What is Timothy Ernst's specialty?

Timothy Ernst (NPI 1972542975) is a Medicare-billing provider whose primary specialty is Medical Oncology in Natick, MA.

Where does Timothy Ernst practice?

Timothy Ernst practices in Natick, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1972542975.

How much does Medicare pay Timothy Ernst?

Timothy Ernst (NPI 1972542975) received approximately $55K in total Medicare Part B payments, serving 345 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1972542975

Timothy ErnstM.D.

Medical OncologyNatick, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

421

Unique beneficiaries

—

Total services

594

Distinct HCPCS

Medicare payment

$50K

Peer benchmark

Total Medicare services vs. 257 Medical Oncology providers in MA — top quintile (cohort median 290).

PRESCRIBING · PART D · 2024

Total Rx claims

125

Beneficiaries

—

Total drug cost

$322K

Distinct drugs

Brand share

73.6%

Top prescribed drugs

Apixaban53 claims

Hydroxyurea33 claims

Rivaroxaban17 claims

Acalabrutinib Maleate11 claims

Eltrombopag Olamine11 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Timothy Ernst'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). 33 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Melissa Woolwine Nurse Practitioner · Natick, MA	56	161
CHARLES RIVER MEDICAL ASSOCIATES, PC	39	114
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	38	96
LAGUARDA, RAUL	38	175
Jill Reinherz Diagnostic Radiology · New York, NY	35	185
Jeff Velez Interventional Radiology · Medford, MA	33	147
BICK, RONALD	33	80
Erica Gupta Diagnostic Radiology · Framingham, MA	32	74
Michelle Swire Diagnostic Radiology · Framingham, MA	32	101
MORRIS, MARY LOU	30	111
Deborah Markowitz Pulmonary Disease · Worcester, MA	30	113
GARCIA, LINNEA	28	77

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