SREENIVASA R NATTAM (MD) – Hematology & Oncology Physician, NPI 1982606893
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
314 HEMATOLOGY/ONCOLOGY in IN
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Provider Addresses for SREENIVASA R NATTAM (MD)
100, Dupont Road, Fort Wayne, Allen County, Indiana, 46825, United States
FORT WAYNE, IN 468251619
Phone: (260) 484-8830
Fax: (260) 483-1911
Type: Mailing
PO BOX 749495
ATLANTA, GA 303749495
Phone: (855) 963-2100
Fax: (239) 236-2775
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 267 Open Payments records for all available years, with a total value of $16,532.
Total Amount is formed as General ($16,532) + Research ($0) + Ownership ($0) = $16,532.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: Daiichi Sankyo Inc. ($3,343).
Total Amount
$16,532
General + Research + Ownership
Payments
267
Total payment records
General Amount
$16,532
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
1
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Daiichi Sankyo Inc. | $3,343 |
| AstraZeneca Pharmaceuticals LP | $2,056 |
| Cornerstone Specialty Network LLC | $2,050 |
| PFIZER INC. | $1,722 |
| Novartis Pharmaceuticals Corporation | $1,665 |
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: 2010-05-21
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 |
|---|---|---|---|---|
| I20100521000086 | I | Hematology/Oncology | IN | 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 |
|---|---|---|---|---|
| Q0138 | Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) | 15,300 | 23 | $0 |
| J1439 | Injection, ferric carboxymaltose, 1 mg | 13,500 | 14 | $0 |
| J9271 | Injection, pembrolizumab, 1 mg | 11,200 | 21 | $0 |
| J9267 | Injection, paclitaxel, 1 mg | 3,214 | 12 | $0 |
| J0897 | Injection, denosumab, 1 mg | 1,560 | 15 | $0 |
Insurance plans in this area (ZIP 46825)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | IN | |
| H E M A T O L O G Y/ O N C O L O G Y | DE | |
| Nurse Practitioner | NC | |
| Nurse Practitioner | FL | |
| P A T H O L O G Y | FL | |
| Nurse Practitioner | KS | |
| - | MO | |
| Nurse Practitioner | MD | |
| - | GA | |
| - | FL |
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