What is John Chaffee's specialty?

John Chaffee (NPI 1326123126) is a Medicare-billing provider whose primary specialty is Family Practice in Federal Way, WA.

Where does John Chaffee practice?

John Chaffee practices in Federal Way, WA, based on the location reported in the CMS Medicare provider datasets for NPI 1326123126.

How much does Medicare pay John Chaffee?

Medicare Part B utilization, prescribing (Part D), MIPS quality scores, and industry payments for John Chaffee (NPI 1326123126) are detailed on this CareTrace profile.

PROVIDER PROFILE · NPI 1326123126

John Chaffee

Family PracticeFederal Way, WAI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

399

Beneficiaries

—

Total drug cost

$4K

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Atorvastatin Calcium63 claims

Losartan Potassium48 claims

Lisinopril46 claims

Amlodipine Besylate37 claims

Metoprolol Succinate31 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where John Chaffee'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). 8 inbound referrers · 11 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
UNIVERSITY OF WASHINGTON	224	1,171
Victoria Fang Internal Medicine · Federal Way, WA	103	597
ST FRANCIS COMMUNITY HOSPITAL	63	239
HARBORVIEW MEDICAL CENTER	18	75
MULTICARE HEALTH SYSTEM	16	56
Anita Reddy Family Practice · Federal Way, WA	15	35
Robert Dini Family Practice · Federal Way, WA	12	60
Bradley Frederickson Optometry · Federal Way, WA	11	26

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
UNIVERSITY OF WASHINGTON	117	430
PUBLIC HOSPITAL DISTRICT 1 OF KING COUNTY	62	273
Victoria Fang Internal Medicine · Federal Way, WA	62	239
ST FRANCIS COMMUNITY HOSPITAL	45	146
Robert Dini Family Practice · Federal Way, WA	21	53
HARBORVIEW MEDICAL CENTER	21	77
FRANCISCAN HEALTH SYSTEM	18	50
Jaime Gerber Family Medicine · Pittsburgh, PA	17	38
American Medical Response Ambulance Service Inc Ambulance Service Provider · Tukwila, WA	16	43
MULTICARE HEALTH SYSTEM	14	53
Anita Reddy Family Practice · Federal Way, WA	12	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

Healthparse Signals

Monitor this provider for changes — dated NPI change events