What is Mara Posner's specialty?

Mara Posner (NPI 1477765634) is a Medicare-billing provider whose primary specialty is Gastroenterology in Las Vegas, NV.

Where does Mara Posner practice?

Mara Posner practices in Las Vegas, NV, based on the location reported in the CMS Medicare provider datasets for NPI 1477765634.

How much does Medicare pay Mara Posner?

Mara Posner (NPI 1477765634) received approximately $23K in total Medicare Part B payments, serving 105 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1477765634

Mara PosnerD.O

GastroenterologyLas Vegas, NVI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

143

Unique beneficiaries

—

Total services

185

Distinct HCPCS

Medicare payment

$19K

Peer benchmark

Total Medicare services vs. 83 Gastroenterology providers in NV — bottom quintile (cohort median 843).

PRESCRIBING · PART D · 2024

Total Rx claims

1,672

Beneficiaries

—

Total drug cost

$99K

Distinct drugs

Brand share

21.5%

Top prescribed drugs

Omeprazole412 claims

Dicyclomine Hcl266 claims

Famotidine162 claims

Pantoprazole Sodium141 claims

Peg3350/Sod Sulf,bicarb,cl/Kcl68 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 Mara Posner'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). 2 inbound referrers · 1 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Southwest Medical Associates Inc. Ambulatory Surgical Center · Las Vegas, NV	21	24
Quest Diagnostics Incorporated Clinical Laboratory · Las Vegas, NV	15	36

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Quest Diagnostics Incorporated Clinical Laboratory · Las Vegas, NV	13	29

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