What is Joanna Chan's specialty?

Joanna Chan (NPI 1588714430) is a Medicare-billing provider whose primary specialty is Dermatology in Long Beach, CA.

Where does Joanna Chan practice?

Joanna Chan practices in Long Beach, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1588714430.

How much does Medicare pay Joanna Chan?

Joanna Chan (NPI 1588714430) received approximately $4.7M in total Medicare Part B payments, serving 599 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1588714430

Joanna ChanM.D.

DermatologyLong Beach, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,843

Unique beneficiaries

—

Total services

8,172

Distinct HCPCS

Medicare payment

$4.6M

Peer benchmark

Total Medicare services vs. 1,546 Dermatology providers in CA — top quintile (cohort median 2,504).

PRESCRIBING · PART D · 2024

Total Rx claims

851

Beneficiaries

—

Total drug cost

$15K

Distinct drugs

Brand share

9.6%

Top prescribed drugs

Cephalexin359 claims

Mupirocin147 claims

Doxycycline Hyclate110 claims

Hydrocodone/Acetaminophen46 claims

Lorazepam28 claims

QUALITY · MIPS · 2024

Final MIPS score

96.3

Quality

93.3

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.90%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$2K

Payment records

By payment type

Food and Beverage$2K

Education$72

Top paying entities

Food and Beverage$2K

Education$72

REFERRAL NETWORK

Where Joanna Chan'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). 4 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
TAO, YONG	105	249
Edward Glassberg Dermatology · Long Beach, CA	23	46
PATHOLOGY, INC.	21	62
Unilab Corporation Clinical Laboratory · West Hills, CA	16	31

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