DR. SRINIVAS KALALA (M.D.) – Gastroenterology Physician, NPI 1619140910
Gastroenterology Physician
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Profile Insights
NPPES metrics only — not quality of care.
161 GASTROENTEROLOGY in IA
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Provider Addresses for DR. SRINIVAS KALALA (M.D.)
PO BOX 2758
WATERLOO, IA 507042758
Phone: (319) 235-5390
Type: Mailing
1015, South Hackett Road, Waterloo, Black Hawk County, Iowa, 50701, United States
WATERLOO, IA 507013500
Phone: (319) 234-5990
Fax: (319) 234-5994
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: 2008-05-21
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 |
|---|---|---|---|---|
| I20080521000400 | I | Gastroenterology | 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 |
|---|---|---|---|---|
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 247 | 245 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 163 | 157 | $0 |
| 43249 | Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | 99 | 97 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 69 | 56 | $0 |
| G0105 | Colorectal cancer screening; colonoscopy on individual at high risk | 62 | 62 | $0 |
Insurance plans in this area (ZIP 50704)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | IA | |
| - | IA | |
| O P T O M E T R Y | IA | |
| - | IA | |
| - | IA | |
| Nurse Practitioner | IA | |
| - | IA | |
| - | IA | |
| - | IA | |
| Nurse Practitioner | MN |
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