What is William Tang's specialty?

William Tang (NPI 1972540177) is a Medicare-billing provider whose primary specialty is Ophthalmology in Natick, MA.

Where does William Tang practice?

William Tang practices in Natick, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1972540177.

How much does Medicare pay William Tang?

William Tang (NPI 1972540177) received approximately $2.4M in total Medicare Part B payments, serving 1,148 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1972540177

William TangM.D.

OphthalmologyNatick, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,679

Unique beneficiaries

—

Total services

26,980

Distinct HCPCS

Medicare payment

$2.3M

Peer benchmark

Total Medicare services vs. 558 Ophthalmology providers in MA — top quintile (cohort median 1,976).

PRESCRIBING · PART D · 2024

Total Rx claims

1,134

Beneficiaries

—

Total drug cost

$58K

Distinct drugs

Brand share

13.8%

Top prescribed drugs

Latanoprost313 claims

Brimonidine Tartrate135 claims

Timolol Maleate128 claims

Prednisolone Acetate107 claims

Dorzolamide Hcl/Timolol Maleat73 claims

QUALITY · MIPS · 2024

Final MIPS score

97.3

Quality

94.6

Cost

0.0

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.94%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$47

Payment records

By payment type

Food and Beverage$29

Education$17

Top paying entities

Food and Beverage$29

Education$17

REFERRAL NETWORK

Where William Tang'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). 5 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	51	109
MILFORD REGIONAL MEDICAL CENTER INC	47	146
BETH ISRAEL DEACONESS HOSPITAL-NEEDHAM, INC.	25	54
Stephan Hatch Anesthesiology · New London, CT	11	27
Arti Ori Anesthesiology · Boston, MA	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