What is Marc Christensen's specialty?

Marc Christensen (NPI 1396747218) is a Medicare-billing provider whose primary specialty is Neurosurgery in Boston, MA.

Where does Marc Christensen practice?

Marc Christensen practices in Boston, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1396747218.

How much does Medicare pay Marc Christensen?

Marc Christensen (NPI 1396747218) received approximately $18K in total Medicare Part B payments, serving 35 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

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 · 2025

No data available for this provider in 2025.

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events