OUSSAMA AL SAWAS (M.D.) – Gastroenterology Physician, NPI 1225151194
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
648 GASTROENTEROLOGY in MI
Provider Addresses for OUSSAMA AL SAWAS (M.D.)
1650 Ramblewood Dr
East Lansing, MI 488237396
Phone: (517) 332-1200
Fax: (517) 351-7122
Type: Location
1650 RAMBLEWOOD DR
EAST LANSING, MI 488237396
Phone: (517) 332-1200
Fax: (517) 351-7122
Type: Mailing
2070 BIDDLE AVE
WYANDOTTE, MI 481924080
Phone: (734) 671-6741
Fax: (313) 876-1305
Type: Location
1 FORD PL STE 3A
DETROIT, MI 482023450
Phone: (800) 653-6568
Fax: (313) 876-1305
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $247.
Total Amount is formed as General ($247) + Research ($0) + Ownership ($0) = $247.
Last reported payment date: 2024-02-20 • Largest payer in this snapshot: Ardelyx, Inc. ($188).
Total Amount
$247
General + Research + Ownership
Payments
4
Total payment records
General Amount
$247
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-02-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Ardelyx, Inc. | $188 |
| ABBVIE INC. | $24 |
| PFIZER INC. | $20 |
| Janssen Biotech, Inc. | $17 |
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: 2008-09-13
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 |
|---|---|---|---|---|
| I20080913000170 | I | Gastroenterology | MI | 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 |
|---|---|---|---|---|
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 125 | 123 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 48 | 48 | $0 |
| 43235 | Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 47 | 46 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 37 | 36 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 29 | 29 | $0 |
Insurance plans in this area (ZIP 48823)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | MI | 43235 | Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope | 19 | 19 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MI | |
| Gastroenterology, Internal Medicine | PA | |
| Certified Registered Nurse Anesthetist (Crna) | MI | |
| Clinical Social Worker | MI | |
| - | MI | |
| Physician Assistant | MI | |
| Qualified Audiologist | MI | |
| O P H T H A L M O L O G Y | MI | |
| - | MI | |
| - | MI |
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