What is Mark Canfield's specialty?

Mark Canfield (NPI 1336282623) is a Medicare-billing provider whose primary specialty is Optometry in Greenville, MI.

Where does Mark Canfield practice?

Mark Canfield practices in Greenville, MI, based on the location reported in the CMS Medicare provider datasets for NPI 1336282623.

How much does Medicare pay Mark Canfield?

Mark Canfield (NPI 1336282623) received approximately $9K in total Medicare Part B payments, serving 156 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1336282623

Mark CanfieldO.D.

PRACTICEPROGRESSIVE EYE CARE INC.See all providers at this practice →

OptometryGreenville, MII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

147

Unique beneficiaries

—

Total services

157

Distinct HCPCS

Medicare payment

$8K

Peer benchmark

Total Medicare services vs. 962 Optometry providers in MI — above median (cohort median 177).

PRESCRIBING · PART D · 2024

Total Rx claims

299

Beneficiaries

—

Total drug cost

$20K

Distinct drugs

Brand share

29.4%

Top prescribed drugs

Latanoprost137 claims

Erythromycin Base43 claims

Timolol Maleate34 claims

Tobramycin/Dexamethasone29 claims

Cyclosporine16 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 Mark Canfield'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). 2 inbound referrers · 3 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SPECTRUM HEALTH UNITED	50	93
SPARROW CARSON HOSPITAL	11	25

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
SPECTRUM HEALTH UNITED	54	106
REGENTS OF THE UNIVERSITY OF MICHIGAN	12	13
Russell Weber Ophthalmology · Grand Rapids, MI	11	21

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