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PROVIDER PROFILE · NPI 1407886450

Gregory HaffnerM.D.

PRACTICENEW ENGLAND RETINA ASSOCIATES, P.CSee all providers at this practice →
OphthalmologyHamden, CTI
CROSS-REFERENCE

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OIG/SAM exclusion screening, sanctions history
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PRESCRIBING · PART D · 2024
Total Rx claims
183
Beneficiaries
—
Total drug cost
$7K
Distinct drugs
5
Brand share
23.5%
Top prescribed drugs
Prednisolone Acetate81 claims
Moxifloxacin Hcl43 claims
Atropine Sulfate36 claims
Ketorolac Tromethamine12 claims
Timolol Maleate11 claims
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$239
Payment records
9
By payment type
Food and Beverage$239
REFERRAL NETWORK

Where Gregory Haffner'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). 10 inbound referrers · 26 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Quest Diagnostics Llc
Clinical Laboratory · Wallingford, CT
144447
NORWALK HOSPITAL ASSOCIATION69187
HARTFORD HEALTHCARE LABORATORIES56191
STAMFORD HOSPITAL40110
MIDSTATE MEDICAL CENTER2766
NPI 14775195511930
Ralph Kirmser
Cardiology · Norwalk, CT
1555
David Tom
Ophthalmology · Hamden, CT
1322
THE GRIFFIN HOSPITAL1124
Thomas Abrahamsen
Podiatry · Westport, CT
1119
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Quest Diagnostics Llc
Clinical Laboratory · Wallingford, CT
145381
YALE NEW HAVEN HOSPITAL112283
NORWALK HOSPITAL ASSOCIATION80213
HARTFORD HEALTHCARE LABORATORIES51171
GREENWICH HOSPITAL46141
STAMFORD HOSPITAL43104
BRIDGEPORT HOSPITAL2548
SVMC HOLDINGS, INC2244
WONG, JAMES2031
MIDSTATE MEDICAL CENTER2058
American Medical Response Of Connecticut Incorporated
Ambulance Service Provider · New Haven, CT
1932
MICHAELSON, STEPHEN1840
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
2,133
Unique beneficiaries
—
Total services
13,421
Distinct HCPCS
16
Medicare payment
$1.1M
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 255 Ophthalmology providers in CT — top quintile (cohort median 1,669).