PROVIDER PROFILE · NPI 1952560310

Peter GrinspoonM.D.

Internal MedicineChelsea, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

109

Distinct HCPCS

Medicare payment

$11K

Peer benchmark

Total Medicare services vs. 3,978 Internal Medicine providers in MA — bottom quintile (cohort median 564).

PRESCRIBING · PART D · 2024

Total Rx claims

990

Beneficiaries

—

Total drug cost

$192K

Distinct drugs

Brand share

28.9%

Top prescribed drugs

Atorvastatin Calcium136 claims

Lisinopril75 claims

Metformin Hcl61 claims

Losartan Potassium58 claims

Omeprazole53 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Peter Grinspoon'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). 3 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
THE GENERAL HOSPITAL CORPORATION	146	2,002
Diane Greer Psychiatry · Chelsea, MA	18	171
HUGHES, ROBERT	11	85

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