caretrace.iopowered by▸healthparse
SearchCohort Builder
Tools▾
KOL FinderTerritoriesDrug Compare
AI Query
Browse▾
By stateBy specialty
Pricing
SearchCohort BuilderToolsKOL FinderTerritoriesDrug CompareAI QueryBrowseBy stateBy specialtyPricing
PROVIDER PROFILE · NPI 1114111408

Kathryn ZieglerMD

Internal MedicineSpring, TXI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
QUALITY · MIPS · 2024
No data available for this provider in 2024.
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (7)

CCN 679498
Home health agency
CCN 747186
Home health agency
CCN 450184
Hospital
CCN 450774
Hospital
CCN 450844
Hospital
CCN 450862
Hospital
CCN 670122
Hospital
PRESCRIBING · PART D · 2024
Total Rx claims
3,977
Beneficiaries
—
Total drug cost
$427K
Distinct drugs
75
Brand share
16.0%
Top prescribed drugs
Rosuvastatin Calcium346 claims
Atorvastatin Calcium285 claims
Amlodipine Besylate221 claims
Levothyroxine Sodium219 claims
Ezetimibe162 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,032
Unique beneficiaries
—
Total services
2,485
Distinct HCPCS
14
Medicare payment
$135K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 6,183 Internal Medicine providers in TX — top quintile (cohort median 673).
REFERRAL NETWORK

Where Kathryn Ziegler'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). 1 inbound referrers · 12 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Houston, TX
120405
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Houston, TX
122471
HOUSTON NORTHWEST OPERATING COMPANY, LLC65216
Laboratory Corporation Of America
Clinical Laboratory · Houston, TX
33127
HU, H CHUNGTAI2359
METHODIST HEALTH CENTERS2266
TOPS SPECIALTY HOSPITAL, LTD.1443
Ralph Norton
Diagnostic Radiology · Houston, TX
1334
Voon Liaw
Interventional Radiology · Houston, TX
1331
Rupin Kadakia
Cardiology · Houston, TX
1217
Naila Ramiz
Internal Medicine · Houston, TX
1294
Robert Scholl
Diagnostic Radiology · Houston, TX
1235
Jessica Anderson
Internal Medicine · Spring, TX
1132
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.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$1K
Payment records
49
By payment type
Food and Beverage$1K