What is Mark Chalem's specialty?

Mark Chalem (NPI 1083830848) is a Medicare-billing provider whose primary specialty is Psychiatry in Spokane, WA.

Where does Mark Chalem practice?

Mark Chalem practices in Spokane, WA, based on the location reported in the CMS Medicare provider datasets for NPI 1083830848.

How much does Medicare pay Mark Chalem?

Mark Chalem (NPI 1083830848) received approximately $90K in total Medicare Part B payments, serving 112 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1083830848

Mark ChalemMD

PsychiatrySpokane, WAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

325

Unique beneficiaries

—

Total services

1,137

Distinct HCPCS

Medicare payment

$79K

Peer benchmark

Total Medicare services vs. 328 Psychiatry providers in WA — top quintile (cohort median 181).

PRESCRIBING · PART D · 2024

Total Rx claims

4,383

Beneficiaries

—

Total drug cost

$872K

Distinct drugs

Brand share

21.4%

Top prescribed drugs

Bupropion Hcl325 claims

Trazodone Hcl271 claims

Quetiapine Fumarate259 claims

Lamotrigine255 claims

Duloxetine Hcl232 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 Mark Chalem'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). 3 inbound referrers · 3 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PROVIDENCE HEALTH & SERVICES - WA	18	60
PROVIDENCE HEALTH & SERVICES - WASHINGTON	11	30
MULTICARE HEALTH SYSTEM	11	35

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
PATHOLOGY ASSOCIATES MEDICAL LABORATORIES LLC	29	91
PROVIDENCE HEALTH & SERVICES - WA	21	63
MULTICARE HEALTH SYSTEM	13	30

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