What is Mark Grief's specialty?

Mark Grief (NPI 1598816043) is a Medicare-billing provider whose primary specialty is General Surgery in Aiea, HI.

Where does Mark Grief practice?

Mark Grief practices in Aiea, HI, based on the location reported in the CMS Medicare provider datasets for NPI 1598816043.

How much does Medicare pay Mark Grief?

Mark Grief (NPI 1598816043) received approximately $46K in total Medicare Part B payments, serving 186 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1598816043

Mark GriefM.D.

PRACTICEMARK W. GRIEF, M.D., INC.See all providers at this practice →

General SurgeryAiea, HII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

187

Unique beneficiaries

—

Total services

207

Distinct HCPCS

Medicare payment

$14K

Peer benchmark

Total Medicare services vs. 66 General Surgery providers in HI — top quintile (cohort median 190).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$389

Distinct drugs

Brand share

13.5%

Top prescribed drugs

Tramadol Hcl46 claims

Cephalexin16 claims

Ibuprofen15 claims

Hydrocodone/Acetaminophen12 claims

QUALITY · MIPS · 2024

Final MIPS score

83.3

Quality

67.5

Cost

77.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.35%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$223

Payment records

By payment type

Food and Beverage$223

Top paying entities

Food and Beverage$223

REFERRAL NETWORK

Where Mark Grief'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). 9 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PALI MOMI MEDICAL CENTER	135	426
Diagnostic Laboratory Services, Inc Clinical Laboratory · Aiea, HI	84	256
Clinical Laboratories Of Hawaii Llp Clinical Laboratory · Ewa Beach, HI	28	150
Matthew Yuh Diagnostic Radiology · Honolulu, HI	21	50
ARIMOTO, HOWARD	19	53
Joseph Aoki Pathology · Hilo, HI	18	41
Jeremy Kuniyoshi Diagnostic Radiology · San Diego, CA	17	25
THE QUEEN'S MEDICAL CENTER	17	36
REINKING, GREGORY	11	22

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events