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MARIA ZARINA DIAO NP
NPI 1861732976
Nurse Practitioner - Family in Henderson, NV

Active since February 26, 2013PECOS EnrolledAccepts Medicare Assignment
38 S WATER ST STE 310, HENDERSON, NV 89015(702) 240-6482 Get Directions Write a Review

NPPES record last updated: August 18, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Maria Zarina Diao Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARIA ZARINA DIAO NP (NPI 1861732976) is an individual family provider in Henderson, Nevada, licensed in Nevada (APN001476) and active in the NPI registry since February 2013. She is enrolled in Medicare PECOS, is affiliated with Sunrise Hospital And Medical Center, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1861732976
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMARIA ZARINA DIAOCredential: NP
Location Address38 S WATER ST STE 310Henderson, NV 89015-7493
Mailing Address801 S Rancho Dr Ste E6Las Vegas, NV 89106-3812 · (702) 240-6482
Phone(702) 240-6482
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateFebruary 26, 2013
Last NPPES UpdateAugust 18, 2023
NPPES CertifiedAugust 18, 2023
✔ NPI 1861732976 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in NV · APN001476
Also ListedNurse PractitionerTaxonomy 363L00000X · License APN001476 (NV)
38 S WATER ST STE 310, Henderson, NV 89015
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Maria Zarina Diao Np is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6002051497
PECOS Enrollment IDI20130410000225
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

10

Medicare enrollment records show Maria Zarina Diao reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Munawar A Qurashi MD LLC
5.1 mi
Physical Medicine & Rehabilitation
2041 TROON DR
Henderson, NV 89074
  • Reassigned Medicare billing, Nevada enrollment
  • Medicare enrollment name: Munawar Qurashi MD LLC
  • 11 clinicians in this Medicare group
NPI 1982758769 (702) 289-9042
Platinum Hospitalists LLP
6.3 mi
Internal Medicine
2510 WIGWAM PKWY STE 202
Henderson, NV 89074
  • Reassigned Medicare billing, Nevada enrollment
  • 319 clinicians in this Medicare group
NPI 1437948726 (725) 205-1249
Southern Nevada Care Center
11 mi
Clinic/Center
1330 KAREN AVE UNIT B
Las Vegas, NV 89169
  • Reassigned Medicare billing, Nevada enrollment
  • 7 clinicians in this Medicare group
NPI 1801485131 (702) 239-9235
Nevada Health Alliance Inc
14 mi
General Practice
601 S RANCHO DR STE D34
Las Vegas, NV 89106
  • Reassigned Medicare billing, Nevada enrollment
  • 9 clinicians in this Medicare group
NPI 1053963256 (725) 207-8109
Behavioral Health Institute Inc (singh) PC
15 mi
Addiction Medicine
601 S RANCHO DR STE D34
Las Vegas, NV 89106
  • Reassigned Medicare billing, Nevada enrollment
  • 32 clinicians in this Medicare group
NPI 1205005980 (702) 852-6633
Diao Np PLLC
17 mi
Psychiatric/Mental Health
8972 FRASURE FALLS AVE
Las Vegas, NV 89178
  • Reassigned Medicare billing, Nevada enrollment
  • 2 clinicians in this Medicare group
NPI 1780205823 (702) 768-1109
Dr. Shiranee Jayasooriya Inc
18 mi
Physical Medicine & Rehabilitation
8224 W CHARLESTON BLVD, SUITE 2
Las Vegas, NV 89117
  • Reassigned Medicare billing, Nevada enrollment
  • 2 clinicians in this Medicare group
NPI 1225067408 (702) 869-6070
Nevada Heart And Vascular Center Resh LLP
18 mi
Cardiovascular Disease
401 N BUFFALO DR STE 100
Las Vegas, NV 89145
  • Reassigned Medicare billing, Nevada enrollment
  • 53 clinicians in this Medicare group
NPI 1659387934 (702) 240-6482
Prasad-Leela LLC
20 mi
Internal Medicine
3416 N BUFFALO DR
Las Vegas, NV 89129
  • Reassigned Medicare billing, Nevada enrollment
  • 4 clinicians in this Medicare group
NPI 1629187885 (702) 341-6699
Geriatric Medical Associates Of Nevada LLC
20 mi
Geriatric Medicine
9811 W CHARLESTON BLVD, SUITE# 2-304
Las Vegas, NV 89117
  • Reassigned Medicare billing, Nevada enrollment
  • 3 clinicians in this Medicare group
NPI 1235395484 (702) 464-7855

