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PROVIDER PROFILE · NPI 1184645558

Daniel AhnMD

OphthalmologyCalhoun, GAI
CROSS-REFERENCE

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OIG/SAM exclusion screening, sanctions history
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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 110023
Hospital
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
2,898
Unique beneficiaries
—
Total services
3,275
Distinct HCPCS
14
Medicare payment
$213K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 428 Ophthalmology providers in GA — above median (cohort median 1,999).
PRESCRIBING · PART D · 2024
Total Rx claims
1,947
Beneficiaries
—
Total drug cost
$189K
Distinct drugs
17
Brand share
16.5%
Top prescribed drugs
Ketorolac Tromethamine932 claims
Latanoprost306 claims
Bimatoprost215 claims
Timolol Maleate154 claims
Brimonidine Tartrate68 claims
QUALITY · MIPS · 2024
Final MIPS score
83.8
Quality
68.2
Cost
74.7
Improvement activities
40.0
Promoting interop.
100.0
Payment adjustment
0.37%
Group
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$178
Payment records
7
By payment type
Food and Beverage$178
REFERRAL NETWORK

Where Daniel Ahn'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). 36 inbound referrers · 66 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Christopher Paul
Anesthesiology · Rome, GA
72252
Hans Chang
Diagnostic Radiology · Cartersville, GA
4972
Laboratory Corporation Of America Holdings
Clinical Laboratory · Birmingham, AL
4391
Laverne Keizer
Anesthesiology · Calhoun, GA
4052
Herbert Kosmahl
Podiatry · Calhoun, GA
36101
Pablo Balboa-Marciack
Family Practice · Calhoun, GA
34109
IDOM, DAWN3366
Kenneth Howard
Family Practice · Calhoun, GA
30118
Kent Van Arsdell
Internal Medicine · Calhoun, GA
28112
James Turner
Internal Medicine · Dalton, GA
28104
Christopher Yamamoto
Family Practice · Calhoun, GA
27101
Katherine Naymick
Family Practice · Calhoun, GA
2659
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
ADVENTIST HEALTH SYSTEM GEORGIA, INC.4131,603
Marc Dyke
Certified Registered Nurse Anesthetist (CRNA) · Calhoun, GA
134690
Christopher Paul
Anesthesiology · Rome, GA
68180
IDOM, DAWN66346
Laverne Keizer
Anesthesiology · Calhoun, GA
61238
Maxwell Parrott
Internal Medicine · Calhoun, GA
52214
Mark Rheaume
Diagnostic Radiology · Cartersville, GA
5195
Hans Chang
Diagnostic Radiology · Cartersville, GA
5098
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Tucker, GA
4598
Herbert Kosmahl
Podiatry · Calhoun, GA
38101
HAMILTON MEDICAL CENTER, INC.3775
Loren King
Family Practice · Calhoun, GA
37118
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.