PROVIDER PROFILE · NPI 1386833358

Mark VandewalkerM.D.

Allergy/ ImmunologyColumbia, MOI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

554

Unique beneficiaries

—

Total services

7,658

Distinct HCPCS

Medicare payment

$54K

Peer benchmark

Total Medicare services vs. 60 Allergy/ Immunology providers in MO — top quintile (cohort median 2,951).

PRESCRIBING · PART D · 2024

Total Rx claims

564

Beneficiaries

—

Total drug cost

$151K

Distinct drugs

Brand share

35.5%

Top prescribed drugs

Montelukast Sodium224 claims

Fluticasone/Umeclidin/Vilanter65 claims

Epinephrine60 claims

Levocetirizine Dihydrochloride39 claims

Albuterol Sulfate32 claims

QUALITY · MIPS · 2024

Final MIPS score

84.3

Quality

86.0

Cost

73.2

Improvement activities

40.0

Promoting interop.

86.0

Payment adjustment

0.39%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$409

Payment records

By payment type

Food and Beverage$409

REFERRAL NETWORK

Where Mark Vandewalker'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). 4 inbound referrers · 11 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
BOYCE - BYNUM PATHOLOGY LABORATORIES, INC	88	518
CURATORS OF THE UNIVERSITY OF MISSOURI	38	273
Bonnie Smith Diagnostic Radiology · Jefferson City, MO	12	28
TELLERMAN, BARBARA	11	30

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
BOYCE - BYNUM PATHOLOGY LABORATORIES, INC	82	421
CURATORS OF THE UNIVERSITY OF MISSOURI	66	565
CH ALLIED SERVICES, INC.	48	178
William Stricker Allergy/ Immunology · Columbia, MO	37	149
CURATORS OF THE UNIVERSITY OF MISSOURI	36	236
SSM REGIONAL HEALTH SERVICES	27	87
Jcmg Ancillary Services, Llc Independent Diagnostic Testing Facility (IDTF) · Jefferson City, MO	26	110
Bonnie Smith Diagnostic Radiology · Jefferson City, MO	16	31
Matthew Lewis Ophthalmology · Jefferson City, MO	13	65
LAKE REGIONAL HEALTH SYSTEM	12	22
TELLERMAN, BARBARA	11	32

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