NPPES file of Aug 9, 2026

Mark Nelson

Addiction (Substance Use Disorder) Counselor · Waco, TX

Mark Nelson is an addiction (substance use disorder) counselor with a practice address in Waco, Texas, and NPI 1942954656, issued on Feb 10, 2022. Check the license (Texas 13419, as entered in NPPES) with the Texas board that licenses this profession; 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
1942954656
Name
Mark Nelson
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License number
13419 TX
Self-reported in NPPES; status is on the state search
Practice location
2220 Austin Ave, Waco, TX 76701
Phone
(254) 752-3451
Enumerated
Feb 10, 2022
Record last updated
Feb 10, 2022
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 addiction (substance use disorder) counselor records → All 2,435 in Texas → Look up another NPI →

Also registered at 2220 Austin Ave

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

  1. Gage Bass, LCDCAddiction (Substance Use Disorder) Counselor1871344812
  2. Jennifer Clover, LCDCAddiction (Substance Use Disorder) Counselor1215871637
  3. Melissa Cox, LCDCAddiction (Substance Use Disorder) Counselor1962237073
  4. Deborah Davis, LCDCAddiction (Substance Use Disorder) Counselor1639705700
  5. Crystal Evans, LCDCAddiction (Substance Use Disorder) Counselor1073149332
  6. Victoria Evans, LCDCAddiction (Substance Use Disorder) Counselor1285462135

Verify Mark Nelson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license 13419    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
Find the Texas 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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Mark Nelson among 2,435 addiction (substance use disorder) counselor records in Texas

Mark Nelson is one of 2,435 addiction (substance use disorder) counselor records with a practice address in Texas. under 1% 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 2022, is newer than 68% of them.

  • NPI issued2022 · 68% of these records are older, 25% newer
  • In a Medicare fileNo · under 1% of these records are
  • In the CMS Doctors and Clinicians fileNo · 2% of these records are
  • Record last updated2022 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YA0400X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Addiction (Substance Use Disorder) Counselor providers in Texas

There are 2,435 addiction (substance use disorder) counselor records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,435 in Texas → Every provider in Waco → Addiction (Substance Use Disorder) Counselor nationwide →

The 8 addiction (substance use disorder) counselor records with the nearest ZIP codes

  1. Audrey Atkins, LCDCWaco, TX 767011548487861
  2. Mary Bell, LCDCWaco, TX 767011912646274
  3. Bambi BlanchardWaco, TX 767011508504804
  4. Wanda BrickerWaco, TX 767011639742430
  5. Deborah Davis, LCDCWaco, TX 767011639705700
  6. Crystal Evans, LCDCWaco, TX 767011073149332
  7. Carlton Hall, M.DIV.Waco, TX 767011760168793
  8. Cotii Huggins, LCDCWaco, TX 767011710104013

Common questions

What is Mark Nelson's NPI number?

Mark Nelson's National Provider Identifier (NPI) is 1942954656, issued on Feb 10, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Mark Nelson located?

The NPPES record lists a practice address at 2220 Austin Ave, Waco, TX, 76701. Phone: (254) 752-3451. Providers update this record themselves, so call before visiting.

How can I verify Mark Nelson's license?

NPPES lists Texas license number 13419, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

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.