What is Ellen Koo's specialty?

Ellen Koo (NPI 1528220878) is a Medicare-billing provider whose primary specialty is Ophthalmology in Palm Beach Gardens, FL.

Where does Ellen Koo practice?

Ellen Koo practices in Palm Beach Gardens, FL, based on the location reported in the CMS Medicare provider datasets for NPI 1528220878.

How much does Medicare pay Ellen Koo?

Ellen Koo (NPI 1528220878) received approximately $419K in total Medicare Part B payments, serving 875 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1528220878

Ellen KooMD

PRACTICESCOTT A. GARTNER, OD, PASee all providers at this practice →

OphthalmologyPalm Beach Gardens, FLI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,967

Unique beneficiaries

—

Total services

2,402

Distinct HCPCS

Medicare payment

$384K

Peer benchmark

Total Medicare services vs. 1,263 Ophthalmology providers in FL — below median (cohort median 2,598).

PRESCRIBING · PART D · 2024

Total Rx claims

2,561

Beneficiaries

—

Total drug cost

$193K

Distinct drugs

Brand share

36.2%

Top prescribed drugs

Prednisolone Acetate743 claims

Polymyxin B Sulf/Trimethoprim513 claims

Ketorolac Tromethamine329 claims

Valacyclovir Hcl141 claims

Fluorometholone140 claims

QUALITY · MIPS · 2024

Final MIPS score

87.9

Quality

78.8

Cost

71.4

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.54%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$11K

Payment records

By payment type

Consulting Fee$9K

Travel and Lodging$2K

Food and Beverage$566

Top paying entities

Consulting Fee$9K

Travel and Lodging$2K

Food and Beverage$566

REFERRAL NETWORK

Where Ellen Koo'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). 11 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
University Of Miami Ambulatory Surgical Center · Palm Beach Gardens, FL	186	475
Ady Bermudez-Besharat Anesthesiology · Miami, FL	105	193
Jennifer Lindley Certified Registered Nurse Anesthetist (CRNA) · Sunrise, FL	94	253
Laboratory Corporation Of America Clinical Laboratory · Tampa, FL	43	87
HILL, MICHELLE	28	45
Jorge Fortun Ophthalmology · Palm Beach Gardens, FL	28	108
MARTIN MEMORIAL MEDICAL CENTER INC	23	66
John Fileta Ophthalmology · Lancaster, PA	22	31
LAI, MADELINE	19	30
JUPITER MEDICAL CENTER, INC.	19	47
Philip Rosenfeld Ophthalmology · Miami, FL	15	54

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