NARESH T GUNARATNAM (M.D.) – Gastroenterology Physician, NPI 1194704486
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
648 GASTROENTEROLOGY in MI
Provider Addresses for NARESH T GUNARATNAM (M.D.)
5300 ELLIOTT DR
YPSILANTI, MI 481978632
Phone: (734) 434-6262
Fax: (734) 712-2820
Type: Mailing
885 N Sandusky Ave
Upper Sandusky, OH 433511098
Phone: (419) 294-5757
Fax: (419) 294-6777
Type: Location
1185 TOWN CENTRE DR STE 205
EAGAN, MN 551231370
Phone: (612) 871-1145
Fax: (612) 870-5491
Type: Location
PO BOX 14909
MINNEAPOLIS, MN 554140909
Phone: (612) 871-1145
Fax: (612) 870-5491
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 6 Open Payments records for all available years, with a total value of $441.
Total Amount is formed as General ($441) + Research ($0) + Ownership ($0) = $441.
Last reported payment date: 2024-10-28 • Largest payer in this snapshot: Regeneron Healthcare Solutions, Inc. ($165).
Total Amount
$441
General + Research + Ownership
Payments
6
Total payment records
General Amount
$441
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-28
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Regeneron Healthcare Solutions, Inc. | $165 |
| ABBVIE INC. | $130 |
| Cardinal Health 110 LLC | $78 |
| PFIZER INC. | $69 |
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: 2025-11-07
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20051227000536 | I | Gastroenterology | MI | TBD |
| I20240823002710 | I | Gastroenterology | MN | TBD |
| I20251107004111 | I | Gastroenterology | OH | 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 | 79 | 79 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 64 | 61 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 50 | 50 | $0 |
| 99490 | Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 39 | 12 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 38 | 31 | $0 |
Insurance plans in this area (ZIP 48197)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MN | |
| - | MN | |
| G A S T R O E N T E R O L O G Y | MN | |
| Certified Registered Nurse Anesthetist (Crna) | MN | |
| G A S T R O E N T E R O L O G Y | IL | |
| G A S T R O E N T E R O L O G Y | MN | |
| Certified Registered Nurse Anesthetist (Crna) | MN | |
| Certified Registered Nurse Anesthetist (Crna) | MN | |
| G A S T R O E N T E R O L O G Y | MN | |
| Pediatric Medicine, Gastroenterology | MN |
Reviews
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