What is David Klein's specialty?

David Klein (NPI 1427021021) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in Norwalk, CT.

Where does David Klein practice?

David Klein practices in Norwalk, CT, based on the location reported in the CMS Medicare provider datasets for NPI 1427021021.

How much does Medicare pay David Klein?

David Klein (NPI 1427021021) received approximately $85K in total Medicare Part B payments, serving 1,627 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1427021021

David KleinMD

PRACTICEMARTIN D. ARKIN, P.C.See all providers at this practice →

Diagnostic RadiologyNorwalk, CTI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,061

Unique beneficiaries

—

Total services

2,153

Distinct HCPCS

Medicare payment

$71K

Peer benchmark

Total Medicare services vs. 477 Diagnostic Radiology providers in CT — below median (cohort median 2,737).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

86.6

Quality

84.9

Cost

71.3

Improvement activities

40.0

Promoting interop.

99.0

Payment adjustment

0.49%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where David Klein'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). 130 inbound referrers · 274 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
NORWALK HOSPITAL ASSOCIATION	615	1,251
Quest Diagnostics Llc Clinical Laboratory · Wallingford, CT	295	579
MICHAELSON, STEPHEN	189	342
David Lomnitz Cardiology · Norwalk, CT	185	313
Ralph Kirmser Cardiology · Norwalk, CT	182	316
Heather Frimmer Diagnostic Radiology · Norwalk, CT	173	303
NORWALK HOSPITAL ASSOCIATION	162	254
Charles Augenbraun Cardiology · Norwalk, CT	159	303
Ryan Crawford Diagnostic Radiology · Portland, OR	150	271
Boris Sheynberg Cardiology · Westport, CT	140	305
Ronald Lee Diagnostic Radiology · Norwalk, CT	122	212
MAITEM, AVELINO	89	186

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
NORWALK HOSPITAL ASSOCIATION	1,221	2,330
NORWALK HOSPITAL ASSOCIATION	374	505
Edward Strauss Diagnostic Radiology · Norwalk, CT	291	658
MICHAELSON, STEPHEN	253	432
Tao-Nan Chi Internal Medicine · Norwalk, CT	212	324
NORWALK HOSPITAL ASSOCIATION	207	322
Quest Diagnostics Llc Clinical Laboratory · Wallingford, CT	204	459
James Bauman Diagnostic Radiology · Norwalk, CT	199	377
Steven Bernstein Diagnostic Radiology · Norwalk, CT	154	304
Ralph Kirmser Cardiology · Norwalk, CT	148	286
Andrew Shih Diagnostic Radiology · Norwalk, CT	141	226
Heather Frimmer Diagnostic Radiology · Norwalk, CT	136	214

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