NPPES file of Aug 9, 2026

Karl Lorenzo Brown, M.D.

Internal Medicine Physician · Las Vegas, NV

Karl Lorenzo Brown, M.D. is an internal medicine physician with a practice address in Las Vegas, Nevada, and NPI 1649497702, issued on Apr 19, 2007. Check the license (Nevada 12624, as entered in NPPES) on the Nevada State Board of Medical Examiners; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1649497702
Name
Karl Lorenzo Brown
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
12624 NV
23717 NE
Self-reported in NPPES; status is on the state search
Practice location
4700 Las Vegas Blvd N, Las Vegas, NV 89191
Phone
(702) 653-3251
Enumerated
Apr 19, 2007
Record last updated
Aug 8, 2008 (not updated in 18 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest internal medicine physician records → All 1,229 in Nevada → Look up another NPI →

Also registered at 4700 Las Vegas Blvd N

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jeffrey Alexander, IDMTIndependent Duty Medical Technicians1881823177
  2. Vanessa AlvarezDental Assistant1235922519
  3. Almira Ang, CRNACertified Registered Nurse Anesthetist1518239037
  4. Earl Robert Ang, MDAnesthesiology Physician1962453233
  5. Richard Anshutz, CRNACertified Registered Nurse Anesthetist1285954438
  6. Melissa Baker, PA-CMedical Physician Assistant1477178689

Verify Karl Lorenzo Brown in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNevada State Board of Medical Examiners
    Search for license 12624    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Nevada license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Karl Lorenzo Brown among 1,229 internal medicine physician records in Nevada

Karl Lorenzo Brown, M.D. is one of 1,229 internal medicine physician records with a practice address in Nevada. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 41% of them.

  • NPI issued2007 · 41% of these records are older, 50% newer
  • In a Medicare fileNo · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2008 · 43% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

716 internal medicine physician records list a practice address in Las Vegas

They are 716 of the 65,269 NPPES records with a practice address in Las Vegas, and 1,229 internal medicine physician records in Nevada. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,229 in Nevada → Every provider in Las Vegas → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Cherylene Abalos, D.O.Nellis Afb, NV 891911912401910
  2. Erika Abraham, M.D.Nellis Afb, NV 891911831326644
  3. Frank Andriola, MDNellis Afb, NV 891911366445389
  4. Joshua Fields, M.D.Nellis Afb, NV 891911487041802
  5. Matthew Fralish, MDNellis Afb, NV 891911386131522
  6. Ramsey Gardner, MDNellis Afb, NV 891911225535255
  7. Jared Joffer, DONellis Afb, NV 891911912394719
  8. Mark Lopez, DOLas Vegas, NV 891911619147220

Common questions

What is Karl Lorenzo Brown, M.D.'s NPI number?

Karl Lorenzo Brown, M.D.'s National Provider Identifier (NPI) is 1649497702, issued on Apr 19, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Karl Lorenzo Brown, M.D. located?

The NPPES record lists a practice address at 4700 Las Vegas Blvd N, Las Vegas, NV, 89191. Phone: (702) 653-3251. Providers update this record themselves, so call before visiting.

How can I verify Karl Lorenzo Brown, M.D.'s license?

NPPES lists Nevada license number 12624, as entered by the provider. Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.