What is Claudio Zawitkowski's specialty?

Claudio Zawitkowski (NPI 1578558623) is a Medicare-billing provider whose primary specialty is Internal Medicine in San Diego, CA.

Where does Claudio Zawitkowski practice?

Claudio Zawitkowski practices in San Diego, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1578558623.

How much does Medicare pay Claudio Zawitkowski?

Claudio Zawitkowski (NPI 1578558623) received approximately $144K in total Medicare Part B payments, serving 139 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1578558623

Claudio ZawitkowskiM.D.,

Internal MedicineSan Diego, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

260

Unique beneficiaries

—

Total services

1,593

Distinct HCPCS

Medicare payment

$137K

Peer benchmark

Total Medicare services vs. 10,499 Internal Medicine providers in CA — top quintile (cohort median 531).

PRESCRIBING · PART D · 2024

Total Rx claims

4,725

Beneficiaries

—

Total drug cost

$500K

Distinct drugs

120

Brand share

27.7%

Top prescribed drugs

Levothyroxine Sodium253 claims

Apixaban241 claims

Atorvastatin Calcium231 claims

Famotidine176 claims

Gabapentin162 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Claudio Zawitkowski'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). 45 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Jeremy Flowers Nurse Practitioner · San Diego, CA	103	646
American Medical Response Ambulance Service, Inc. Ambulance Service Provider · San Diego, CA	100	484
SAN DIEGO MEDICAL SERVICES ENTERPRISE, LLC	61	297
Peter Sotornik Family Practice · San Diego, CA	58	139
David Riker Pulmonary Disease · San Diego, CA	46	736
CITY HEIGHTS HEALTH ASSOCIATES LLC	44	285
Max Laufer Inc. Ambulance Service Provider · Lemon Grove, CA	35	336
Lawrence Bogle Diagnostic Radiology · San Diego, CA	35	967
REGENTS OF THE UNIVERSITY OF CALIFORNIA	33	292
Frederick Jenkin Internal Medicine · La Mesa, CA	28	205
SHEA FAMILY CARE SOUTH BAY, INC.	28	130
SHARP MEMORIAL HOSPITAL	27	93

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

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.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events