What is Timothy Johnson's specialty?

Timothy Johnson (NPI 1801879762) is a Medicare-billing provider whose primary specialty is Hematology-Oncology in Springfield, MA.

Where does Timothy Johnson practice?

Timothy Johnson practices in Springfield, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1801879762.

How much does Medicare pay Timothy Johnson?

Timothy Johnson (NPI 1801879762) received approximately $70K in total Medicare Part B payments, serving 366 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1801879762

Timothy JohnsonM.D.

Hematology-OncologySpringfield, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

481

Unique beneficiaries

—

Total services

942

Distinct HCPCS

Medicare payment

$70K

Peer benchmark

Total Medicare services vs. 360 Hematology-Oncology providers in MA — above median (cohort median 624).

PRESCRIBING · PART D · 2024

Total Rx claims

2,042

Beneficiaries

—

Total drug cost

$3.6M

Distinct drugs

Brand share

26.9%

Top prescribed drugs

Oxycodone Hcl288 claims

Letrozole181 claims

Prednisone113 claims

Apixaban111 claims

Ondansetron Hcl94 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 Timothy Johnson'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). 12 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
THE MERCY HOSPITAL INC	107	2,008
BAYSTATE MEDICAL CENTER INC	65	234
Mehdi Pajouh Cardiology · Westfield, MA	27	111
David Mernoff Diagnostic Radiology · Springfield, MA	25	86
Philip Glynn Medical Oncology · Springfield, MA	24	201
Rashmi Balasubramanya Diagnostic Radiology · Aldan, PA	17	92
Stephen Klein Diagnostic Radiology · Hartford, CT	17	95
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	16	90
Jeffrey Friedman Diagnostic Radiology · Springfield, MA	16	59
Chih Chen Hospitalist · Springfield, MA	12	41
NPI 1467466078	11	68
Brian Hession Emergency Medicine · Palmer, MA	11	68

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