DR. DEVARAJAN P. IYENGAR (M.D.) – Hematology & Oncology Physician, NPI 1689620700
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
6,893 INTERNAL MEDICINE in NJ
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Provider Addresses for DR. DEVARAJAN P. IYENGAR (M.D.)
9, Chelsea Drive, Livingston, Essex County, New Jersey, 07039, United States
LIVINGSTON, NJ 070393424
Phone: (201) 858-1211
Fax: (201) 858-4171
Type: Mailing
27, East 29th Street, Bayonne, Hudson County, New Jersey, 07002, United States
BAYONNE, NJ 070024654
Phone: (201) 858-1211
Fax: (201) 858-4171
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 60 Open Payments records for all available years, with a total value of $1,192.
Total Amount is formed as General ($1,192) + Research ($0) + Ownership ($0) = $1,192.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: Amgen Inc. ($237).
Total Amount
$1,192
General + Research + Ownership
Payments
60
Total payment records
General Amount
$1,192
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Amgen Inc. | $237 |
| Merck Sharp & Dohme LLC | $116 |
| Exelixis Inc. | $100 |
| PFIZER INC. | $93 |
| E.R. Squibb & Sons, L.L.C. | $73 |
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: 2005-06-16
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 |
|---|---|---|---|---|
| I20050616000067 | I | Internal Medicine | NJ | 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 |
|---|---|---|---|---|
| J1756 | Injection, iron sucrose, 1 mg | 30,500 | 39 | $0 |
| J9271 | Injection, pembrolizumab, 1 mg | 8,223 | 11 | $0 |
| J0897 | Injection, denosumab, 1 mg | 7,474 | 32 | $0 |
| J2405 | Injection, ondansetron hydrochloride, per 1 mg | 4,884 | 52 | $0 |
| J1100 | Injection, dexamethasone sodium phosphate, 1 mg | 2,120 | 34 | $0 |
Insurance plans in this area (ZIP 07039)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine, Hematology/Oncology | NY |
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