What is Richard Zelkowitz's specialty?

Richard Zelkowitz (NPI 1891780805) is a Medicare-billing provider whose primary specialty is Hematology-Oncology in Norwalk, CT.

Where does Richard Zelkowitz practice?

Richard Zelkowitz practices in Norwalk, CT, based on the location reported in the CMS Medicare provider datasets for NPI 1891780805.

How much does Medicare pay Richard Zelkowitz?

Richard Zelkowitz (NPI 1891780805) received approximately $110K in total Medicare Part B payments, serving 407 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1891780805

Richard ZelkowitzM.D.

Hematology-OncologyNorwalk, CTI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

550

Unique beneficiaries

—

Total services

1,101

Distinct HCPCS

Medicare payment

$91K

Peer benchmark

Total Medicare services vs. 119 Hematology-Oncology providers in CT — top quintile (cohort median 735).

PRESCRIBING · PART D · 2024

Total Rx claims

604

Beneficiaries

—

Total drug cost

$1.8M

Distinct drugs

Brand share

18.5%

Top prescribed drugs

Anastrozole251 claims

Abemaciclib74 claims

Exemestane74 claims

Letrozole72 claims

Risedronate Sodium39 claims

QUALITY · MIPS · 2024

Final MIPS score

90.4

Quality

83.4

Cost

75.9

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.65%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$9K

Payment records

By payment type

Consulting Fee$8K

Food and Beverage$803

Education$23

Top paying entities

Consulting Fee$8K

Food and Beverage$803

Education$23

REFERRAL NETWORK

Where Richard Zelkowitz'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). 32 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
NORWALK HOSPITAL ASSOCIATION	453	4,301
Heather Frimmer Diagnostic Radiology · Norwalk, CT	90	278
Richard Frank Medical Oncology · Norwalk, CT	78	563
Quest Diagnostics Llc Clinical Laboratory · Wallingford, CT	67	211
NAIR, KESAV	65	580
RUSKIN, ANDREA	57	388
Ryan Crawford Diagnostic Radiology · Portland, OR	53	127
Ronald Lee Diagnostic Radiology · Norwalk, CT	36	95
David Klein Diagnostic Radiology · Norwalk, CT	35	108
Gillian Levy Pathology · Norwalk, CT	33	94
MICHAELSON, STEPHEN	32	76
Ralph Kirmser Cardiology · Norwalk, CT	32	116

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