What is Tai-Hung Mak's specialty?

Tai-Hung Mak (NPI 1679599450) is a Medicare-billing provider whose primary specialty is Ophthalmology in Ashtabula, OH.

Where does Tai-Hung Mak practice?

Tai-Hung Mak practices in Ashtabula, OH, based on the location reported in the CMS Medicare provider datasets for NPI 1679599450.

How much does Medicare pay Tai-Hung Mak?

Medicare Part B utilization, prescribing (Part D), MIPS quality scores, and industry payments for Tai-Hung Mak (NPI 1679599450) are detailed on this CareTrace profile.

PROVIDER PROFILE · NPI 1679599450

Tai-Hung Mak

OphthalmologyAshtabula, OHI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

264

Beneficiaries

—

Total drug cost

$4K

Distinct drugs

Brand share

4.5%

Top prescribed drugs

Latanoprost207 claims

Brimonidine Tartrate33 claims

Dorzolamide Hcl/Timolol Maleat12 claims

Pilocarpine Hcl12 claims

QUALITY · MIPS · 2024

Final MIPS score

83.5

Quality

81.2

Cost

78.2

Improvement activities

40.0

Promoting interop.

83.0

Payment adjustment

0.36%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Tai-Hung Mak'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). 22 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ASHTABULA COUNTY MEDICAL CENTER	264	822
UNIVERSITY HOSPITALS GENEVA MEDICAL CENTER	46	84
CHAGRIN SURGERY CENTER, LLC	38	57
Edward Wiese Internal Medicine · Ashtabula, OH	37	156
Thomas Jones Diagnostic Radiology · Perrysburg, OH	34	48
Michelle Hagan Physician Assistant · Solon, OH	32	50
Bhupendra Patel Diagnostic Radiology · Cleveland, OH	31	40
James Chillcott Family Practice · N Kingsville, OH	31	108
DSILVA, ORLANDO	20	44
Kimberly Fitzpatrick Certified Registered Nurse Anesthetist (CRNA) · Ashtabula, OH	20	30
CHAPEK, CLAUDIA	18	23
UNIVERSITY HOSPITALS CLEVELAND MEDICAL CENTER	17	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