Doctor profile · Federal record

Dr. Hayden Maag, DO

Emergency Medicine Physician (CMS: Emergency Medicine) · Las Vegas, NV

  • NPI 1336643196
  • Accepts Medicare
  • MIPS 78.5 / 100 · 2023
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3100 N. Tenaya Way
Las Vegas, NV 891280431
(262) 751-6857
Mailing address
3100 N. Tenaya Way, Graduate Medical Education
Las Vegas, NV 892180431

Credentials & registration

NPPES · NUCC
NPI registered
March 2018 — 8 yrs on file
Profile last updated
November 16, 2021
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Nevada #DO2808

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336643196. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
703
Distinct HCPCS
5
Medicare allowed
$120,424
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 444 431 $175
99291 Critical care, first 30-74 minutes 142 139 $211
99284 Emergency department visit with moderate level of medical decision making 88 87 $120
99283 Emergency department visit with low level of medical decision making 18 18 $69
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older) 11 11 $83

In context: peer comparison

Among 104 peers in this city , average services per provider: 548. This provider delivers 1.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
110
Patients
109
Total drug cost
$248
Drug Type Claims Patients Total cost
Meloxicam Generic 74 74 $92
Ondansetron Hcl Generic 20 20 $66
Cephalexin Generic 16 15 $90

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Hayden Maag's medical specialty?
Dr. Hayden Maag practices Emergency Medicine Physician in Las Vegas, NV.
Where does Dr. Hayden Maag practice?
Dr. Hayden Maag practices at 3100 N. Tenaya Way, Las Vegas, NV 891280431. Office phone: 2627516857.
What is Dr. Hayden Maag's NPI?
Dr. Hayden Maag's National Provider Identifier (NPI) is 1336643196, issued by NPPES.
Does Dr. Hayden Maag accept Medicare assignment?
Yes. Dr. Hayden Maag accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hayden Maag commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Critical care (HCPCS 99291); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.