What is Ryan Joo's specialty?

Ryan Joo (NPI 1639301922) is a Medicare-billing provider whose primary specialty is Infectious Disease in Pasadena, CA.

Where does Ryan Joo practice?

Ryan Joo practices in Pasadena, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1639301922.

How much does Medicare pay Ryan Joo?

Ryan Joo (NPI 1639301922) received approximately $138K in total Medicare Part B payments, serving 314 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1639301922

Ryan JooM.D.

PRACTICEELISA CHANG MD INCSee all providers at this practice →

Infectious DiseasePasadena, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

634

Unique beneficiaries

—

Total services

1,551

Distinct HCPCS

Medicare payment

$135K

Peer benchmark

Total Medicare services vs. 583 Infectious Disease providers in CA — top quintile (cohort median 564).

PRESCRIBING · PART D · 2024

Total Rx claims

479

Beneficiaries

—

Total drug cost

$388K

Distinct drugs

Brand share

35.3%

Top prescribed drugs

Ciprofloxacin Hcl57 claims

Bictegrav/Emtricit/Tenofov Ala41 claims

Cephalexin35 claims

Vancomycin Hcl32 claims

Ertapenem Sodium32 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$515

Payment records

By payment type

Food and Beverage$515

Top paying entities

Food and Beverage$515

REFERRAL NETWORK

Where Ryan Joo'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). 28 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
UNIVERSAL HEALTH SERVICES OF RANCHO SPRINGS INC	51	242
Unilab Corporation Clinical Laboratory · West Hills, CA	45	719
Alvin Hensel Diagnostic Radiology · Hemet, CA	40	287
Thuan Le Infectious Disease · Murrieta, CA	38	206
KPC GLOBAL MEDICAL CENTERS, INC.	37	122
Hemet Valley Ambulance Service Inc Ambulance Service Provider · Hemet, CA	36	112
James Stapakis Diagnostic Radiology · Wildomar, CA	35	254
Jason Beck Diagnostic Radiology · Temecula, CA	33	159
Douglas Green Diagnostic Radiology · Temecula, CA	31	138
David Lawson Diagnostic Radiology · Wildomar, CA	28	158
David Scafidi Diagnostic Radiology · Wildomar, CA	27	185
Young Lee Pulmonary Disease · Corona, CA	20	236

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