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LAYTH MAHDI MD
NPI 1609457829
Emergency Medicine in Phoenix, AZ

Active since April 19, 2021PECOS EnrolledAccepts Medicare Assignment
1111 E MCDOWELL RD, PHOENIX, AZ 85006(602) 839-2000 Get Directions Write a Review

NPPES record last updated: August 12, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 12, 2024, Apr 19, 2021 (2 updates tracked since 2021).

About Layth Mahdi Md NPPES

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

LAYTH MAHDI MD (NPI 1609457829) is an individual emergency medicine provider in Phoenix, Arizona, licensed in Arizona (72550) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1609457829
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameLAYTH MAHDICredential: MD
Location Address1111 E MCDOWELL RDPhoenix, AZ 85006-2612
Mailing Address10447 E Salt Bush DrScottsdale, AZ 85255-1948 · (520) 205-1513
Phone(602) 839-2000
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateApril 19, 2021
Last NPPES UpdateAugust 12, 20242 updates tracked since enumeration
NPPES CertifiedAugust 12, 2024
✔ NPI 1609457829 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in AZ · 72550
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
1111 E MCDOWELL RD, Phoenix, AZ 85006
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Antidote Health Plan of Arizona, Inc., Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc and more.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

Layth Mahdi Md 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 ID5294270955
PECOS Enrollment IDI20240717003420
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

2

Medicare enrollment records show Layth Mahdi reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency Professional Services PC
0.1 mi
Emergency Medicine
1111 E MCDOWELL RD
Phoenix, AZ 85006
  • Reassigned Medicare billing, Arizona enrollment
  • 199 clinicians in this Medicare group
NPI 1518984210 (954) 939-5000
District Medical Group, Inc
1.8 mi
Pulmonary Disease
2525 E ROOSEVELT ST, MED CLINIC - PULMONARY
Phoenix, AZ 85008
  • Reassigned Medicare billing, Arizona enrollment
  • 1,490 clinicians in this Medicare group
NPI 1700119815 (602) 344-1095

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 2

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
36 services36 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85006 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
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
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.

Other Providers at the Same Location NPPES 20

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

DR. CARRIE LYNN COOK D.O.
Emergency Medicine
1111 E MCDOWELL RD
PHOENIX, AZ 85006
Maricopa County (480) 500-2540
DANA ARCHBOLD MD
Internal Medicine
1111 E MCDOWELL RD
PHOENIX, AZ 85006
Maricopa County (602) 839-2296
ROBIN LAURIE MCFARLANE MD
Psychiatry & Neurology (Neurology)
1111 E MCDOWELL RD
PHOENIX, AZ 85006
Maricopa County (602) 839-2266
ERICA KRIS MD
Emergency Medicine
1111 E MCDOWELL RD
PHOENIX, AZ 85006
Maricopa County (602) 839-2000
MS. MEREDITH ELIZABETH GATES PA
Physician Assistant (Medical)
1111 E MCDOWELL RD
PHOENIX, AZ 85006
Maricopa County (602) 839-2000
ALEXANDRA LEIGH KLEBER ARNP
Nurse Practitioner (Acute Care)
1111 E MCDOWELL RD
PHOENIX, AZ 85006
Maricopa County (812) 525-4607
RACHEL SCHWARZ PA
Physician Assistant
1111 E MCDOWELL RD
PHOENIX, AZ 85006
Maricopa County (602) 839-6968
CRAIG ALAN WESTLEY
Pharmacist
1111 E MCDOWELL RD, BANNER GOOD SAMARITAN MEDICAL CENTER PHARMACY
PHOENIX, AZ 85006
Maricopa County (602) 839-4556

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 Layth Mahdi's NPI number?

The NPI number for Layth Mahdi is 1609457829. It was assigned to this individual provider in the NPPES registry on April 19, 2021.

Where is Layth Mahdi located?

Layth Mahdi practices at 1111 E Mcdowell Rd, Phoenix, AZ 85006. The listed phone number is (602) 839-2000.

What is Layth Mahdi's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Layth Mahdi enrolled in Medicare?

Yes. Layth Mahdi 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 Layth Mahdi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Layth Mahdi reassigns Medicare benefits to 2 organizations: Emergency Professional Services PC (Phoenix, AZ) and District Medical Group, Inc (Phoenix, AZ). 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 Layth Mahdi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Layth Mahdi accept?

Health plans from Antidote Health Plan of Arizona, Inc., Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc, Imperial Insurance Companies, Inc. and Oscar Health Plan, Inc. list Layth Mahdi 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.

When was this NPI record last updated?

The NPPES record for Layth Mahdi was last updated on August 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.