What is David Holznagel's specialty?

David Holznagel (NPI 1700064862) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in Walla Walla, WA.

Where does David Holznagel practice?

David Holznagel practices in Walla Walla, WA, based on the location reported in the CMS Medicare provider datasets for NPI 1700064862.

How much does Medicare pay David Holznagel?

David Holznagel (NPI 1700064862) received approximately $125K in total Medicare Part B payments, serving 1,194 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1700064862

David HolznagelMD

PRACTICETHOMAS V MAROLDO, MDSee all providers at this practice →

Diagnostic RadiologyWalla Walla, WAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,926

Unique beneficiaries

—

Total services

3,087

Distinct HCPCS

Medicare payment

$109K

Peer benchmark

Total Medicare services vs. 769 Diagnostic Radiology providers in WA — above median (cohort median 3,244).

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

$1K

Payment records

By payment type

Consulting Fee$1K

Top paying entities

Consulting Fee$1K

REFERRAL NETWORK

Where David Holznagel'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). 93 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PROVIDENCE HEALTH & SERVICES - WASHINGTON	1,838	4,897
Jon Gardner Internal Medicine · Walla Walla, WA	367	851
Terry Chun Diagnostic Radiology · Bremerton, WA	329	718
James Buratto Diagnostic Radiology · Walla Walla, WA	291	705
Marc Bruce Diagnostic Radiology · Walla Walla, WA	257	600
Suwong Wongsuwan Cardiology · Walla Walla, WA	175	517
David Maxwell Emergency Medicine · Walla Walla, WA	161	421
Joanne Lynn Perez Internal Medicine · Walla Walla, WA	147	519
Aaron Jones Emergency Medicine · Walla Walla, WA	140	323
COLUMBIA COUNTY HOSPITAL DISTRICT	140	380
PRIVIA MEDICAL GROUP WASHINGTON, PLLC	137	428
Eric Brown Emergency Medicine · Walla Walla, WA	117	303

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