What is Janie Gia-Lin Weng Grumley's specialty?

Janie Gia-Lin Weng Grumley (NPI 1063616142) is a Medicare-billing provider whose primary specialty is General Surgery in Santa Monica, CA.

Where does Janie Gia-Lin Weng Grumley practice?

Janie Gia-Lin Weng Grumley practices in Santa Monica, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1063616142.

How much does Medicare pay Janie Gia-Lin Weng Grumley?

Janie Gia-Lin Weng Grumley (NPI 1063616142) received approximately $112K in total Medicare Part B payments, serving 266 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1063616142

Janie Gia-Lin Weng GrumleyMD

PRACTICEJSU MEDICAL, PCSee all providers at this practice →

General SurgerySanta Monica, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

573

Unique beneficiaries

—

Total services

656

Distinct HCPCS

Medicare payment

$101K

Peer benchmark

Total Medicare services vs. 1,763 General Surgery providers in CA — top quintile (cohort median 269).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

90.4

Quality

96.1

Cost

72.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.65%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$1K

Payment records

By payment type

Food and Beverage$1K

Top paying entities

Food and Beverage$1K

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 050290

Hospital

REFERRAL NETWORK

Where Janie Gia-Lin Weng Grumley'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). 0 inbound referrers · 5 outbound destinations.

Receives referrals from

Inbound — who sends patients here

No inbound pairs above the suppression threshold.

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
VIRGINIA MASON MEDICAL CENTER	56	473
NPI 1659406130	17	68
Nanette Robinson Hematology-Oncology · Seattle, WA	16	106
Timothy Jacobs Pathology · Seattle, WA	15	58
Paul Sicuro Diagnostic Radiology · Seattle, WA	11	34

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