What is David Janeway's specialty?

David Janeway (NPI 1821177437) is a Medicare-billing provider whose primary specialty is Family Practice in Arlington, WA.

Where does David Janeway practice?

David Janeway practices in Arlington, WA, based on the location reported in the CMS Medicare provider datasets for NPI 1821177437.

How much does Medicare pay David Janeway?

David Janeway (NPI 1821177437) received approximately $54K in total Medicare Part B payments, serving 208 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1821177437

David JanewayM.D.

PRACTICEWHITEHORSE FAMILY MEDICINE, INC., P.S.See all providers at this practice →

Family PracticeArlington, WAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

429

Unique beneficiaries

—

Total services

588

Distinct HCPCS

Medicare payment

$44K

Peer benchmark

Total Medicare services vs. 2,681 Family Practice providers in WA — top quintile (cohort median 352).

PRESCRIBING · PART D · 2024

Total Rx claims

9,410

Beneficiaries

—

Total drug cost

$1.1M

Distinct drugs

134

Brand share

22.6%

Top prescribed drugs

Atorvastatin Calcium1,054 claims

Losartan Potassium468 claims

Lisinopril451 claims

Levothyroxine Sodium337 claims

Metoprolol Succinate305 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$655

Payment records

By payment type

Food and Beverage$655

Top paying entities

Food and Beverage$655

REFERRAL NETWORK

Where David Janeway'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). 21 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PUBLIC HOSPITAL DIST NO 1 SKAGIT	172	703
CITY OF ARLINGTON	59	372
Ross Hartling Diagnostic Radiology · Arlington, WA	52	201
Lisa Biehl Nurse Practitioner · Arlington, WA	50	197
CLAY & DAVIS DEVELOPMENT, LLC	46	280
James Fletcher Family Practice · Arlington, WA	41	119
PUBLIC HOSPITAL DIST NO 1 SKAGIT	39	163
Laboratory Corporation Of America Clinical Laboratory · Seattle, WA	24	67
Martin Watterson Emergency Medicine · Bellingham, WA	22	104
RUSSELL, ROBERT	20	92
HUTCHINSON, PETER	20	68
Karen Myren Family Practice · Arlington, WA	19	100

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events