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
402 services59 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
312 services48 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
260 services66 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
180 services141 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
126 services82 patients
Nursing facility discharge management, more than 30 minutes 99316
Nursing facility discharge management over 30 minutes is a comprehensive process where a healthcare team prepares you for leaving the facility. It involves creating a tailored plan, coordinating care, and ensuring a smooth transition to your next care setting.
25 services25 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Sunrise Hospital And Medical Center

Acute Care Hospitals · Las Vegas, NV
1/5 CMS rating
OwnershipProprietary
CMS Certification Number290003
Location3186 S Maryland PkwyLas Vegas, NV 89109 · Clark County
Emergency services

University Medical Center

Acute Care Hospitals · Las Vegas, NV
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number290007
Location1800 W Charleston BlvdLas Vegas, NV 89102 · Clark County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 89015 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$88.51 typical visit price
range $57.07 – $173.24
Typical copayment $22.12 (range $14.26 – $43.31)
Most-billed visit code 99203
Established Patient
$100.60 typical visit price
range $18.27 – $140.96
Typical copayment $25.15 (range $4.56 – $35.24)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 7

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, without mattress E0261
DME-Hospital Beds · category DB000N
1 supplier11 claims11 services$40.52 avg. paid by Medicare
Patient lift, electric with seat or sling E0635
DME-Other DME · category DE000N
1 supplier11 claims11 services$82.70 avg. paid by Medicare
Wheelchair accessory, headrest, cushioned, any type, including fixed mounting hardware, each E0955
DME-Wheelchairs · category DD021N
1 supplier11 claims11 services$8.09 avg. paid by Medicare
Transport chair, adult size, patient weight capacity up to and including 300 pounds E1038
DME-Other DME · category DE000N
1 supplier12 claims12 services$6.49 avg. paid by Medicare
Standard wheelchair K0001
DME-Wheelchairs · category DD000N
3 suppliers51 claims51 services$11.85 avg. paid by Medicare
Standard hemi (low seat) wheelchair K0002
DME-Wheelchairs · category DD000N
1 supplier11 claims11 services$27.51 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MIKAELA ANGELA BADORIA CANDOLESAS APRN-NP
Nurse Practitioner (Family)
38 S WATER ST STE 310
HENDERSON, NV 89015
Clark County (702) 240-6482

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Maria Zarina Diao's NPI number?

The NPI number for Maria Zarina Diao is 1861732976. It was assigned to this individual provider in the NPPES registry on February 26, 2013.

Where is Maria Zarina Diao located?

Maria Zarina Diao practices at 38 S Water St Ste 310, Henderson, NV 89015. The listed phone number is (702) 240-6482.

What is Maria Zarina Diao's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Maria Zarina Diao enrolled in Medicare?

Yes. Maria Zarina Diao is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Maria Zarina Diao's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maria Zarina Diao reassigns Medicare benefits to 10 organizations: Munawar A Qurashi MD LLC (Henderson, NV), Platinum Hospitalists LLP (Henderson, NV), Southern Nevada Care Center (Las Vegas, NV), Nevada Health Alliance Inc (Las Vegas, NV), Behavioral Health Institute Inc (singh) PC (Las Vegas, NV) and 5 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Maria Zarina Diao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Maria Zarina Diao accept?

Health plans from Ambetter Health and Ambetter from Arizona Complete Health list Maria Zarina Diao as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Maria Zarina Diao affiliated with any hospitals?

According to CMS data, Maria Zarina Diao is affiliated with Sunrise Hospital And Medical Center and University Medical Center.

When was this NPI record last updated?

The NPPES record for Maria Zarina Diao was last updated on August 18, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.