SWAMINATHAN PADMANABHAN IYER (M.D.) – Hematology (Internal Medicine) Physician, NPI 1063493229
Hematology (Internal Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,006 HEMATOLOGY/ONCOLOGY in TX
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Provider Addresses for SWAMINATHAN PADMANABHAN IYER (M.D.)
University of Texas MD Anderson Cancer Center, 1515, Holcombe Boulevard, Texas Medical Center, Houston, Harris County, Texas, 77030, United States
HOUSTON, TX 770304009
Phone: (713) 792-6161
Type: Location
6445 Main St Fl 21
Houston, TX 770301502
Phone: (713) 441-9948
Fax: (713) 793-1642
Type: Location
P O BOX 4439
HOUSTON, TX 772104439
Phone: (713) 792-2991
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 14 Open Payments records for all available years, with a total value of $2,537.
Total Amount is formed as General ($2,537) + Research ($0) + Ownership ($0) = $2,537.
Last reported payment date: 2024-08-08 • Largest payer in this snapshot: PFIZER INC. ($1,367).
Total Amount
$2,537
General + Research + Ownership
Payments
14
Total payment records
General Amount
$2,537
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-08
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| PFIZER INC. | $1,367 |
| Acrotech Biopharma Inc. | $387 |
| Kyowa Kirin, Inc. | $328 |
| Seagen Inc. | $172 |
| ADC Therapeutics America, Inc. | $151 |
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: 2008-06-02
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 |
|---|---|---|---|---|
| I20080602000183 | I | Hematology | TX | 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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 251 | 64 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 220 | 90 | $0 |
| 99442 | Telephone medical discussion with physician, 11-20 minutes | 43 | 32 | $0 |
| 99443 | Telephone medical discussion with physician, 21-30 minutes | 36 | 26 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 34 | 33 | $0 |
Insurance plans in this area (ZIP 77030)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | TX | |
| N E U R O L O G Y | TX | |
| Physician Assistant | TX | |
| Nurse Practitioner | TX | |
| Physician Assistant | TX | |
| - | TX | |
| - | TX | |
| Internal Medicine, Nephrology | TX | |
| Anesthesiology, Emergency Medicine | TX | |
| G A S T R O E N T E R O L O G Y | TX |
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