What is Maryum Merchant's specialty?

Maryum Merchant (NPI 1902024532) is a Medicare-billing provider whose primary specialty is Pulmonary Disease in Westlake Village, CA.

Where does Maryum Merchant practice?

Maryum Merchant practices in Westlake Village, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1902024532.

How much does Medicare pay Maryum Merchant?

Maryum Merchant (NPI 1902024532) received approximately $243K in total Medicare Part B payments, serving 830 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1902024532

Maryum MerchantM.D.

PRACTICEJOHN A LEE MD A MEDICAL CORPORATIONSee all providers at this practice →

Pulmonary DiseaseWestlake Village, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,893

Unique beneficiaries

—

Total services

3,043

Distinct HCPCS

Medicare payment

$231K

Peer benchmark

Total Medicare services vs. 901 Pulmonary Disease providers in CA — top quintile (cohort median 927).

PRESCRIBING · PART D · 2024

Total Rx claims

3,075

Beneficiaries

—

Total drug cost

$1.8M

Distinct drugs

Brand share

65.3%

Top prescribed drugs

Fluticasone/Umeclidin/Vilanter560 claims

Albuterol Sulfate296 claims

Montelukast Sodium228 claims

Fluticasone/Vilanterol184 claims

Prednisone170 claims

QUALITY · MIPS · 2024

Final MIPS score

87.5

Quality

79.4

Cost

73.7

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.53%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$2K

Payment records

By payment type

Consulting Fee$2K

Education$174

Top paying entities

Consulting Fee$2K

Education$174

REFERRAL NETWORK

Where Maryum Merchant'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). 40 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
LOS ROBLES REGIONAL MEDICAL CENTER	144	556
Donald Roback Diagnostic Radiology · Manhattan Beach, CA	80	189
Rebecca Liu Pulmonary Disease · Dallas, TX	67	240
Unilab Corporation Clinical Laboratory · West Hills, CA	50	183
Roman Leibzon Cardiology · Burbank, CA	50	187
REGENTS OF THE UNIV OF CALIFORNIA	45	134
Geoffrey Graham Internal Medicine · Thousand Oaks, CA	42	183
Sanjiv Sheel Diagnostic Radiology · Edina, MN	41	121
American Medical Response Ambulance Service Inc Ambulance Service Provider · Moorpark, CA	41	85
Monica Amantia Diagnostic Radiology · Studio City, CA	41	123
Kevin Pimstone Internal Medicine · Los Angeles, CA	40	121
Tracy Huynh Interventional Cardiology · Dublin, CA	36	155

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