What is Lourin Chahin's specialty?

Lourin Chahin (NPI 1902816333) is a Medicare-billing provider whose primary specialty is Internal Medicine in Macomb, MI.

Where does Lourin Chahin practice?

Lourin Chahin practices in Macomb, MI, based on the location reported in the CMS Medicare provider datasets for NPI 1902816333.

How much does Medicare pay Lourin Chahin?

Lourin Chahin (NPI 1902816333) received approximately $177K in total Medicare Part B payments, serving 466 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1902816333

Lourin ChahinMD

PRACTICEMACOMB INTERNISTS PCSee all providers at this practice →

Internal MedicineMacomb, MII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,254

Unique beneficiaries

—

Total services

2,239

Distinct HCPCS

Medicare payment

$172K

Peer benchmark

Total Medicare services vs. 3,459 Internal Medicine providers in MI — top quintile (cohort median 549).

PRESCRIBING · PART D · 2024

Total Rx claims

5,522

Beneficiaries

—

Total drug cost

$452K

Distinct drugs

120

Brand share

21.3%

Top prescribed drugs

Atorvastatin Calcium473 claims

Omeprazole276 claims

Amlodipine Besylate266 claims

Levothyroxine Sodium262 claims

Losartan Potassium218 claims

QUALITY · MIPS · 2024

Final MIPS score

98.6

Quality

100.0

Cost

82.3

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.99%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$321

Payment records

By payment type

Food and Beverage$321

Top paying entities

Food and Beverage$321

REFERRAL NETWORK

Where Lourin Chahin'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). 98 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
WILLIAM BEAUMONT HOSPITAL	547	2,123
Mark Zohoury Internal Medicine · Troy, MI	124	520
Mark Friedland Md Pc Vascular Surgery · Troy, MI	98	307
CIESZKOWSKI, JOHN	89	249
Martin Mcgough Cardiology · Rochester Hills, MI	75	186
Zakwan Mahjoub Cardiology · Rochester Hills, MI	50	113
Brian Williamson Cardiology · Troy, MI	48	116
HENRY FORD HEALTH ST. JOHN HOSPITAL	41	231
Martin Gross Diagnostic Radiology · Royal Oak, MI	41	88
Tarun Gupta Diagnostic Radiology · Troy, MI	41	95
Ming Lin Hsieh Diagnostic Radiology · Troy, MI	40	97
Mohamad Alhakim Neurology · Royal Oak, MI	39	93

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