PROVIDER PROFILE · NPI 1689628240

Martin ZapataD.O

PRACTICEMARTIN R ZAPATA DO INCSee all providers at this practice →

Internal MedicineNorwalk, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,113

Unique beneficiaries

—

Total services

3,304

Distinct HCPCS

Medicare payment

$207K

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

25,750

Beneficiaries

—

Total drug cost

$2.3M

Distinct drugs

230

Brand share

19.1%

Top prescribed drugs

Atorvastatin Calcium1,580 claims

Amlodipine Besylate1,128 claims

Losartan Potassium875 claims

Metformin Hcl857 claims

Levothyroxine Sodium700 claims

QUALITY · MIPS · 2024

Final MIPS score

75.0

Quality

35.0

Cost

44.0

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

0.00%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$864

Payment records

By payment type

Food and Beverage$864

REFERRAL NETWORK

Where Martin Zapata'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). 67 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PIH HEALTH DOWNEY HOSPITAL	149	645
ELADH, LP	94	291
THOMPSON, LAURA	73	320
Unilab Corporation Clinical Laboratory · West Hills, CA	64	303
BARRETT, IVAN	63	291
BEVERLY COMMUNITY HOSPITAL ASSOCIATION	63	237
Jose Ospina Diagnostic Radiology · Glendale, CA	42	127
ST.FRANCIS MEDICAL CENTER	39	238
CPH HOSPITAL MANAGEMENT LLC	35	86
Daniel Suarez Internal Medicine · Huntington Park, CA	33	234
HOLLYWOOD HEALTH SYSTEM INC	32	172
WOHLMUTH, DAVID	32	117

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