PROVIDER PROFILE · NPI 1811985633

Mark OstremMD

Internal MedicineQuincy, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

711

Unique beneficiaries

—

Total services

2,002

Distinct HCPCS

Medicare payment

$166K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

15,841

Beneficiaries

—

Total drug cost

$2.1M

Distinct drugs

201

Brand share

23.5%

Top prescribed drugs

Trazodone Hcl793 claims

Atorvastatin Calcium716 claims

Apixaban514 claims

Gabapentin495 claims

Baclofen435 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 Mark Ostrem'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). 43 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
STEWARD CARNEY HOSPITAL, INC.	221	2,516
FALLON SERVICE, INC.	98	1,456
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	92	612
ALLIANCE HEALTH OF QUINCY, INC.	91	952
Michele Eldredge Nurse Practitioner · Hyannis, MA	82	2,107
Alexander Feinstein Diagnostic Radiology · Boston, MA	80	475
Shadi Abboud Podiatry · Framingham, MA	76	343
Jose Varghese Diagnostic Radiology · Boston, MA	70	466
Richard Herman Diagnostic Radiology · Boston, MA	60	368
Shaohua Deng Nurse Practitioner · Quincy, MA	50	599
Cyllene Saintelien Nurse Practitioner · Plymouth, MA	41	230
CARR, STEVEN	41	511

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