What is Maria Zarina Diao's specialty?

Maria Zarina Diao (NPI 1861732976) is a Medicare-billing provider whose primary specialty is Nurse Practitioner in Henderson, NV.

Where does Maria Zarina Diao practice?

Maria Zarina Diao practices in Henderson, NV, based on the location reported in the CMS Medicare provider datasets for NPI 1861732976.

How much does Medicare pay Maria Zarina Diao?

Maria Zarina Diao (NPI 1861732976) received approximately $87K in total Medicare Part B payments, serving 273 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1861732976

Maria Zarina DiaoNP

Nurse PractitionerHenderson, NVI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

439

Unique beneficiaries

—

Total services

1,324

Distinct HCPCS

Medicare payment

$86K

Peer benchmark

Total Medicare services vs. 1,856 Nurse Practitioner providers in NV — top quintile (cohort median 280).

PRESCRIBING · PART D · 2024

Total Rx claims

131

Beneficiaries

—

Total drug cost

$7K

Distinct drugs

Brand share

23.7%

Top prescribed drugs

Vibegron31 claims

Amlodipine Besylate21 claims

Levothyroxine Sodium19 claims

Losartan Potassium19 claims

Atorvastatin Calcium16 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Maria Zarina Diao'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). 18 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Munawar Qurashi Physical Medicine and Rehabilitation · Henderson, NV	122	410
ENCOMPASS HEALTH REHABILITATION HOSPITAL OF HENDERSON, LLC	70	103
Khalid Kamal Physical Medicine and Rehabilitation · Las Vegas, NV	60	108
ENCOMPASS HEALTH REHABILITATION HOSPITAL OF DESERT CANYON, LLC	49	69
Quest Diagnostics Incorporated Clinical Laboratory · Las Vegas, NV	39	82
Mercy Inc Ambulance Service Provider · Las Vegas, NV	25	60
Medicwest Ambulance, Inc. Ambulance Service Provider · North Las Vegas, NV	23	37
SOUTHERN HILLS MEDICAL CENTER, LLC	22	29
Naz Wahab Family Practice · Las Vegas, NV	18	43
City Of Henderson Ambulance Service Provider · Henderson, NV	17	25
Robert Gao Physical Medicine and Rehabilitation · Las Vegas, NV	16	77
Amir Shuja Internal Medicine · Las Vegas, NV	15	44

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