KIRON VISWAMBHARAN NAIR (MD) – Hematology & Oncology Physician, NPI 1790209914
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
310 HEMATOLOGY/ONCOLOGY in MO
Provider Addresses for KIRON VISWAMBHARAN NAIR (MD)
1600 N 2nd St
Clinton, MO 647351192
Phone: (660) 885-5511
Type: Location
2316 E Meyer Blvd
1 East
Kansas City, MO 641321136
Phone: (816) 601-3990
Fax: (816) 276-3810
Type: Location
1 Brookdale Plz
Brooklyn, NY 112123139
Phone: (718) 240-5000
Type: Location
1229 C AVE E
OSKALOOSA, IA 525774298
Phone: (641) 672-3236
Type: Mailing
5411 KINGS HWY APT A2
BROOKLYN, NY 112036723
Phone: (201) 233-7770
Type: Mailing
1 BROOKDALE PLZ
BROOKLYN, NY 112123139
Phone: (718) 240-5000
Type: Location
2750 Clay Edwards Dr Lowr Level
North Kansas City, MO 641163237
Phone: (816) 691-5216
Fax: (816) 346-7869
Type: Location
4714 W 139TH TER
OVERLAND PARK, KS 662243663
Phone: (201) 233-7770
Type: Mailing
1600 N 2ND ST
CLINTON, MO 647351192
Phone: (660) 885-5511
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 147 Open Payments records for all available years, with a total value of $3,050.
Total Amount is formed as General ($3,050) + Research ($0) + Ownership ($0) = $3,050.
Last reported payment date: 2024-12-23 • Largest payer in this snapshot: Janssen Biotech, Inc. ($278).
Total Amount
$3,050
General + Research + Ownership
Payments
147
Total payment records
General Amount
$3,050
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 |
|---|---|
| Janssen Biotech, Inc. | $278 |
| Seagen Inc. | $215 |
| Celgene Corporation | $209 |
| PFIZER INC. | $203 |
| GlaxoSmithKline, LLC. | $152 |
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: 2026-02-04
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 |
|---|---|---|---|---|
| I20220706002448 | I | Hematology/Oncology | MO | TBD |
| I20260204000634 | I | Hematology/Oncology | IA | 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 | 264 | 115 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 173 | 108 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 56 | 36 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 45 | 45 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 27 | 21 | $0 |
Insurance plans in this area (ZIP 64735)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MO | |
| Family Practice, Osteopathic Manipulative Medicine | MO | |
| - | MO | |
| - | MO | |
| Hospitalist, Internal Medicine | MO | |
| Nurse Practitioner | MO | |
| Nurse Practitioner | DE | |
| General Surgery | MO | |
| N E U R O L O G Y | MO | |
| A N E S T H E S I O L O G Y | MO |
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