S RANGA NATHAN (M.D,) – Gastroenterology Physician, NPI 1235326828
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,510 GASTROENTEROLOGY in TX
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Provider Addresses for S RANGA NATHAN (M.D,)
Memorial Boulevard, Humble, Harris County, Texas, 77338, United States
HUMBLE, TX 773384206
Phone: (281) 446-8114
Fax: (281) 446-1158
Type: Mailing
9816, Memorial Boulevard, Humble, Harris County, Texas, 77338, United States
206
HUMBLE, TX 773384255
Phone: (281) 446-8114
Fax: (281) 446-1158
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2011-11-16
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20111116000080 | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 142 | 89 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 69 | 69 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 56 | 56 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 51 | 51 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 47 | 47 | $0 |
Insurance plans in this area (ZIP 77338)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | TX | 45378 | Diagnostic examination of large bowel using an endoscope | 50 | 50 |
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