PROVIDER PROFILE · NPI 1659390649

John ChartierM.D.

PRACTICEJOHN MUIR PHYSICIAN NETWORKSee all providers at this practice →

Family PracticeConcord, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

513

Unique beneficiaries

—

Total services

923

Distinct HCPCS

Medicare payment

$76K

Peer benchmark

Total Medicare services vs. 8,228 Family Practice providers in CA — above median (cohort median 411).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$9K

Distinct drugs

Brand share

40.2%

Top prescribed drugs

Pantoprazole Sodium23 claims

Hydrocodone/Acetaminophen20 claims

Cefpodoxime Proxetil15 claims

Apixaban13 claims

Metoprolol Succinate11 claims

QUALITY · MIPS · 2024

Final MIPS score

90.3

Quality

89.5

Cost

74.3

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.64%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where John Chartier'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). 67 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Jonathan Posin Diagnostic Radiology · Walnut Creek, CA	76	204
Jennifer Decolongon Family Practice · Sacramento, CA	66	184
Viktoriya Sharp Internal Medicine · Walnut Creek, CA	60	267
Amy Lai Diagnostic Radiology · New York, NY	48	140
Kimberly Blumberg Diagnostic Radiology · Walnut Creek, CA	47	150
Ronald Chan Diagnostic Radiology · Walnut Creek, CA	42	109
Joshua Gitter Internal Medicine · Emeryville, CA	42	166
Angelo Crudale Diagnostic Radiology · Walnut Creek, CA	40	118
Konark Sharma Infectious Disease · Walnut Creek, CA	38	174
Sunil Gandhi Diagnostic Radiology · Walnut Creek, CA	37	102
Michael Brown Cardiology · Walnut Creek, CA	37	132
SCHICK, ROBERT	35	90

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