NPPES file of Aug 9, 2026

Mark Thomas, CF-SLP

Speech-Language Pathologist · Washington, DC

Mark Thomas, CF-SLP is a speech-language pathologist with a practice address in Washington, District of Columbia, and NPI 1144781410, issued on Mar 28, 2019. Check the license (District of Columbia SLPCF000035, 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
1144781410
Name
Mark Thomas
Credential
CF-SLP
Primary taxonomy
Speech-Language Pathologist 235Z00000X
License number
SLPCF000035 DC
Self-reported in NPPES; status is on the state search
Practice location
2600 Douglass RD SE, Washington, DC 20020
Phone
(202) 607-2494
Enumerated
Mar 28, 2019
Record last updated
Mar 28, 2019 (not updated in 7 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 speech-language pathologist records → All 638 in District of Columbia → Look up another NPI →

Also registered at 2600 Douglass RD SE

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

  1. Amy AndersonClinical Social Worker1245939990
  2. Catherine Babcock, LGPCMental Health Counselor1982251575
  3. Kia BatisteSchool Social Worker1124676887
  4. Byron BleuzeSpeech-Language Pathologist1093545535
  5. Kara Carmichael, LICSWClinical Social Worker1578219754
  6. Jatinique Kyremanteng, M.A.CCC-SLPSpeech-Language Pathologist1699322610

Verify Mark Thomas 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 SLPCF000035    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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Mark Thomas among 638 speech-language pathologist records in District of Columbia

Mark Thomas, CF-SLP 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 2019, is newer than 59% of them.

  • NPI issued2019 · 59% of these records are older, 35% newer
  • In a Medicare fileNo · 3% of these records are
  • In the CMS Doctors and Clinicians fileNo · 3% of these records are
  • Record last updated2019 · 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.

All 638 in District of Columbia → Every provider in Washington → Speech-Language Pathologist nationwide →

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. Karen Johnson, PH.D.Washington, DC 200201548572035
  8. Jatinique Kyremanteng, M.A.CCC-SLPWashington, DC 200201699322610

Common questions

What is Mark Thomas, CF-SLP's NPI number?

Mark Thomas, CF-SLP's National Provider Identifier (NPI) is 1144781410, issued on Mar 28, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Mark Thomas, CF-SLP located?

The NPPES record lists a practice address at 2600 Douglass RD SE, Washington, DC, 20020. Phone: (202) 607-2494. Providers update this record themselves, so call before visiting.

How can I verify Mark Thomas, CF-SLP's license?

NPPES lists District of Columbia license number SLPCF000035, 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.

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.