PROVIDER PROFILE · NPI 1790724409

Corrine ZarwanMD

PRACTICELAHEY CLINIC, INC.See all providers at this practice →

Medical OncologyBurlington, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

443

Unique beneficiaries

—

Total services

765

Distinct HCPCS

Medicare payment

$46K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

1,001

Beneficiaries

—

Total drug cost

$1.3M

Distinct drugs

Brand share

12.7%

Top prescribed drugs

Anastrozole383 claims

Tamoxifen Citrate118 claims

Letrozole62 claims

Lorazepam62 claims

Alendronate Sodium42 claims

QUALITY · MIPS · 2024

Final MIPS score

92.0

Quality

76.6

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.71%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Corrine Zarwan'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). 26 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
GIRSHOVICH, LYUBOV	38	232
Mary Katherine Mcneice Nurse Practitioner · Burlington, MA	34	214
KARP, STEPHEN	31	120
Keith Stuart Hematology-Oncology · Boston, MA	28	229
MORRIS, PATRICIA	25	55
Dmitry Elentuck Diagnostic Radiology · Burlington, MA	20	40
Jeanette Chun Diagnostic Radiology · Burlington, MA	20	64
POLLAK, ALAIN	19	51
Christoph Wald Diagnostic Radiology · Rochester, MN	19	88
Lisl Warren Diagnostic Radiology · Burlington, MA	18	39
Neela Natarajan Medical Oncology · Burlington, MA	18	165
Jennifer Broder Diagnostic Radiology · Burlington, MA	18	44

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