PROVIDER PROFILE · NPI 1639103781

Karen VanderwallM.D.

PRACTICEANESTHESIA SERVICE MEDICAL GROUPSee all providers at this practice →

AnesthesiologySan Diego, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$2K

Peer benchmark

Total Medicare services vs. 4,547 Anesthesiology providers in CA — bottom quintile (cohort median 182).

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.

REFERRAL NETWORK

Where Karen Vanderwall'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). 6 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SHARP MEMORIAL HOSPITAL	44	81
Syed Jafar Psychiatry · San Diego, CA	36	68
Sanjoy Sathpathy Psychiatry & Neurology · San Diego, CA	16	48
Co Truong Anesthesiology · San Diego, CA	16	19
Joseph Minick Psychiatry & Neurology · Chula Vista, CA	16	67
Vinit Wellis Anesthesiology · San Diego, CA	16	22

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