What is John Holland's specialty?

John Holland (NPI 1104834662) is a Medicare-billing provider whose primary specialty is Radiation Oncology in Portland, OR.

Where does John Holland practice?

John Holland practices in Portland, OR, based on the location reported in the CMS Medicare provider datasets for NPI 1104834662.

How much does Medicare pay John Holland?

John Holland (NPI 1104834662) received approximately $14K in total Medicare Part B payments, serving 35 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1104834662

John HollandMD

Radiation OncologyPortland, ORI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

153

Distinct HCPCS

Medicare payment

$8K

Peer benchmark

Total Medicare services vs. 81 Radiation Oncology providers in OR — bottom quintile (cohort median 1,033).

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

No data available for this provider in 2024.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 380009

Hospital

CCN 380060

Hospital

REFERRAL NETWORK

Where John Holland'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). 5 inbound referrers · 10 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Charles Thomas Radiation Oncology · Lebanon, NH	30	68
Charlotte Kubicky Radiation Oncology · Roseville, CA	29	93
TUALITY HEALTHCARE	19	40
PRIMACK, STEVEN	14	44
Cristina Fuss Diagnostic Radiology · Portland, OR	14	39

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
OREGON HEALTH & SCIENCE UNIVERSITY	134	689
Arthur Hung Radiation Oncology · Portland, OR	45	175
Charlotte Kubicky Radiation Oncology · Roseville, CA	35	101
Charles Thomas Radiation Oncology · Lebanon, NH	32	83
TUALITY-OHSU CANCER CENTER, LLC	24	328
TUALITY HEALTHCARE	23	38
Timur Mitin Radiation Oncology · Hillsboro, OR	20	64
Carol Marquez Radiation Oncology · Stanford, CA	17	56
TOLBA, KHALED	12	112
Marc Gosselin Diagnostic Radiology · Dallas, TX	11	22

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