PROVIDER PROFILE · NPI 1356303549

Maria ZweigM.D.

Obstetrics & GynecologySan Juan, PRI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

291

Unique beneficiaries

—

Total services

411

Distinct HCPCS

Medicare payment

$28K

Peer benchmark

Total Medicare services vs. 76 Obstetrics & Gynecology providers in PR — top quintile (cohort median 63).

PRESCRIBING · PART D · 2024

Total Rx claims

709

Beneficiaries

—

Total drug cost

$78K

Distinct drugs

Brand share

35.0%

Top prescribed drugs

Estradiol212 claims

Progesterone, Micronized125 claims

Alendronate Sodium82 claims

Metronidazole72 claims

Tolterodine Tartrate48 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$150

Payment records

By payment type

Food and Beverage$150

REFERRAL NETWORK

Where Maria Zweig'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). 5 inbound referrers · 8 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
HOSPITAL ESPANOL AUXILIO MUTUO DE PUERTO RICO, INC.	55	205
Jose Paz Pathology · San Juan, PR	45	63
FIGUEROA-RAMIREZ, ANTONIO	24	37
LABORATORIO CLINICO C L A INC	16	47
Gustavo Vazquez Obstetrics & Gynecology · San Juan, PR	11	13

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
HOSPITAL ESPANOL AUXILIO MUTUO DE PUERTO RICO, INC.	38	124
Miosotis Garcia Maldonado Pathology · San Juan, PR	32	33
Victor Carlo Pathology · Hato Rey, PR	18	28
William Cruz Diagnostic Radiology · San Juan, PR	16	27
PRESBYTERIAN COMMUNITY HOSPITAL, INC	16	40
Laboratorio Clinico Noy , Inc. Clinical Laboratory · San Juan, PR	15	17
Jose Paz Pathology · San Juan, PR	14	18
Hato Rey Pathology Associates Inc Clinical Laboratory · San Juan, PR	11	13

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