What is Martin Zapata's specialty?

Martin Zapata (NPI 1689628240) is a Medicare-billing provider whose primary specialty is Internal Medicine in Norwalk, CA.

Where does Martin Zapata practice?

Martin Zapata practices in Norwalk, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1689628240.

How much does Medicare pay Martin Zapata?

Martin Zapata (NPI 1689628240) received approximately $213K in total Medicare Part B payments, serving 420 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

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

Top paying entities

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