Registry data as of Aug 27, 2026

Derek Markham

Behavior Analyst · Milwaukee, WI

Derek Markham is a behavior analyst with a practice address in Milwaukee, Wisconsin, and NPI 1265897342, issued on Dec 16, 2015. Check the license with the Wisconsin board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1265897342
Name
Derek Markham
Primary taxonomy
Behavior Analyst 103K00000X
Practice location
310 E Buffalo St, Milwaukee, WI 53202
Phone
(414) 847-5722
Enumerated
Dec 16, 2015
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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Also registered at 310 E Buffalo St

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

  1. Jaimee BalloghBehavior Analyst1366807430
  2. Shaimone BarkhadleCommunity Health Worker1154794170
  3. Carissa CoatsBehavior Analyst1811379027

Verify Derek Markham in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this professionCheck 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
Find the Wisconsin 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.

Behavior Analyst providers in Wisconsin

There are 810 behavior analyst records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 810 in Wisconsin → Every provider in Milwaukee →

Other behavior analyst records in Wisconsin

  1. Sanju Acharya, BCBABrookfield, WI1558860940
  2. Melissa Adams, BCBABrookfield, WI1003481565
  3. Isaac Addie, BCBACameron, WI1407688542
  4. Rachel Agazie, BSEau Claire, WI1396597837
  5. David AlbertsMadison, WI1104424332
  6. Robyn Albright, BCBAGreen Bay, WI1821654971
  7. Juaquin AlemanWest Allis, WI1427936210
  8. Abby Amacher, BCBAGreen Bay, WI1477092088
  9. Taylor AmatoMadison, WI1275142309
  10. Hanna AndereggMequon, WI1184301541

Common questions

What is Derek Markham's NPI number?

Derek Markham's National Provider Identifier (NPI) is 1265897342, issued on Dec 16, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Derek Markham located?

The NPPES record lists a practice address at 310 E Buffalo St, Milwaukee, WI, 53202. Phone: (414) 847-5722. Providers update this record themselves, so call before visiting.

How can I verify Derek Markham's license?

Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Compiled from official public sources by the editorial process.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.