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PROVIDER PROFILE · NPI 1417954298

Johannes MartenssonM.D.

PRACTICECITRUS GASTROENTEROLOGY PASee all providers at this practice →
GastroenterologyInverness, FLI
CROSS-REFERENCE

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MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
220
Unique beneficiaries
—
Total services
376
Distinct HCPCS
3
Medicare payment
$34K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,135 Gastroenterology providers in FL — bottom quintile (cohort median 817).
PRESCRIBING · PART D · 2024
Total Rx claims
504
Beneficiaries
—
Total drug cost
$59K
Distinct drugs
11
Brand share
16.7%
Top prescribed drugs
Famotidine131 claims
Pantoprazole Sodium96 claims
Omeprazole72 claims
Linaclotide52 claims
Metoclopramide Hcl40 claims
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$72
Payment records
4
By payment type
Food and Beverage$72
REFERRAL NETWORK

Where Johannes Martensson'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 · 84 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Suncoast Endoscopy Asc Lp
Ambulatory Surgical Center · Inverness, FL
295462
NATURE COAST EMERGENCY MEDICAL FOUNDATION INC65179
Alex Villacastin
Internal Medicine · Citrus Springs, FL
48232
Stephen Garrison
Diagnostic Radiology · Inverness, FL
46132
Inform Diagnostics, Inc.
Clinical Laboratory · Coppell, TX
4669
Mid-Florida Pathology Llc
Clinical Laboratory · Eustis, FL
4158
Angela Maio
Diagnostic Radiology · Tampa, FL
40166
Laboratory Corporation Of America
Clinical Laboratory · Tampa, FL
4083
Thomas Ceballos
Diagnostic Radiology · Cape Girardeau, MO
35159
Leonard Calodney
Anesthesiology · Crystal River, FL
3543
David Riehn
Anesthesiology · Crystal River, FL
3043
Charles Zachar
Diagnostic Radiology · Inverness, FL
2247
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Elaine Whyte
Nurse Practitioner · Gainesville, FL
270471
CITRUS MEMORIAL HOSPITAL, INC.243848
Inform Diagnostics, Inc.
Clinical Laboratory · Coppell, TX
227368
Suncoast Endoscopy Asc Lp
Ambulatory Surgical Center · Inverness, FL
77115
Yi-Hwa Outerbridge
Anesthesiology · Lakeland, FL
74124
CITRUS HMA LLC68154
Jon Frankel
Pathology · Crystal River, FL
68195
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Tampa, FL
60131
ZAMOS, DAVID55200
Ryte Baksiene
Anesthesiology · Crystal River, FL
5277
CLARK, ROBERT51201
GOETHE, ROBERT4564
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.