What is Mark Lazarus's specialty?

Mark Lazarus (NPI 1902195746) is a Medicare-billing provider whose primary specialty is Internal Medicine in Chula Vista, CA.

Where does Mark Lazarus practice?

Mark Lazarus practices in Chula Vista, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1902195746.

How much does Medicare pay Mark Lazarus?

Mark Lazarus (NPI 1902195746) received approximately $40K in total Medicare Part B payments, serving 224 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1902195746

Mark LazarusM.D.

PRACTICEAZILIFE INCSee all providers at this practice →

Internal MedicineChula Vista, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

276

Unique beneficiaries

—

Total services

370

Distinct HCPCS

Medicare payment

$38K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$107

Distinct drugs

Brand share

48.0%

Top prescribed drugs

Furosemide13 claims

Clopidogrel Bisulfate12 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 Mark Lazarus'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). 44 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
American Medical Response Ambulance Service, Inc. Ambulance Service Provider · San Diego, CA	90	277
Trevor Nelson Interventional Radiology · La Jolla, CA	67	314
Harold Pimenta Interventional Cardiology · La Jolla, CA	48	223
Vitali Aizin Cardiology · Chula Vista, CA	40	260
Brett Berman Cardiology · Chula Vista, CA	32	152
Ross Christensen Interventional Radiology · La Jolla, CA	30	115
Stephen Hulse Interventional Radiology · La Jolla, CA	29	80
Paul Rickards Diagnostic Radiology · La Jolla, CA	28	66
Peter Mishky Emergency Medicine · Chula Vista, CA	26	54
Elion Brace Internal Medicine · Chula Vista, CA	25	115
BELO, DIOGO	25	98
Unilab Corporation Clinical Laboratory · West Hills, CA	25	96

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