Doctor profile · Federal record

Dr. Maria Zarina Diao, NP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Nurse Practitioner · Henderson, NV

  • NPI 1861732976
  • Accepts Medicare
  • 14 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
38 S Water St Ste 310
Henderson, NV 890157493
(702) 240-6482
Mailing address
801 S Rancho Dr Ste E6
Las Vegas, NV 891063812

Credentials & registration

NPPES · NUCC
NPI registered
February 2013 — 13 yrs on file
Profile last updated
August 18, 2023
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Nevada #APN001476

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861732976. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,072
Distinct HCPCS
7
Medicare allowed
$90,277
HCPCS Description Services Patients Avg allowed
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 384 52 $63
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 224 42 $66
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 205 57 $90
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 138 110 $141
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 47 35 $96
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 43 33 $129
99316 Nursing facility discharge management, more than 30 minutes 31 29 $110

In context: peer comparison

Among 38 peers in this city , average services per provider: 266. This provider delivers 4.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
119
Patients
0
Total drug cost
$9,683
Drug Type Claims Patients Total cost
Memantine Hcl Generic 26 0 $1,673
Gemtesa (Vibegron) Brand 22 0 $4,934
Lyumjev Kwikpen U-100 (Insulin Lispro-Aabc) Brand 18 0 $2,422
Donepezil Hcl Generic 15 0 $209
Potassium Chloride Generic 14 0 $139
Amlodipine Besylate Generic 13 0 $151
Losartan Potassium Generic 11 0 $154

Frequently asked questions

Auto-generated from federal data
What is Dr. Maria Zarina Diao's medical specialty?
Dr. Maria Zarina Diao practices Family Nurse Practitioner in Henderson, NV.
Where does Dr. Maria Zarina Diao practice?
Dr. Maria Zarina Diao practices at 38 S Water St Ste 310, Henderson, NV 890157493. Office phone: 7022406482.
What is Dr. Maria Zarina Diao's NPI?
Dr. Maria Zarina Diao's National Provider Identifier (NPI) is 1861732976, issued by NPPES.
Does Dr. Maria Zarina Diao accept Medicare assignment?
Yes. Dr. Maria Zarina Diao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Zarina Diao commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309). Source: CMS Medicare Physician & Other Practitioners file.