PROVIDER PROFILE · NPI 1528374246

Tiffany ChanO.D.

PRACTICEGERALD D. CHAN, O.D. & LISA E. MOON, O.D.See all providers at this practice →

OptometryGrass Valley, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,429

Unique beneficiaries

—

Total services

1,653

Distinct HCPCS

Medicare payment

$86K

Peer benchmark

Total Medicare services vs. 2,493 Optometry providers in CA — top quintile (cohort median 147).

PRESCRIBING · PART D · 2024

Total Rx claims

133

Beneficiaries

—

Total drug cost

$18K

Distinct drugs

Brand share

27.8%

Top prescribed drugs

Latanoprost96 claims

Dorzolamide Hcl/Timolol Maleat15 claims

Varenicline Tartrate11 claims

Lifitegrast11 claims

QUALITY · MIPS · 2024

Final MIPS score

0.0

Quality

0.0

Cost

0.0

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

-9.00%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$259

Payment records

By payment type

Food and Beverage$259

REFERRAL NETWORK

Where Tiffany 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
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	27	51
Adrienne Scott Ophthalmology · Baltimore, MD	24	55
Quest Diagnostics Incorporated Md Clinical Laboratory · Baltimore, MD	17	42
Ashley Deemer Optometry · Anaheim, CA	12	14

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