What is Mark Sundermeyer's specialty?

Mark Sundermeyer (NPI 1386690337) is a Medicare-billing provider whose primary specialty is Medical Oncology in Saint Louis, MO.

Where does Mark Sundermeyer practice?

Mark Sundermeyer practices in Saint Louis, MO, based on the location reported in the CMS Medicare provider datasets for NPI 1386690337.

How much does Medicare pay Mark Sundermeyer?

Mark Sundermeyer (NPI 1386690337) received approximately $796K in total Medicare Part B payments, serving 330 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1386690337

Mark SundermeyerMD

Medical OncologySaint Louis, MOI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

703

Unique beneficiaries

—

Total services

9,852

Distinct HCPCS

Medicare payment

$394K

Peer benchmark

Total Medicare services vs. 109 Medical Oncology providers in MO — above median (cohort median 16,285).

PRESCRIBING · PART D · 2024

Total Rx claims

390

Beneficiaries

—

Total drug cost

$459K

Distinct drugs

Brand share

11.0%

Top prescribed drugs

Dexamethasone48 claims

Prochlorperazine Maleate47 claims

Ondansetron Hcl41 claims

Anastrozole35 claims

Prednisone35 claims

QUALITY · MIPS · 2024

Final MIPS score

80.2

Quality

62.4

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.22%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Mark Sundermeyer'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). 20 inbound referrers · 36 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Norristown, PA	38	226
James Stinchon Diagnostic Radiology · Abington, PA	30	71
Scott Herbert Radiation Oncology · Abington, PA	26	254
Steven Tey Diagnostic Radiology · Abington, PA	24	85
Joseph Neri Cardiology · Horsham, PA	23	99
Alan Woronoff Diagnostic Radiology · Lake Forest, IL	22	54
Naishadh Shah Diagnostic Radiology · Abington, PA	22	90
BRECKENRIDGE, JOHN	21	64
Sharon Weiss Diagnostic Radiology · Abington, PA	20	54
Robert White Diagnostic Radiology · Camden, NJ	18	30
ABINGTON MEMORIAL HOSPITAL	17	69
Sara Goldman Diagnostic Radiology · Abington, PA	16	72

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
ABINGTON MEMORIAL HOSPITAL	226	4,055
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Norristown, PA	31	148
Paul O'moore Diagnostic Radiology · Abington, PA	27	86
Rajan Agarwal Diagnostic Radiology · Abington, PA	24	74
ABINGTON MEMORIAL HOSPITAL	21	60
Robert White Diagnostic Radiology · Camden, NJ	19	42
Scott Herbert Radiation Oncology · Abington, PA	18	211
BRECKENRIDGE, JOHN	18	54
James Stinchon Diagnostic Radiology · Abington, PA	18	41
Kevin Brown Diagnostic Radiology · Abington, PA	17	79
Mihaela Vava Diagnostic Radiology · Abington, PA	17	41
Jennifer Frabizzio Diagnostic Radiology · Abington, PA	17	74

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