DR. GARFIELD ALEXANDER GRANDISON (M.D.) – Gastroenterology Physician, NPI 1598884041
Gastroenterology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
864 GASTROENTEROLOGY in OH
Provider Addresses for DR. GARFIELD ALEXANDER GRANDISON (M.D.)
2001 SCIOTO TRL STE 200
PORTSMOUTH, OH 456622845
Phone: (740) 353-8100
Fax: (740) 353-8908
Type: Location
1279 Kinney lane
Portsmouth, OH 456623167
Phone: (740) 353-8100
Fax: (740) 353-8908
Type: Location
PO BOX 2379
ASHLAND, KY 411052379
Phone: (606) 408-6200
Fax: (606) 408-6612
Type: Mailing
613 23RD ST STE 430
ASHLAND, KY 411012885
Phone: (606) 408-8200
Fax: (606) 408-6291
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 28 Open Payments records for all available years, with a total value of $456.
Total Amount is formed as General ($456) + Research ($0) + Ownership ($0) = $456.
Last reported payment date: 2024-12-21 • Largest payer in this snapshot: ABBVIE INC. ($177).
Total Amount
$456
General + Research + Ownership
Payments
28
Total payment records
General Amount
$456
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-21
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: 2018-05-02
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 |
|---|---|---|---|---|
| I20120731000169 | I | Gastroenterology | KY | TBD |
| I20180502002142 | 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 |
|---|---|---|---|---|
| 43235 | Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 92 | 86 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 85 | 81 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 67 | 66 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 62 | 57 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 58 | 53 | $0 |
Insurance plans in this area (ZIP 45662)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| G A S T R O E N T E R O L O G Y | KY | |
| Nurse Practitioner | KY | |
| Nurse Practitioner | KY | |
| Cardiac Electrophysiology, Cardiovascular Disease (Cardiology) | KY | |
| Cardiovascular Disease (Cardiology), Internal Medicine | KY | |
| - | KY | |
| Interventional Cardiology | KY | |
| Pulmonary Disease, Critical Care (Intensivists) | KY | |
| Plastic And Reconstructive Surgery | NY | |
| Vascular Surgery, General Surgery | KY |
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