PROVIDER PROFILE · NPI 1639496953

Joseph ChenM.D.

PRACTICEPAUL J DOUGHERTY M D INCSee all providers at this practice →

OphthalmologyWestlake Village, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,669

Unique beneficiaries

—

Total services

3,540

Distinct HCPCS

Medicare payment

$301K

Peer benchmark

Total Medicare services vs. 2,144 Ophthalmology providers in CA — above median (cohort median 1,859).

PRESCRIBING · PART D · 2024

Total Rx claims

3,567

Beneficiaries

—

Total drug cost

$511K

Distinct drugs

Brand share

39.4%

Top prescribed drugs

Latanoprost676 claims

Dorzolamide Hcl/Timolol Maleat397 claims

Prednisolone Acetate359 claims

Timolol Maleate331 claims

Brimonidine Tartrate224 claims

QUALITY · MIPS · 2024

Final MIPS score

75.0

Quality

0.0

Cost

73.0

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

0.00%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$2K

Payment records

By payment type

Food and Beverage$2K

Entertainment$17

REFERRAL NETWORK

Where Joseph Chen'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). 8 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	96	240
COMMUNITY MEMORIAL HEALTH SYSTEM	93	273
DIGNITY HEALTH	21	32
FRAMBACH, DONALD	17	39
John Fang Ophthalmology · Ventura, CA	15	23
DIGNITY HEALTH	13	27
MALOON, STEPHEN	12	74
Pacific Diagnostic Laboratories Clinical Laboratory · Santa Barbara, CA	12	56

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