What is Christopher Chambers's specialty?

Christopher Chambers (NPI 1184831869) is a Medicare-billing provider whose primary specialty is Vascular Surgery in Grand Rapids, MI.

Where does Christopher Chambers practice?

Christopher Chambers practices in Grand Rapids, MI, based on the location reported in the CMS Medicare provider datasets for NPI 1184831869.

How much does Medicare pay Christopher Chambers?

Christopher Chambers (NPI 1184831869) received approximately $76K in total Medicare Part B payments, serving 410 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1184831869

Christopher ChambersMD, PHD

Vascular SurgeryGrand Rapids, MII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

490

Unique beneficiaries

—

Total services

516

Distinct HCPCS

Medicare payment

$44K

Peer benchmark

Total Medicare services vs. 131 Vascular Surgery providers in MI — below median (cohort median 1,032).

PRESCRIBING · PART D · 2024

Total Rx claims

166

Beneficiaries

—

Total drug cost

$42K

Distinct drugs

Brand share

83.7%

Top prescribed drugs

Clopidogrel Bisulfate78 claims

Apixaban40 claims

Rivaroxaban21 claims

Cilostazol14 claims

Atorvastatin Calcium13 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$633

Payment records

By payment type

Food and Beverage$633

Top paying entities

Food and Beverage$633

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

Hospital

Hospital

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where Christopher Chambers'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 · 38 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SPECTRUM HEALTH PRIMARY CARE PARTNERS	70	128
Robert Cuff Vascular Surgery · Grand Rapids, MI	47	120
SHELL, WILLIAM	45	69
Eanas Yassa Vascular Surgery · Grand Rapids, MI	29	68
SPECTRUM HEALTH UNITED	28	104
ADVANTAGE HEALTH/SAINT MARY'S MEDICAL GROUP	27	50
MECOSTA COUNTY MEDICAL CENTER	21	63
Jason Slaikeu Vascular Surgery · Grand Rapids, MI	21	60
Christopher Buchach Diagnostic Radiology · Grand Rapids, MI	18	30
Elizabeth House Physician Assistant · Grand Rapids, MI	17	35
GRAND VALLEY MEDICAL SPECIALISTS PLC	16	34
James Larson Diagnostic Radiology · Grand Rapids, MI	16	29

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
SPECTRUM HEALTH HOSPITALS	209	671
REGENTS OF THE UNIVERSITY OF MICHIGAN	144	285
SPECTRUM HEALTH PRIMARY CARE PARTNERS	68	128
Eanas Yassa Vascular Surgery · Grand Rapids, MI	46	103
SAINT MARY'S HEALTH SERVICES	37	89
Stefano Bordoli Vascular Surgery · Grand Rapids, MI	37	84
Jason Slaikeu Vascular Surgery · Grand Rapids, MI	37	84
Peter Wong Vascular Surgery · Mount Vernon, IL	35	110
Robert Cuff Vascular Surgery · Grand Rapids, MI	33	79
ADVANTAGE HEALTH/SAINT MARY'S MEDICAL GROUP	27	56
NPI 1730149709	27	55
Elizabeth House Physician Assistant · Grand Rapids, MI	26	41

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