DR. MICHAEL R GALAMBOS (M.D.) – Gastroenterology Physician, NPI 1356345011
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
524 GASTROENTEROLOGY in GA
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Provider Addresses for DR. MICHAEL R GALAMBOS (M.D.)
95, Collier Road Northwest, A, Atlanta, Georgia, 30309, United States
STE 4075
ATLANTA, GA 303091751
Phone: (404) 603-3543
Fax: (404) 350-8795
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 82 Open Payments records for all available years, with a total value of $2,712.
Total Amount is formed as General ($2,026) + Research ($686) + Ownership ($0) = $2,712.
Last reported payment date: 2024-11-14 • Largest payer in this snapshot: PFIZER INC. ($800).
Total Amount
$2,712
General + Research + Ownership
Payments
82
Total payment records
General Amount
$2,026
General payments
Research Amount
$686
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-14
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| PFIZER INC. | $800 |
| Eli Lilly and Company | $686 |
| ABBVIE INC. | $407 |
| Janssen Biotech, Inc. | $174 |
| Lilly USA, LLC | $100 |
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: 2010-10-20
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 |
|---|---|---|---|---|
| I20101020000511 | I | Gastroenterology | GA | 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 | 556 | 413 | $0 |
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 513 | 306 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 301 | 218 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 199 | 198 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 179 | 173 | $0 |
Insurance plans in this area (ZIP 30309)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | GA | |
| Internal Medicine | KY | |
| G A S T R O E N T E R O L O G Y | GA | |
| G A S T R O E N T E R O L O G Y | GA | |
| Gastroenterology, Internal Medicine | GA | |
| Nurse Practitioner | GA | |
| G A S T R O E N T E R O L O G Y | GA | |
| Internal Medicine | GA | |
| G A S T R O E N T E R O L O G Y | GA | |
| - | GA |
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