Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum Organization subpart

99th Medical Group - Mike O'Callaghan Federal Hospital

Military Hospital in Nellis Afb, NV · enumerated 2006 · authorized official Jen Lewandowski, Dha Ubo.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1154393759

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Registry record

Entity type Organization (Type 2)

Legal business name 99th Medical Group - Mike O'Callaghan Federal Hospital

Other name <Unavail>

Parent organization 99th Medgrp-Nellis

Practice address 4700 Las Vegas Blvd N, Nellis Afb, NV, 89191

Phone (702) 653-2273

Enumeration date Feb 7, 2006

Last updated in NPPES Jun 24, 2025

Taxonomy & classification

261QM1100X Military/U.S. Coast Guard Outpatient Clinic/Center Ambulatory Health Care Facilities Secondary

261QM1101X Military and U.S. Coast Guard Ambulatory Procedure Clinic/Center Ambulatory Health Care Facilities Secondary

286500000X Military Hospital Hospitals Primary

332000000X Military/U.S. Coast Guard Pharmacy Suppliers Secondary

Authorized official

Name Jen Lewandowski

Title Dha Ubo

Phone (703) 817-4030

Other identifiers

Identifier	Type	State	Issuer
2975742	Other	NV	NCPDP

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

Who is the authorized official for 99th Medical Group - Mike O'Callaghan Federal Hospital?

NPPES lists Jen Lewandowski (Dha Ubo) as the authorized official for this organization.

What is the NPI number for 99th Medical Group - Mike O'Callaghan Federal Hospital?

The NPI for 99th Medical Group - Mike O'Callaghan Federal Hospital is 1154393759, a Type 2 (organization) record in the CMS NPPES registry.

Providers at this address

Browse all →

Frank Andriola Internal Medicine Physician · Nellis Afb, NV NPI 1366445389 James Zinser Family Medicine Physician · Nellis Afb, NV NPI 1922001056 Carla Fisher Medical Physician Assistant · Nellis Afb, NV NPI 1396749081 Guy Gober Urology Physician · Nellis Afb, NV NPI 1982602660 Benjamin Clarke Dentist · Nellis Afb, NV NPI 1679565402 Wilbert Cain Family Medicine Physician · Las Vegas, NV NPI 1134111610 Patrick Hsieh Emergency Medicine Physician · Nellis Afb, NV NPI 1962495481 Scott Hartwich Aerospace Medicine Physician · Nellis Afb, NV NPI 1972597748

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-06-24.