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PROVIDER PROFILE · NPI 1154307858

David GiammarM.D.

PRACTICEWESTERVILLE SURGICAL SPECIALISTSSee all providers at this practice →
Colorectal Surgery (Proctology)Westerville, OHI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

CCN 360006
Hospital
CCN 360032
Hospital
CCN 360058
Hospital
CCN 360084
Hospital
CCN 360109
Hospital
REFERRAL NETWORK

Where David Giammar's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 8 inbound referrers · 18 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Daniel Baker
Diagnostic Radiology · New Albany, OH
2452
MOUNT CARMEL HEALTH SYSTEM2436
Andrew Guglielmi
Diagnostic Radiology · East Lansing, MI
1638
Shane Backus
Diagnostic Radiology · Zanesville, OH
1625
WALLIS, WILLIAM ROBERT1321
Mark White
Internal Medicine · Columbus, OH
1346
COOKE, COLEENE1218
Yamani Gunawardena
Internal Medicine · Zanesville, OH
1118
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
GENESIS HEALTHCARE SYSTEM87337
MOUNT CARMEL HEALTH SYSTEM3678
Community Ambulance Service
Ambulance Service Provider · Zanesville, OH
3058
Knightsbridge Surgery Center, Ltd
Ambulatory Surgical Center · Columbus, OH
2860
Shane Backus
Diagnostic Radiology · Zanesville, OH
2464
GREENSPAN, JACK2334
Stuart Chow
General Surgery · Zanesville, OH
2251
Brandice Alexander
General Surgery · Zanesville, OH
2145
OHIOHEALTH CORPORATION2050
Andrew Guglielmi
Diagnostic Radiology · East Lansing, MI
1955
Edmond Russ
Diagnostic Radiology · Lexington, KY
1742
ZANESVILLE HOMECARE VENTURES, LLC1730
Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
304
Unique beneficiaries
—
Total services
366
Distinct HCPCS
12
Medicare payment
$28K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 77 Colorectal Surgery (Proctology) providers in OH — top quintile (cohort median 301).
QUALITY · MIPS · 2024
Final MIPS score
85.4
Quality
78.0
Cost
76.8
Improvement activities
40.0
Promoting interop.
96.0
Payment adjustment
0.44%
Group
PRESCRIBING · PART D · 2024
Total Rx claims
72
Beneficiaries
—
Total drug cost
$8K
Distinct drugs
4
Brand share
40.3%
Top prescribed drugs
Metronidazole23 claims
Hydromorphone Hcl20 claims
Ondansetron16 claims
Linaclotide13 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$111
Payment records
5
By payment type
Food and Beverage$111