What is Dana Chan's specialty?

Dana Chan (NPI 1972820033) is a Medicare-billing provider whose primary specialty is Ophthalmology in Oceanside, CA.

Where does Dana Chan practice?

Dana Chan practices in Oceanside, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1972820033.

How much does Medicare pay Dana Chan?

Dana Chan (NPI 1972820033) received approximately $346K in total Medicare Part B payments, serving 970 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

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

Top paying entities

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events