PROVIDER PROFILE · NPI 1861423071

David ChamberlainM.D.

PRACTICEMERCURY STREET MEDICAL GROUP PLLCSee all providers at this practice →

Internal MedicineButte, MTI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

4,246

Unique beneficiaries

—

Total services

6,411

Distinct HCPCS

Medicare payment

$140K

Peer benchmark

Total Medicare services vs. 213 Internal Medicine providers in MT — top quintile (cohort median 680).

PRESCRIBING · PART D · 2024

Total Rx claims

8,337

Beneficiaries

—

Total drug cost

$575K

Distinct drugs

129

Brand share

16.5%

Top prescribed drugs

Atorvastatin Calcium642 claims

Levothyroxine Sodium414 claims

Amlodipine Besylate396 claims

Lisinopril322 claims

Gabapentin317 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$2K

Payment records

By payment type

Food and Beverage$2K

Education$30

REFERRAL NETWORK

Where David Chamberlain'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). 39 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Jeanne Mehrens Physician Assistant · Butte, MT	135	400
HALL, DANNIELLE	62	128
Dixon Robison Dermatology · Butte, MT	61	143
NICHOLS, ALLEN	52	281
Keith Popovich Pulmonary Disease · Butte, MT	50	313
Christopher Lindsay Diagnostic Radiology · Helena, MT	47	136
COMMUNITY HOSPITAL OF ANACONDA	45	220
Paul Siddoway Internal Medicine · Butte, MT	44	120
Clay Holley Ophthalmology · Butte, MT	42	139
Hassan Massouh Diagnostic Radiology · Eden Prairie, MN	41	170
Mohan Nandalur Cardiology · Flagstaff, AZ	41	100
Randall Shannon Pathology · Butte, MT	30	64

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