DAVID R GIAMMAR (M.D.) – Specialist, NPI 1154307858
Specialist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
133 COLORECTAL SURGERY (PROCTOLOGY) in OH
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Provider Addresses for DAVID R GIAMMAR (M.D.)
East Broad Street, Columbus, Ohio, 43068, United States
SUITE 120
COLUMBUS, OH 432131562
Phone: (614) 864-1000
Fax: (614) 864-1444
Type: Mailing
3853 TRUEMAN CT
HILLIARD, OH 430262496
Phone: (614) 210-2563
Fax: (614) 210-2563
Type: Mailing
477 COOPER RD STE 440
WESTERVILLE, OH 430818055
Phone: (380) 898-5561
Fax: (380) 898-5563
Type: Location
136 LINDEN DR STE 104
WINCHESTER, VA 226016900
Phone: (540) 678-3588
Fax: (540) 678-9025
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 12 Open Payments records for all available years, with a total value of $328.
Total Amount is formed as General ($328) + Research ($0) + Ownership ($0) = $328.
Last reported payment date: 2024-08-27 • Largest payer in this snapshot: Takeda Pharmaceuticals U.S.A., Inc. ($98).
Total Amount
$328
General + Research + Ownership
Payments
12
Total payment records
General Amount
$328
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-27
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: 2019-08-09
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 |
|---|---|---|---|---|
| I20040813001144 | I | Colorectal Surgery (Proctology) | OH | TBD |
| I20190809000989 | I | General Surgery | AK | 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 |
|---|---|---|---|---|
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 93 | 58 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 89 | 44 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 86 | 62 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 49 | 48 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 36 | 35 | $0 |
Insurance plans in this area (ZIP 43213)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| COLORECTAL SURGERY (PROCTOLOGY) | OH | 46600 | Diagnostic examination of the anus using an endoscope | 17 | 14 |
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