What is Brock Gretter's specialty?

Brock Gretter (NPI 1033275862) is a Medicare-billing provider whose primary specialty is Anesthesiology in Cleveland, OH.

Where does Brock Gretter practice?

Brock Gretter practices in Cleveland, OH, based on the location reported in the CMS Medicare provider datasets for NPI 1033275862.

How much does Medicare pay Brock Gretter?

Brock Gretter (NPI 1033275862) received approximately $20K in total Medicare Part B payments, serving 257 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1033275862

Brock GretterM.D.

PRACTICECLEVELAND CLINICSee all providers at this practice →

AnesthesiologyCleveland, OHI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

135

Unique beneficiaries

—

Total services

135

Distinct HCPCS

Medicare payment

$8K

Peer benchmark

Total Medicare services vs. 1,465 Anesthesiology providers in OH — above median (cohort median 200).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (4)

Hospital

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where Brock Gretter'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). 4 inbound referrers · 7 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Nicole Harder Physician Assistant · Lorain, OH	21	24
GWYNN, MAUREEN	13	15
LAKEWOOD HOSPITAL ASSOCIATION	13	16
Ravi Chari General Surgery · Elyria, OH	11	15

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
THE CLEVELAND CLINIC FOUNDATION	101	221
Bryan Costin Ophthalmology · Avon, OH	31	59
Diane Weisenberger Certified Registered Nurse Anesthetist (CRNA) · Avon, OH	29	30
Margaret Hildebrandt Certified Registered Nurse Anesthetist (CRNA) · Cleveland, OH	19	19
Susan Tomcany Certified Registered Nurse Anesthetist (CRNA) · Cleveland, OH	16	17
LAKEWOOD HOSPITAL ASSOCIATION	12	16
Ravi Chari General Surgery · Elyria, OH	11	29

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