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PROVIDER PROFILE · NPI 1184735201

Izabela WitczakM.D

PRACTICENORTH COUNTY HEALTH SERVICESSee all providers at this practice →
Internal MedicineSan Marcos, CAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$97
Payment records
5
By payment type
Food and Beverage$97
PRESCRIBING · PART D · 2024
Total Rx claims
3,705
Beneficiaries
—
Total drug cost
$467K
Distinct drugs
86
Brand share
17.0%
Top prescribed drugs
Atorvastatin Calcium340 claims
Amlodipine Besylate230 claims
Metformin Hcl219 claims
Levothyroxine Sodium185 claims
Losartan Potassium168 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
30
Unique beneficiaries
—
Total services
38
Distinct HCPCS
1
Medicare payment
$362
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 10,499 Internal Medicine providers in CA — bottom quintile (cohort median 531).
REFERRAL NETWORK

Where Izabela Witczak'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). 8 inbound referrers · 13 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
NORTH COUNTY HEALTH PROJECT, INC.105279
PALOMAR HEALTH35133
Samuel Poniachik
Internal Medicine · San Marcos, CA
2255
Devarshi Nath
Family Practice · San Marcos, CA
2040
Ian Diaz
Family Practice · San Diego, CA
1427
Tory Prestera
Ophthalmology · San Marcos, CA
1433
REGENTS OF THE UNIVERSITY OF CALIFORNIA1438
Jeffrey Miller
Diagnostic Radiology · Oceanside, CA
1227
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
NORTH COUNTY HEALTH PROJECT, INC.233972
Laboratory Corporation Of America
Clinical Laboratory · San Diego, CA
155626
MORRIS, KENNETH5195
PALOMAR HEALTH35133
Samuel Poniachik
Internal Medicine · San Marcos, CA
2347
Tory Prestera
Ophthalmology · San Marcos, CA
1759
Ian Diaz
Family Practice · San Diego, CA
1528
REGENTS OF THE UNIVERSITY OF CALIFORNIA1448
Alberto Chavira
Cardiology · San Marcos, CA
1359
Unilab Corporation
Clinical Laboratory · West Hills, CA
1336
Jeffrey Miller
Diagnostic Radiology · Oceanside, CA
1223
TRI-CITY HOSPITAL1224
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.