NPPES file of Aug 9, 2026

Karen G. Johnson, PH.D.

Speech-Language Pathologist · Washington, DC

Karen G. Johnson, PH.D. is a speech-language pathologist with a practice address in Washington, District of Columbia, and NPI 1548572035, issued on Jul 13, 2010. Check the license (District of Columbia SLP000323, as entered in NPPES) with the District of Columbia 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
1548572035
Name
Karen G. Johnson
Credential
PH.D.
Primary taxonomy
Speech-Language Pathologist 235Z00000X
License numbers
SLP000323 DC
02939 MD
Self-reported in NPPES; status is on the state search
Practice location
2224 34TH St SE, Washington, DC 20020
Phone
(202) 821-2718
Enumerated
Jul 13, 2010
Record last updated
Mar 25, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(202) 582-0283
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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Verify Karen G. Johnson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich District of Columbia board licenses this profession
    Search for license SLP000323
    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 District of Columbia license search

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Karen G. Johnson among 638 speech-language pathologist records in District of Columbia

Karen G. Johnson, PH.D. is one of 638 speech-language pathologist records with a practice address in District of Columbia. 3% 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 2010, is newer than 13% of them.

  • NPI issued2010 · 13% of these records are older, 85% newer
  • In a Medicare fileNo · 3% of these records are
  • In the CMS Doctors and Clinicians fileNo · 3% of these records are
  • Record last updated2015 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 235Z00000X and a District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

631 speech-language pathologist records list a practice address in Washington

They are 631 of the 45,857 NPPES records with a practice address in Washington, and 638 speech-language pathologist records in District of Columbia. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 speech-language pathologist records with the nearest ZIP codes

  1. Islamiat Adamoh-Faniyan, SLPWashington, DC 200201245611938
  2. Byron BleuzeWashington, DC 200201093545535
  3. Danielle Burwell, MS, CCC-SLPWashington, DC 200201124172689
  4. Irvin CuneginWashington, DC 200201013372069
  5. Celeste DilauroWashington, DC 200201811572506
  6. Lee Folia Fletcher, M.A. CCC-SLPWashington, DC 200201770053571
  7. Jatinique Kyremanteng, M.A.CCC-SLPWashington, DC 200201699322610
  8. Melanie McNutt, M.A. CCC-SLPWashington, DC 200201508243593

Common questions

What is Karen G. Johnson, PH.D.'s NPI number?

Karen G. Johnson, PH.D.'s National Provider Identifier (NPI) is 1548572035, issued on Jul 13, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Karen G. Johnson, PH.D. located?

The NPPES record lists a practice address at 2224 34TH St SE, Washington, DC, 20020. Phone: (202) 821-2718. Providers update this record themselves, so call before visiting.

How can I verify Karen G. Johnson, PH.D.'s license?

NPPES lists District of Columbia license number SLP000323, as entered by the provider. Search the District of Columbia 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.

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.