What is Ellen Gim's specialty?

Ellen Gim (NPI 1861596223) is a Medicare-billing provider whose primary specialty is Internal Medicine in Fountain Valley, CA.

Where does Ellen Gim practice?

Ellen Gim practices in Fountain Valley, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1861596223.

How much does Medicare pay Ellen Gim?

Ellen Gim (NPI 1861596223) received approximately $73K in total Medicare Part B payments, serving 239 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1861596223

Ellen GimMD

PRACTICEMEMORIALCARE MEDICAL FOUNDATIONSee all providers at this practice →

Internal MedicineFountain Valley, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

496

Unique beneficiaries

—

Total services

735

Distinct HCPCS

Medicare payment

$71K

Peer benchmark

Total Medicare services vs. 10,499 Internal Medicine providers in CA — above median (cohort median 531).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$224

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Pantoprazole Sodium16 claims

Metoprolol Tartrate11 claims

QUALITY · MIPS · 2024

Final MIPS score

87.2

Quality

81.2

Cost

71.6

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.51%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Ellen Gim'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). 22 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SADDLEBACK MEMORIAL MEDICAL CENTER	197	810
Ali Ghazvini Internal Medicine · Laguna Hills, CA	65	464
Elliott Fankuchen Diagnostic Radiology · Laguna Beach, CA	59	293
HERREN ENTERPRISES INC	59	256
SUTHERLAND, JAMES	46	176
Richard Wasley Diagnostic Radiology · Laguna Beach, CA	36	180
Michael Wang Diagnostic Radiology · Anaheim, CA	31	111
Fady Kadifa Pulmonary Disease · Laguna Hills, CA	29	135
SZYMANOWSKI, JEREMY	27	147
Ronald Gim Cardiology · Laguna Hills, CA	19	75
Thomas Vovan Pulmonary Disease · Laguna Hills, CA	18	146
Randall Chong Emergency Medicine · Laguna Hills, CA	16	63

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