PROVIDER PROFILE · NPI 1790727873

Gregory GroetsemaMD

PRACTICEOCONNOR HOSPITALSee all providers at this practice →

Emergency MedicineSan Jose, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

817

Unique beneficiaries

—

Total services

858

Distinct HCPCS

Medicare payment

$77K

Peer benchmark

Total Medicare services vs. 5,287 Emergency Medicine providers in CA — top quintile (cohort median 355).

PRESCRIBING · PART D · 2024

Total Rx claims

224

Beneficiaries

—

Total drug cost

$2K

Distinct drugs

Brand share

32.6%

Top prescribed drugs

Cephalexin71 claims

Ibuprofen41 claims

Nitrofurantoin Monohyd/M-Cryst22 claims

Ondansetron20 claims

Hydrocodone/Acetaminophen19 claims

QUALITY · MIPS · 2024

Final MIPS score

61.0

Quality

59.4

Cost

71.5

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

-1.68%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Gregory Groetsema'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). 17 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
GRIFFIN, CHARLES	130	351
Vineet Sharma Diagnostic Radiology · Fremont, CA	106	209
Royal Ambulance Inc. Ambulance Service Provider · San Leandro, CA	37	86
David Hyun Cardiology · San Jose, CA	35	75
Dae-Wook Kang Internal Medicine · San Jose, CA	25	77
COUNTY OF SANTA CLARA	22	96
SAN JOSE HEALTHCARE SYSTEM, L.P.	19	60
FARR, SARA	17	32
Daniel Tse Internal Medicine · San Jose, CA	16	49
NPI 1447682380	16	59
Alexander Doan Nephrology · San Jose, CA	14	45
Sharad Dass Pulmonary Disease · San Jose, CA	13	24

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