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PROVIDER PROFILE · NPI 1013100759

John GelzhiserM.D.

PRACTICEKENT HOSPITALSee all providers at this practice →
Internal MedicineWarwick, RII
CROSS-REFERENCE

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OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
No data available for this provider in 2024.
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (9)

CCN 411500
Hospice
CCN 411505
Hospice
CCN 411510
Hospice
CCN 411514
Hospice
CCN 411515
Hospice
CCN 415023
Nursing home
CCN 415061
Nursing home
CCN 415063
Nursing home
CCN 415067
Nursing home
PRESCRIBING · PART D · 2024
Total Rx claims
17,591
Beneficiaries
—
Total drug cost
$1.2M
Distinct drugs
180
Brand share
21.8%
Top prescribed drugs
Atorvastatin Calcium980 claims
Apixaban936 claims
Trazodone Hcl908 claims
Levothyroxine Sodium844 claims
Furosemide815 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
510
Unique beneficiaries
—
Total services
789
Distinct HCPCS
4
Medicare payment
$80K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 577 Internal Medicine providers in RI — top quintile (cohort median 404).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where John Gelzhiser'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). 53 inbound referrers · 109 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
KENT COUNTY MEMORIAL HOSPITAL249572
John Murphy
Cardiology · Warwick, RI
66124
BLACK, RICHARD61148
John Lowney
Cardiology · Warwick, RI
61143
Chester Hedgepeth
Cardiology · Brockton, MA
58115
City Of Warwick
Ambulance Service Provider · Warwick, RI
54116
Edward Thomas
Interventional Cardiology · Warwick, RI
54102
David Rowe
Diagnostic Radiology · Warwick, RI
4883
Richard San Antonio
Cardiology · Warwick, RI
4878
HERARD, CHRISTIAN45107
Christopher Palmer
Internal Medicine · Providence, RI
41107
Christina Pinto
Diagnostic Radiology · Providence, RI
4064
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
KENT COUNTY MEMORIAL HOSPITAL286576
Daniel Golding
Diagnostic Radiology · Eden Prairie, MN
80182
Alan Rosen
Cardiology · Framingham, MA
72132
BLACK, RICHARD64126
Edward Thomas
Interventional Cardiology · Warwick, RI
63131
Naveh Levy
Diagnostic Radiology · Warwick, RI
63119
John Murphy
Cardiology · Warwick, RI
63107
Heather Hurlburt
Cardiology · Warwick, RI
60106
MED TECH INC55215
Chester Hedgepeth
Cardiology · Brockton, MA
50103
James Blechman
Diagnostic Radiology · Warwick, RI
4789
Coastline Emergency Medical Services, Inc
Ambulance Service Provider · East Providence, RI
47112
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.