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PROVIDER PROFILE · NPI 1306812367

John NiedzwickiM.D.

PRACTICEOPTOMEYES HEALTH PCSee all providers at this practice →
Hematology-OncologyDartmouth, MAI
CROSS-REFERENCE

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OIG/SAM exclusion screening, sanctions history
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MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,972
Unique beneficiaries
—
Total services
172,590
Distinct HCPCS
22
Medicare payment
$216K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 360 Hematology-Oncology providers in MA — top quintile (cohort median 624).
PRESCRIBING · PART D · 2024
Total Rx claims
500
Beneficiaries
—
Total drug cost
$1.1M
Distinct drugs
15
Brand share
13.8%
Top prescribed drugs
Hydroxyurea143 claims
Tamoxifen Citrate60 claims
Raloxifene Hcl55 claims
Anastrozole51 claims
Letrozole41 claims
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$42
Payment records
2
By payment type
Food and Beverage$42
REFERRAL NETWORK

Where John Niedzwicki'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). 27 inbound referrers · 49 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
SOUTHCOAST HOSPITALS GROUP, INC135715
Quest Diagnostics Massachusetts Llc
Clinical Laboratory · Marlborough, MA
91355
Jonathan Bojarski
Diagnostic Radiology · Boston, MA
45220
Daniel Weller
Diagnostic Radiology · New Bedford, MA
42123
SPENCER, NICHOLAS3499
NPI 113419519123169
NPI 118479181620141
Sudheer Sharma
Hospitalist · New Bedford, MA
1691
Micheal Buggia
Emergency Medicine · Warren, MI
1552
Eascare Llc
Ambulance Service Provider · Weymouth, MA
1538
Jordan Gularek
Internal Medicine · Dartmouth, MA
15121
HOWARD, JACK1574
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
STEWARD ST. ANNES HOSPITAL CORPORATION3737,629
SOUTHCOAST HOSPITALS GROUP, INC126786
Quest Diagnostics Massachusetts Llc
Clinical Laboratory · Marlborough, MA
79293
Anne Ruggieri
Diagnostic Radiology · East Providence, RI
75183
Portia Silk
Diagnostic Radiology · Fall River, MA
61204
Jonathan Bojarski
Diagnostic Radiology · Boston, MA
50185
WESTFALL, PAUL48173
Daniel Weller
Diagnostic Radiology · New Bedford, MA
48167
Gregory Hurlock
Diagnostic Radiology · Boston, MA
47184
SPENCER, NICHOLAS46162
Henry Su
Diagnostic Radiology · South Weymouth, MA
40104
Michael Merport
Diagnostic Radiology · New Bedford, MA
35333
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.