PROVIDER PROFILE · NPI 1831165448

Mark LastarzaM.D.

PRACTICEMARK W. LASTARZA, M.D., PA.See all providers at this practice →

Internal MedicineOrmond Beach, FLI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,897

Unique beneficiaries

—

Total services

5,346

Distinct HCPCS

Medicare payment

$289K

Peer benchmark

Total Medicare services vs. 6,680 Internal Medicine providers in FL — top quintile (cohort median 727).

PRESCRIBING · PART D · 2024

Total Rx claims

10,908

Beneficiaries

—

Total drug cost

$596K

Distinct drugs

122

Brand share

14.8%

Top prescribed drugs

Atorvastatin Calcium986 claims

Amlodipine Besylate768 claims

Levothyroxine Sodium667 claims

Rosuvastatin Calcium531 claims

Losartan Potassium438 claims

QUALITY · MIPS · 2024

Final MIPS score

75.0

Quality

0.0

Cost

0.0

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

0.00%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$499

Payment records

By payment type

Food and Beverage$499

REFERRAL NETWORK

Where Mark Lastarza'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). 65 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MEMORIAL HEALTH SYSTEMS INC	395	2,448
American Health S, Llc Clinical Laboratory · Davie, FL	79	303
Michael Townsend Internal Medicine · Ormond Beach, FL	70	221
Laboratory Corporation Of America Clinical Laboratory · Tampa, FL	65	206
Brandon Runyan Diagnostic Radiology · Orlando, FL	49	164
FROST, ALAN	48	139
Donna Brown Podiatry · Ormond Beach, FL	44	173
Michael Suah Dermatology · Ormond Beach, FL	44	124
Humayun Jamidar Cardiology · Daytona Beach, FL	44	198
John Long Dermatology · Ormond Beach, FL	39	108
County Of Volusia Ambulance Service Provider · Holly Hill, FL	35	110
VISTA CLINICAL DIAGNOSTICS LLC	29	139

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