What is Marwan Nasir's specialty?

Marwan Nasir (NPI 1962590562) is a Medicare-billing provider whose primary specialty is Pathology in Houston, TX.

Where does Marwan Nasir practice?

Marwan Nasir practices in Houston, TX, based on the location reported in the CMS Medicare provider datasets for NPI 1962590562.

How much does Medicare pay Marwan Nasir?

Marwan Nasir (NPI 1962590562) received approximately $33K in total Medicare Part B payments, serving 309 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1962590562

Marwan NasirM.D.

PRACTICEJEROME R ELK, MDSee all providers at this practice →

PathologyHouston, TXI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

605

Unique beneficiaries

—

Total services

1,298

Distinct HCPCS

Medicare payment

$32K

Peer benchmark

Total Medicare services vs. 1,018 Pathology providers in TX — above median (cohort median 1,193).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

86.5

Quality

81.4

Cost

0.0

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.49%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Marwan Nasir'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). 56 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
TOMBALL TEXAS HOSPITAL COMPANY LLC	430	707
NPI 1184685679	154	170
Brian Werner Anesthesiology · Cypress, TX	63	72
Arvind Reddy Gastroenterology · Tomball, TX	60	208
Rajeshwar Abrol Gastroenterology · Tomball, TX	52	135
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Houston, TX	47	97
Todd Nelson Anesthesiology · Houston, TX	45	59
Timothy Osborn Anesthesiology · Brenham, TX	44	49
Madelyn Vuong Diagnostic Radiology · Houston, TX	41	46
Yo Yoon Anesthesiology · Spring, TX	41	51
Paul Evans Diagnostic Radiology · Houston, TX	40	48
Jose Spencer Diagnostic Radiology · Katy, TX	39	62

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events