PROVIDER PROFILE · NPI 1972820033

Dana ChanMD

PRACTICEGM SALLY MELLGREN, M.D. INC.See all providers at this practice →

OphthalmologyOceanside, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,844

Unique beneficiaries

—

Total services

3,612

Distinct HCPCS

Medicare payment

$343K

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

1,774

Beneficiaries

—

Total drug cost

$170K

Distinct drugs

Brand share

43.9%

Top prescribed drugs

Latanoprost429 claims

Prednisolone Acetate226 claims

Dorzolamide Hcl/Timolol Maleat200 claims

Polymyxin B Sulf/Trimethoprim154 claims

Timolol Maleate154 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$1K

Payment records

By payment type

Food and Beverage$1K

REFERRAL NETWORK

Where Dana 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). 9 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
CHRISTIANA CARE HEALTH SERVICES, INC.	181	681
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	53	121
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Norristown, PA	40	56
SHERIDAN-WALTHER, MAURA	19	55
Pablo Adler Anesthesiology · Miami, FL	15	48
Tak Liu Anesthesiology · New Castle, DE	12	28
Matthew O'brien Family Practice · Wilmington, DE	12	28
Jamie Wohlhagen Optometry · Wilmington, DE	12	17
Jason Kaplan Ophthalmology · Wilmington, DE	11	24

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