What is William Grace's specialty?

William Grace (NPI 1578565610) is a Medicare-billing provider whose primary specialty is Medical Oncology in New York, NY.

Where does William Grace practice?

William Grace practices in New York, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1578565610.

How much does Medicare pay William Grace?

William Grace (NPI 1578565610) received approximately $1.2M in total Medicare Part B payments, serving 465 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1578565610

William GraceM.D.

Medical OncologyNew York, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,371

Unique beneficiaries

—

Total services

53,235

Distinct HCPCS

Medicare payment

$553K

Peer benchmark

Total Medicare services vs. 506 Medical Oncology providers in NY — top quintile (cohort median 458).

PRESCRIBING · PART D · 2024

Total Rx claims

837

Beneficiaries

—

Total drug cost

$3.9M

Distinct drugs

Brand share

58.9%

Top prescribed drugs

Letrozole69 claims

Fosnetupitant/Palonosetron61 claims

Enzalutamide59 claims

Palbociclib57 claims

Darbepoetin Alfa In Polysorbat56 claims

QUALITY · MIPS · 2024

Final MIPS score

100.0

Quality

15.8

Cost

75.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

1.05%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where William Grace'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). 4 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Bioreference Health, Llc Clinical Laboratory · Elmwood Park, NJ	70	3,038
LENOX HILL HOSPITAL	38	426
JAVIT, DANIEL	12	108
Dimitry Hikin Diagnostic Radiology · Long Island City, NY	12	71

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