What is Isaac Stillman's specialty?

Isaac Stillman (NPI 1548207723) is a Medicare-billing provider whose primary specialty is Pathology in Boston, MA.

Where does Isaac Stillman practice?

Isaac Stillman practices in Boston, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1548207723.

How much does Medicare pay Isaac Stillman?

Isaac Stillman (NPI 1548207723) received approximately $29K in total Medicare Part B payments, serving 70 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1548207723

Isaac StillmanM.D.

PathologyBoston, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

395

Unique beneficiaries

—

Total services

1,034

Distinct HCPCS

Medicare payment

$25K

Peer benchmark

Total Medicare services vs. 548 Pathology providers in MA — below median (cohort median 1,471).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Isaac Stillman'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). 33 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Ronald Eisenberg Diagnostic Radiology · Boston, MA	79	104
Alexander Bankier Diagnostic Radiology · Worcester, MA	44	57
Paul Spirn Diagnostic Radiology · Boston, MA	43	58
Jim Wu Diagnostic Radiology · Boston, MA	31	34
NI MHUIRCHEARTAIGH, JENNIFER	28	37
BETH ISRAEL DEACONESS HOSPITAL-NEEDHAM, INC.	27	47
Colm Mcmahon Diagnostic Radiology · Boston, MA	27	34
BOISELLE, PHILLIP	23	30
Sidharta Gangadharan Thoracic Surgery · Boston, MA	22	75
Robert Glen Davis Orthopedic Surgery · Boston, MA	20	65
RASMUSSEN, CARL	19	20
James Ducksoon Chang Cardiology · Boston, MA	18	25

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