What is David Diaz's specialty?

David Diaz (NPI 1548474018) is a Medicare-billing provider whose primary specialty is Ophthalmology in Burlington, VT.

Where does David Diaz practice?

David Diaz practices in Burlington, VT, based on the location reported in the CMS Medicare provider datasets for NPI 1548474018.

How much does Medicare pay David Diaz?

David Diaz (NPI 1548474018) received approximately $154K in total Medicare Part B payments, serving 748 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1548474018

David DiazMD

PRACTICEFLETCHER ALLEN HEALTH CARE INCSee all providers at this practice →

OphthalmologyBurlington, VTI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,302

Unique beneficiaries

—

Total services

2,752

Distinct HCPCS

Medicare payment

$132K

Peer benchmark

Total Medicare services vs. 31 Ophthalmology providers in VT — above median (cohort median 2,368).

PRESCRIBING · PART D · 2024

Total Rx claims

6,886

Beneficiaries

—

Total drug cost

$656K

Distinct drugs

Brand share

35.2%

Top prescribed drugs

Latanoprost1,594 claims

Dorzolamide Hcl/Timolol Maleat1,237 claims

Timolol Maleate815 claims

Brimonidine Tartrate785 claims

Netarsudil Mesylate307 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where David Diaz'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). 8 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
CENTRAL VERMONT MEDICAL CENTER INC	35	100
Robert Millay Ophthalmology · Burlington, VT	34	199
GOODHEALTH P.C.	27	101
Stephen Pecsenyicki Ophthalmology · Burlington, VT	20	87
AITKEN, PHIL	16	78
Eugene Moore Internal Medicine · Burlington, VT	12	93
COMMUNITY HEALTH CENTERS OF BURLINGTON INC	11	58
PRIMARY CARE HEALTH PARTNERS - VERMONT LLP	11	52

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