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PROVIDER PROFILE · NPI 1225018856

Alexander ZwartMD, FACP

PRACTICECATALINA EAR, NOSE & THROATSee all providers at this practice →
EndocrinologyTucson, AZI
CROSS-REFERENCE

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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (4)

CCN 030006
Hospital
CCN 030114
Hospital
CCN 031302
Hospital
CCN 031312
Hospital
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,054
Unique beneficiaries
—
Total services
1,365
Distinct HCPCS
8
Medicare payment
$114K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 92 Endocrinology providers in AZ — below median (cohort median 2,538).
PRESCRIBING · PART D · 2024
Total Rx claims
6,272
Beneficiaries
—
Total drug cost
$2.7M
Distinct drugs
75
Brand share
35.6%
Top prescribed drugs
Levothyroxine Sodium1,022 claims
Atorvastatin Calcium303 claims
Methimazole274 claims
Liothyronine Sodium249 claims
Semaglutide229 claims
QUALITY · MIPS · 2024
Final MIPS score
88.9
Quality
86.7
Cost
77.1
Improvement activities
40.0
Promoting interop.
99.0
Payment adjustment
0.58%
Group
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$326
Payment records
12
By payment type
Food and Beverage$326
REFERRAL NETWORK

Where Alexander Zwart'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). 20 inbound referrers · 37 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
NORTHWEST HOSPITAL LLC114233
David Alster
Endocrinology · Tucson, AZ
88159
BANNER - UNIVERSITY MEDICAL CENTER TUCSON CAMPUS LLC57172
ORO VALLEY HOSPITAL LLC4993
CARONDELET HEALTH NETWORK4065
Veracyte, Inc.
Clinical Laboratory · South San Francisco, CA
2531
YOSHINO, MARK2343
Kevin Kelly
Diagnostic Radiology · Tucson, AZ
2341
BANNER PHARMACY SERVICES LLC2250
Southwest Ambulance Of Tucson Inc
Ambulance Service Provider · Tucson, AZ
2153
KARTCHNER, ZANE1729
TUCSON MEDICAL CENTER1635
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Laboratory Corporation Of America
Clinical Laboratory · Phoenix, AZ
289619
Sonora Quest Laboratories Llc
Clinical Laboratory · Phoenix, AZ
149447
NORTHWEST HOSPITAL LLC106193
David Alster
Endocrinology · Tucson, AZ
76125
BANNER - UNIVERSITY MEDICAL CENTER TUCSON CAMPUS LLC51163
ORO VALLEY HOSPITAL LLC4883
CARONDELET HEALTH NETWORK3252
YOSHINO, MARK2740
Gregory Labenz
Diagnostic Radiology · Tucson, AZ
2140
Laboratory Corporation Of America Holdings
Clinical Laboratory · Burlington, NC
1933
Beth Prostejovsky
Physician Assistant · Front Royal, VA
1932
Kevin Kelly
Diagnostic Radiology · Tucson, AZ
1826
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.