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DR. KARL LORENZO BROWN M.D.
NPI 1649497702
Internal Medicine in Las Vegas, NV

Active since April 19, 2007PECOS Enrolled
4700 LAS VEGAS BLVD N, NELLIS AFB, LAS VEGAS, NV 89191(702) 653-3251 Get Directions Write a Review

NPPES record last updated: August 8, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Karl Lorenzo Brown M.d. NPPES

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

DR. KARL LORENZO BROWN M.D. (NPI 1649497702) is an individual internal medicine provider in Las Vegas, Nevada, licensed in Nevada (12624) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1649497702
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. KARL LORENZO BROWNCredential: M.D.
Location Address4700 LAS VEGAS BLVD N, NELLIS AFBLas Vegas, NV 89191-6600
Mailing Address4700 Las Vegas Blvd N, Nellis AfbLas Vegas, NV 89191-6600 · (702) 653-3251
Phone(702) 653-3251
Sole ProprietorNo
Enumeration DateApril 19, 2007
Last NPPES UpdateAugust 8, 2008
✔ NPI 1649497702 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in NV · 12624✔ Licensed in NE · 23717
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
4700 LAS VEGAS BLVD N, Las Vegas, NV 89191
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Other Identifiers 2

Medicare UPINVAD000NV
Medicare PINV106109NV

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Karl Lorenzo Brown M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Karl Brown reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Molina Care Connections, LLC.
247 mi
Nurse Practitioner
200 OCEANGATE STE 100
Long Beach, CA 90802
  • Reassigned Medicare billing, Idaho enrollment
  • 71 clinicians in this Medicare group
NPI 1407243223 (888) 562-5442
Molina Healthcare Of Utah Inc
348 mi
Family
7050 S UNION PARK AVE STE 200
Midvale, UT 84047
  • Reassigned Medicare billing, Utah enrollment
  • 75 clinicians in this Medicare group
NPI 1619486396 (888) 562-5442

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 89191 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
$131.25 typical visit price
range $57.07 – $173.24
Typical copayment $32.81 (range $14.26 – $43.31)
Most-billed visit code 99204
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.

DR. DEBRA A KOENIGSBERGER MD
Integrative Medicine
4700 LAS VEGAS BLVD N
NELLIS AFB, NV 89191
Clark County (702) 653-2267
KATRINA BAUMANN DPT
Physical Therapist (Orthopedic)
4700 LAS VEGAS BLVD N
NELLIS AFB, NV 89191
Clark County (702) 653-2273
SOUKAINA NOOR MD
Psychiatry & Neurology (Neurology)
4700 LAS VEGAS BLVD N
NELLIS AFB, NV 89191
Clark County (702) 653-2273
EDWARD KEMPTON MD
Emergency Medicine
4700 LAS VEGAS BLVD N
NELLIS AFB, NV 89191
Clark County (702) 653-2273
DR. AARON JOSEPH WOLBRUECK DO
Internal Medicine
4700 LAS VEGAS BLVD N
NELLIS AFB, NV 89191
Clark County (702) 653-2273
MARIA M ARAQUE PHARMD
Pharmacist
4700 LAS VEGAS BLVD N
NELLIS AFB, NV 89191
Clark County (702) 653-3202
DR. SHUBHANG N MAZUMDAR M.D.
Internal Medicine
4700 LAS VEGAS BLVD N
NELLIS AFB, NV 89191
Clark County (702) 653-3800
CYNTHIA SCHMIDT PH.D.
Psychologist (Clinical)
4700 LAS VEGAS BLVD N, ATTN: CREDENTIALS OFFICE
NELLIS AFB, NV 89191
Clark County (702) 653-3067

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 Karl Brown's NPI number?

The NPI number for Karl Brown is 1649497702. It was assigned to this individual provider in the NPPES registry on April 19, 2007.

Where is Karl Brown located?

Karl Brown practices at 4700 Las Vegas Blvd N Nellis Afb, Las Vegas, NV 89191. The listed phone number is (702) 653-3251.

What is Karl Brown's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Karl Brown enrolled in Medicare?

Yes. Karl Brown is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Karl Brown's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karl Brown reassigns Medicare benefits to 2 organizations: Molina Care Connections, LLC. (Long Beach, CA) and Molina Healthcare Of Utah Inc (Midvale, UT). 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 Karl Brown's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Karl Brown was last updated on August 8, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.