DR. NIRANJAN G IYER (M.D.) – Pulmonary Disease Physician, NPI 1174583751
Pulmonary Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,186 PULMONARY DISEASE in TX
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Provider Addresses for DR. NIRANJAN G IYER (M.D.)
501, Orchard Street, Webster, Harris County, Texas, 77598, United States
SUITE 200
WEBSTER, TX 775984145
Phone: (281) 557-8555
Fax: (281) 332-7390
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 145 Open Payments records for all available years, with a total value of $2,852.
Total Amount is formed as General ($2,852) + Research ($0) + Ownership ($0) = $2,852.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($594).
Total Amount
$2,852
General + Research + Ownership
Payments
145
Total payment records
General Amount
$2,852
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $594 |
| GlaxoSmithKline, LLC. | $559 |
| Regeneron Healthcare Solutions, Inc. | $276 |
| Pulmonx Corporation | $147 |
| Insmed, Inc. | $140 |
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: 2010-12-01
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 |
|---|---|---|---|---|
| I20101201001208 | I | Pulmonary Disease | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 844 | 185 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 688 | 380 | $0 |
| 99291 | Critical care, first 30-74 minutes | 211 | 48 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 119 | 109 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 80 | 80 | $0 |
Insurance plans in this area (ZIP 77598)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PULMONARY DISEASE | TX | 36556 | Insertion of central venous catheter for infusion, patient 5 years or older | 15 | 15 |
| PULMONARY DISEASE | TX | 94060 | Measurement and graphic recording of the amount and speed of breathed air, before and following medication administration | 134 | 132 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Pulmonary Disease, Critical Care (Intensivists) | TX | |
| Internal Medicine, Critical Care (Intensivists), Pulmonary Disease | TX | |
| Pulmonary Disease, Critical Care (Intensivists) | OR | |
| Pulmonary Disease, Critical Care (Intensivists) | TX | |
| Nurse Practitioner | TX | |
| Critical Care (Intensivists) | TX | |
| Pulmonary Disease, Critical Care (Intensivists), Internal Medicine, Internal Medicine, Critical Care (Intensivists) | NJ |
Reviews
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