What is Mary Chamberlin's specialty?

Mary Chamberlin (NPI 1841302593) is a Medicare-billing provider whose primary specialty is Medical Oncology in Lebanon, NH.

Where does Mary Chamberlin practice?

Mary Chamberlin practices in Lebanon, NH, based on the location reported in the CMS Medicare provider datasets for NPI 1841302593.

How much does Medicare pay Mary Chamberlin?

Mary Chamberlin (NPI 1841302593) received approximately $30K in total Medicare Part B payments, serving 209 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1841302593

Mary ChamberlinMD

Medical OncologyLebanon, NHI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

268

Unique beneficiaries

—

Total services

348

Distinct HCPCS

Medicare payment

$25K

Peer benchmark

Total Medicare services vs. 24 Medical Oncology providers in NH — below median (cohort median 479).

PRESCRIBING · PART D · 2024

Total Rx claims

639

Beneficiaries

—

Total drug cost

$1.1M

Distinct drugs

Brand share

9.9%

Top prescribed drugs

Letrozole322 claims

Anastrozole88 claims

Alendronate Sodium36 claims

Palbociclib30 claims

Exemestane23 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 Mary Chamberlin'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). 5 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MARY HITCHCOCK MEMORIAL HOSPITAL	158	971
SPRINGFIELD HOSPITAL INC.	111	1,367
Gwendolyn Durgin Diagnostic Radiology · Edina, MN	33	154
Jennifer Krawitt Diagnostic Radiology · Lebanon, NH	24	138
Michaela Rowland Nurse Practitioner · Boston, MA	11	36

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