What is Roy Greengrass's specialty?

Roy Greengrass (NPI 1699762989) is a Medicare-billing provider whose primary specialty is Anesthesiology in Jacksonville, FL.

Where does Roy Greengrass practice?

Roy Greengrass practices in Jacksonville, FL, based on the location reported in the CMS Medicare provider datasets for NPI 1699762989.

How much does Medicare pay Roy Greengrass?

Roy Greengrass (NPI 1699762989) received approximately $38K in total Medicare Part B payments, serving 306 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1699762989

Roy GreengrassMD

PRACTICEMAYO CLINICSee all providers at this practice →

AnesthesiologyJacksonville, FLI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

300

Unique beneficiaries

—

Total services

300

Distinct HCPCS

Medicare payment

$23K

Peer benchmark

Total Medicare services vs. 2,376 Anesthesiology providers in FL — top quintile (cohort median 164).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

84.2

Quality

74.8

Cost

72.6

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.39%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Roy Greengrass'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). 41 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Mayo Clinic Jacksonville Clinical Laboratory · Jacksonville, FL	300	895
Joan Irizarry Alvarado Internal Medicine · Jacksonville, FL	97	123
K Venkatachalam Cardiology · Jacksonville, FL	87	109
Fred Kusumoto Clinical Cardiac Electrophysiology · Jacksonville, FL	78	99
Pedro Malavet Internal Medicine · Jacksonville, FL	47	65
Linda Marks Nurse Practitioner · Jacksonville, FL	39	48
BLASSER, KURT	38	107
Daniel Wessell Diagnostic Radiology · Jacksonville, FL	38	53
John Redmond Orthopedic Surgery · Jacksonville, FL	30	98
Courtney Sherman Orthopedic Surgery · Jacksonville, FL	30	107
NPI 1376534453	23	34
Hillary Garner Diagnostic Radiology · Jacksonville, FL	22	32

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