PROVIDER PROFILE · NPI 1396747218

Marc ChristensenMD, PHD, PA

NeurosurgeryBoston, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$3K

Peer benchmark

Total Medicare services vs. 134 Neurosurgery providers in MA — bottom quintile (cohort median 323).

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 · 2024

Total received

$3K

Payment records

By payment type

Travel and Lodging$2K

Food and Beverage$891

REFERRAL NETWORK

Where Marc Christensen'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). 2 inbound referrers · 2 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ST. MARY'S REGIONAL MEDICAL CENTER	30	189
Allison Gagnon Physician Assistant · Lewiston, ME	17	60

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
ST. MARY'S REGIONAL MEDICAL CENTER	45	329
Adam Johnson Nurse Practitioner · Auburn, ME	13	16

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