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PROVIDER PROFILE · NPI 1114001260

Gwynn LongM.D.

PRACTICEPRIVATE DIAGNOSTIC CLINIC, PLLCSee all providers at this practice →
Hematology-OncologyDurham, NCI
CROSS-REFERENCE

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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 340030
Hospital
PRESCRIBING · PART D · 2024
Total Rx claims
364
Beneficiaries
—
Total drug cost
$3.6M
Distinct drugs
11
Brand share
36.0%
Top prescribed drugs
Lenalidomide115 claims
Lenalidomide52 claims
Acyclovir48 claims
Pomalidomide33 claims
Ondansetron Hcl18 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
215
Unique beneficiaries
—
Total services
345
Distinct HCPCS
6
Medicare payment
$22K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 329 Hematology-Oncology providers in NC — below median (cohort median 605).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Gwynn Long'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). 16 inbound referrers · 28 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Chad Mccall
Pathology · Charlotte, NC
33242
Richard Lopez
Medical Oncology · Birmingham, AL
24731
David Rizzieri
Medical Oncology · Charlotte, NC
23431
Neil Freedman
Cardiology · Durham, NC
23170
Neil Macintyre
Pulmonary Disease · Durham, NC
22100
Joanne Kurtzberg
Pediatric Medicine · Durham, NC
21216
Holman Mcadams
Diagnostic Radiology · Durham, NC
19199
Danielle Seaman
Diagnostic Radiology · Durham, NC
19142
SULLIVAN, KEITH17488
Christopher Kontos
Cardiology · Durham, NC
17115
Joann Liu
Nurse Practitioner · Buffalo, NY
16206
Lacey Washington
Diagnostic Radiology · Durham, NC
15137
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
DUKE UNIVERSITY HEALTH SYSTEM, INC.1236,105
Chad Mccall
Pathology · Charlotte, NC
50179
Cristina Gasparetto
Hematology-Oncology · Durham, NC
37956
Holman Mcadams
Diagnostic Radiology · Durham, NC
26166
Anand Lagoo
Pathology · Durham, NC
26161
Tanya Helms
Physician Assistant · Durham, NC
24144
David Rizzieri
Medical Oncology · Charlotte, NC
23545
Richard Lopez
Medical Oncology · Birmingham, AL
231,147
Jennifer Crow
Pathology · Burleson, TX
2257
Anthony Sung
Hematology-Oncology · Westwood, KS
22452
Mitchell Horwitz
Medical Oncology · Durham, NC
22741
Nelson Chao
Hematology-Oncology · Durham, NC
20251
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.