pharmaceuticals Corporation | $111 |
| ABBVIE INC. | $26 |
| PFIZER INC. | $20 |
| Rigel Pharmaceuticals, Inc. | $17 |
| Genmab U.S., Inc. | $17 |
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: 2016-08-31
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 |
|---|---|---|---|---|
| I20160831000116 | I | Hematology/Oncology | DE | 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 | 909 | 348 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 429 | 330 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 109 | 85 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 44 | 44 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 36 | 34 | $0 |
Insurance plans in this area (ZIP 19967)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | DE | |
| Nurse Practitioner | DE | |
| Internal Medicine, Cardiovascular Disease (Cardiology), Cardiac Electrophysiology | PA | |
| Internal Medicine, Hematology/Oncology | DE | |
| Registered Dietitian Or Nutrition Professional | DE | |
| Nurse Practitioner | DE | |
| Cardiovascular Disease (Cardiology) | DE | |
| Interventional Cardiology, Internal Medicine | MD | |
| Nurse Practitioner | OR | |
| Nurse Practitioner | DE |
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