DR. MICHAEL H BASS (MD) – Gastroenterology Physician, NPI 1841451580
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
777 INTERNAL MEDICINE in DE
Provider Addresses for DR. MICHAEL H BASS (MD)
2600 GLASGOW AVE STE 106
NEWARK, DE 197025703
Phone: (302) 832-1545
Fax: (302) 834-4863
Type: Location
Glasgow Medical Center, 2600, Glasgow Avenue, Melody Meadows II, Newark, New Castle County, Delaware, 19702, United States
SUITE 106
NEWARK, DE 19702
Phone: (302) 832-1545
Fax: (302) 834-4863
Type: Mailing
1941 LIMESTONE RD STE 120
WILMINGTON, DE 198085424
Phone: (302) 832-1545
Fax: (302) 834-4863
Type: Location
PO BOX 5372
WILMINGTON, DE 198080372
Phone: (302) 832-1545
Fax: (302) 834-4863
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 61 Open Payments records for all available years, with a total value of $998.
Total Amount is formed as General ($998) + Research ($0) + Ownership ($0) = $998.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: Salix Pharmaceuticals, a division of Bausch Health US, LLC ($397).
Total Amount
$998
General + Research + Ownership
Payments
61
Total payment records
General Amount
$998
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2017-04-28
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20140904002202 | I | Gastroenterology | MD | TBD |
| I20170428001047 | I | Internal Medicine | DE | 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 | 307 | 251 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 213 | 210 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 206 | 202 | $0 |
| G0121 | Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 104 | 102 | $0 |
| 43249 | Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | 66 | 64 | $0 |
Insurance plans in this area (ZIP 19702)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | PA | |
| Certified Registered Nurse Anesthetist (Crna) | DE | |
| Certified Registered Nurse Anesthetist (Crna) | DE | |
| Physician Assistant | PA | |
| Nurse Practitioner | DE | |
| Certified Registered Nurse Anesthetist (Crna) | PA | |
| - | DE | |
| Gastroenterology, Internal Medicine | DE | |
| A N E S T H E S I O L O G Y | NY | |
| Physician Assistant | DE |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.