NPPES file of Aug 9, 2026

Kathryn Alicia Johnson, BS, CAC-AD

Addiction (Substance Use Disorder) Counselor · Waldorf, MD

Kathryn Alicia Johnson, BS, CAC-AD is an addiction (substance use disorder) counselor with a practice address in Waldorf, Maryland, and NPI 1215430541, issued on Mar 13, 2018. Check the license (Maryland AC2456, as entered in NPPES) with the Maryland 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
1215430541
Name
Kathryn Alicia Johnson
Credential
BS, CAC-AD
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License number
AC2456 MD
Self-reported in NPPES; status is on the state search
Practice location
21 Industrial Park Dr Ste 104D, Waldorf, MD 20602
Phone
(301) 818-0030
Enumerated
Mar 13, 2018
Record last updated
Mar 13, 2018 (not updated in 8 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 addiction (substance use disorder) counselor records → All 1,165 in Maryland → Look up another NPI →

Also registered at 21 Industrial Park Dr Ste 104D

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

  1. Crystal Johnson, CAC-ADAddiction (Substance Use Disorder) Counselor1407362122
  2. Lindsey Montano, LPC, LGPCMental Health Counselor1689271462
  3. Gregory Palmer, CAC-AD/S, CAC IIAddiction (Substance Use Disorder) Counselor1497351340
  4. Jasmin Russell, LGPCCounselor1477183325

Verify Kathryn Alicia Johnson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license AC2456    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 Maryland license search

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Kathryn Alicia Johnson among 1,165 addiction (substance use disorder) counselor records in Maryland

Kathryn Alicia Johnson, BS, CAC-AD is one of 1,165 addiction (substance use disorder) counselor records with a practice address in Maryland. 2% 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 2018, is newer than 47% of them.

  • NPI issued2018 · 47% of these records are older, 47% newer
  • In a Medicare fileNo · 2% of these records are
  • In the CMS Doctors and Clinicians fileNo · 3% of these records are
  • Record last updated2018 · 62% 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 Maryland 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 Maryland

There are 1,165 addiction (substance use disorder) counselor records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,165 in Maryland → Every provider in Waldorf → Addiction (Substance Use Disorder) Counselor nationwide →

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

  1. Robin AllenWaldorf, MD 206021689353484
  2. Aislynn BarnesWaldorf, MD 206021649857772
  3. Jackie Crawford, MHSAWaldorf, MD 206021588343388
  4. Unequa Helton, LMSWWaldorf, MD 206021124726948
  5. Crystal Johnson, CAC-ADWaldorf, MD 206021407362122
  6. Gregory Palmer, CAC-AD/S, CAC IIWaldorf, MD 206021497351340
  7. Wykenna Vailor, MHS, ADTWaldorf, MD 206021790469377
  8. Kenneth WhiteWaldorf, MD 206021225868292

Common questions

What is Kathryn Alicia Johnson, BS, CAC-AD's NPI number?

Kathryn Alicia Johnson, BS, CAC-AD's National Provider Identifier (NPI) is 1215430541, issued on Mar 13, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Kathryn Alicia Johnson, BS, CAC-AD located?

The NPPES record lists a practice address at 21 Industrial Park Dr Ste 104D, Waldorf, MD, 20602. Phone: (301) 818-0030. Providers update this record themselves, so call before visiting.

How can I verify Kathryn Alicia Johnson, BS, CAC-AD's license?

NPPES lists Maryland license number AC2456, as entered by the provider. Search the Maryland 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.