DR. RAMBABU CHALASANI (MD) – Gastroenterology Physician, NPI 1407845399
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,498 GASTROENTEROLOGY in TX
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Provider Addresses for DR. RAMBABU CHALASANI (MD)
Northwest Medical Plaza, 275, Lantern Bend Drive, Houston, Harris County, Texas, 77090, United States
SUITE 200
HOUSTON, TX 770902840
Phone: (281) 440-0101
Fax: (281) 440-6441
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 200 Open Payments records for all available years, with a total value of $4,481.
Total Amount is formed as General ($4,481) + Research ($0) + Ownership ($0) = $4,481.
Last reported payment date: 2024-12-16 • Largest payer in this snapshot: ABBVIE INC. ($1,307).
Total Amount
$4,481
General + Research + Ownership
Payments
200
Total payment records
General Amount
$4,481
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $1,307 |
| QOL Medical, LLC | $384 |
| Takeda Pharmaceuticals U.S.A., Inc. | $312 |
| Janssen Scientific Affairs, LLC | $230 |
| Janssen Biotech, Inc. | $201 |
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: 2012-04-04
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 |
|---|---|---|---|---|
| I20120404000098 | I | Gastroenterology | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 99 | 60 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 48 | 48 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 47 | 47 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 35 | 33 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 33 | 33 | $0 |
Insurance plans in this area (ZIP 77090)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | TX | 88312 | Special stained specimen slides to identify organisms including interpretation and report | 42 | 35 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Gastroenterology, Internal Medicine | TX | |
| Gastroenterology, Internal Medicine | TX | |
| - | MO | |
| P A T H O L O G Y | TX | |
| Physician Assistant | TX | |
| G A S T R O E N T E R O L O G Y | TX | |
| Gastroenterology, Internal Medicine | TX | |
| Gastroenterology, Internal Medicine | TX | |
| Nurse Practitioner | TX |
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