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PROVIDER PROFILE · NPI 1093032195

John ZimmermanM.D.

PRACTICENORTHEAST GEORGIA MEDICAL CENTER, INC.See all providers at this practice →
AnesthesiologyGainesville, GAI
CROSS-REFERENCE

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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 110029
Hospital
CCN 110237
Hospital
REFERRAL NETWORK

Where John Zimmerman'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). 15 inbound referrers · 48 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
NORTHEAST GEORGIA MEDICAL CENTER, INC.265428
Ajay Ravi
Diagnostic Radiology · Gainesville, GA
3751
Charles Decook
Orthopedic Surgery · Cumming, GA
3058
Scott Stephen
Diagnostic Radiology · Gainesville, GA
2740
John Vachtsevanos
Orthopedic Surgery · Gainesville, GA
2568
HOOPER, TREVOR2233
Robert Balotin
Diagnostic Radiology · Gainesville, GA
2130
Lee Martin
Diagnostic Radiology · Gainesville, GA
1924
Abhishek Gaur
Cardiology · Gainesville, GA
1822
Charisse Stovall
Anesthesiology · Alpharetta, GA
1819
Benjamin Puckett
Orthopedic Surgery · Gainesville, GA
1530
Laboratory Corporation Of America Holdings
Clinical Laboratory · Birmingham, AL
1424
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
NORTHEAST GEORGIA MEDICAL CENTER, INC.137219
Charles Decook
Orthopedic Surgery · Cumming, GA
30129
Colby Chastain
Diagnostic Radiology · Gainesville, GA
2932
AMEDISYS GEORGIA, L.L.C.2733
Ezra Ellis
Pathology · Gainesville, GA
2728
John Vachtsevanos
Orthopedic Surgery · Gainesville, GA
2679
PROFESSIONAL THERAPY SERVICES, LLC2542
Laboratory Corporation Of America Holdings
Clinical Laboratory · Birmingham, AL
2430
Lee Martin
Diagnostic Radiology · Gainesville, GA
2430
William Thomas
Pathology · Gainesville, GA
2425
Gary Davis
Orthopedic Surgery · Gainesville, GA
2372
MCCORMAC, ROBERT2226
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
122
Unique beneficiaries
—
Total services
122
Distinct HCPCS
8
Medicare payment
$9K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 967 Anesthesiology providers in GA — above median (cohort median 235).
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$18
Payment records
1
By payment type
Food and Beverage$18