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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

WILLIAM JOSEPH HEIDMAN MD
NPI 1275238016
Emergency Medicine in Las Vegas, NV

Active since April 03, 2023PECOS Enrolled
6655 S CIMARRON RD STE 100, LAS VEGAS, NV 89113(702) 853-3561 Get Directions Write a Review

NPPES record last updated: July 22, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 22, 2026, Mar 24, 2026, Apr 3, 2023 (3 updates tracked since 2023).

About William Joseph Heidman Md NPPES

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

WILLIAM JOSEPH HEIDMAN MD (NPI 1275238016) is an individual emergency medicine provider in Las Vegas, Nevada, licensed in California (A205806) and active in the NPI registry since April 2023. He is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of Tulane University School Of Medicine (2023).

NPPES Registry Identity

NPI1275238016
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameWILLIAM JOSEPH HEIDMANCredential: MD
Location Address6655 S CIMARRON RD STE 100Las Vegas, NV 89113-2181
Mailing Address6655 S Cimarron Rd Ste 100Las Vegas, NV 89113-2181
Phone(702) 853-3561
Sole ProprietorNo
Medical School CMSTulane University School Of MedicineGraduated 2023
Enumeration DateApril 3, 2023
Last NPPES UpdateJuly 22, 20263 updates tracked since enumeration
NPPES CertifiedJuly 22, 2026
✔ NPI 1275238016 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in CA · A205806✔ Licensed in NV · 29448
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.
6655 S CIMARRON RD STE 100, Las Vegas, NV 89113
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Secondary Practice Locations 4

Location 12075 E Flamingo RdLas Vegas, NV 89119-5188 · Phone (702) 733-8000
Location 2657 N Town Center DrLas Vegas, NV 89144-6367 · Phone (702) 233-7000
Location 35400 S Rainbow BlvdLas Vegas, NV 89118-1859 · Phone (702) 853-3000
Location 46900 N Durango DrLas Vegas, NV 89149-4409 · Phone (702) 835-9700

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Joseph Heidman Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8022589753
PECOS Enrollment IDI20260603003952
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 89113 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.

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.

CHANDLER WILLIAMS
Student in an Organized Health Care Education/Training Program
6655 S CIMARRON RD STE 100
LAS VEGAS, NV 89113
Clark County (702) 853-3561
COLIN STANDIFIRD MD
Student in an Organized Health Care Education/Training Program
6655 S CIMARRON RD STE 100
LAS VEGAS, NV 89113
Clark County (702) 853-3561
MUHAMMAD HASSAN AHMAD MD
Student in an Organized Health Care Education/Training Program
6655 S CIMARRON RD STE 100
LAS VEGAS, NV 89113
Clark County (702) 853-3561
ANGEL LI MD
Emergency Medicine
6655 S CIMARRON RD STE 100
LAS VEGAS, NV 89113
Clark County (702) 233-7481
ABBAS MOHAMMADI
Student in an Organized Health Care Education/Training Program
6655 S CIMARRON RD STE 100
LAS VEGAS, NV 89113
Clark County (702) 853-3561
SNE KANJI
Student in an Organized Health Care Education/Training Program
6655 S CIMARRON RD STE 100
LAS VEGAS, NV 89113
Clark County (702) 853-3564
ZANE AHMAD-FIRAS HAMDAN MD
Student in an Organized Health Care Education/Training Program
6655 S CIMARRON RD STE 100
LAS VEGAS, NV 89113
Clark County (702) 853-3561
YAACOV DAVIDOW DO
Student in an Organized Health Care Education/Training Program
6655 S CIMARRON RD STE 100
LAS VEGAS, NV 89113
Clark County (403) 470-2765

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 William Heidman's NPI number?

The NPI number for William Heidman is 1275238016. It was assigned to this individual provider in the NPPES registry on April 3, 2023.

Where is William Heidman located?

William Heidman practices at 6655 S Cimarron Rd Ste 100, Las Vegas, NV 89113. The listed phone number is (702) 853-3561.

What is William Heidman's specialty?

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

Is William Heidman enrolled in Medicare?

Yes. William Heidman is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for William Heidman was last updated on July 22, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.