What is Ellyn Ashida's specialty?

Ellyn Ashida (NPI 1245201516) is a Medicare-billing provider whose primary specialty is Allergy/ Immunology in Torrance, CA.

Where does Ellyn Ashida practice?

Ellyn Ashida practices in Torrance, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1245201516.

How much does Medicare pay Ellyn Ashida?

Ellyn Ashida (NPI 1245201516) received approximately $497K in total Medicare Part B payments, serving 170 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1245201516

Ellyn AshidaMD

PRACTICEELLYN R. ASHIDA, M.D., INC.See all providers at this practice →

Allergy/ ImmunologyTorrance, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

534

Unique beneficiaries

—

Total services

7,824

Distinct HCPCS

Medicare payment

$100K

Peer benchmark

Total Medicare services vs. 329 Allergy/ Immunology providers in CA — top quintile (cohort median 4,377).

PRESCRIBING · PART D · 2024

Total Rx claims

751

Beneficiaries

—

Total drug cost

$703K

Distinct drugs

Brand share

40.1%

Top prescribed drugs

Montelukast Sodium97 claims

Fluticasone Propionate75 claims

Azelastine Hcl74 claims

Albuterol Sulfate63 claims

Omalizumab49 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$522

Payment records

By payment type

Food and Beverage$467

Education$55

Top paying entities

Food and Beverage$467

Education$55

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 050351

Hospital

REFERRAL NETWORK

Where Ellyn Ashida'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). 5 inbound referrers · 9 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
TORRANCE MEMORIAL MEDICAL CENTER	75	524
Unilab Corporation Clinical Laboratory · West Hills, CA	47	333
PATHOLOGY, INC.	19	51
Michael Stein Diagnostic Radiology · Torrance, CA	14	32
PROVIDENCE HEALTH SYSTEM - SOUTHERN CALIFORNIA	13	65

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
TORRANCE MEMORIAL MEDICAL CENTER	68	596
Unilab Corporation Clinical Laboratory · West Hills, CA	54	400
PROVIDENCE HEALTH SYSTEM SOUTHERN CALIFORNIA	48	254
Laboratory Corporation Of America Clinical Laboratory · San Diego, CA	48	290
Takako Iwasaki Dermatology · Torrance, CA	17	155
PATHOLOGY, INC.	16	53
Jean Katow Ophthalmology · Los Angeles, CA	16	81
Michael Stein Diagnostic Radiology · Torrance, CA	15	49
PROVIDENCE HEALTH SYSTEM - SOUTHERN CALIFORNIA	14	78

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