What is David Chamberlain's specialty?

David Chamberlain (NPI 1861423071) is a Medicare-billing provider whose primary specialty is Internal Medicine in Butte, MT.

Where does David Chamberlain practice?

David Chamberlain practices in Butte, MT, based on the location reported in the CMS Medicare provider datasets for NPI 1861423071.

How much does Medicare pay David Chamberlain?

David Chamberlain (NPI 1861423071) received approximately $147K in total Medicare Part B payments, serving 419 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

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

Top paying entities

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