NPPES file of Aug 9, 2026

Constance Williams

Speech-Language Pathologist · Washington, DC

Constance Williams is a speech-language pathologist with a practice address in Washington, District of Columbia, and NPI 1154750958, issued on Nov 2, 2013. Check the license (District of Columbia 23, 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
1154750958
Name
Constance Williams
Primary taxonomy
Speech-Language Pathologist 235Z00000X
License number
23 DC
Self-reported in NPPES; status is on the state search
Practice location
1200 1St St NE FL 9, Washington, DC 20002
Phone
(202) 442-5885
Enumerated
Nov 2, 2013
Record last updated
Nov 2, 2013 (not updated in 13 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 1200 1St St NE FL 9

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

  1. Fernando Aguilera, OCCUPATIONAL THERAPIOccupational Therapist1215336623
  2. Tierra Anthony, LCSW-C, LICSWClinical Social Worker1114233244
  3. Megan ArnoldSpeech-Language Pathologist1013562669
  4. John AvignoneSpeech-Language Pathologist1962854836
  5. Adam Backels, LICSWSchool Social Worker1962178657
  6. Dave Bardach, LICSWClinical Social Worker1427506260

Verify Constance Williams 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 23    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

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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Constance Williams among 638 speech-language pathologist records in District of Columbia

Constance Williams 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 2013, is newer than 22% of them.

  • NPI issued2013 · 22% of these records are older, 70% newer
  • In a Medicare fileNo · 3% of these records are
  • In the CMS Doctors and Clinicians fileNo · 3% of these records are
  • Record last updated2013 · 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. Antoinette Allen, M.A., CCC-SLPWashington, DC 200021760717409
  2. Erin Burke, M.A. CCC-SLPWashington, DC 200021760696710
  3. Karen Garrido-Nag, MS, CCC-SLPWashington, DC 200021003049941
  4. Robin Goffen, M.A.T.CCC-SLPWashington, DC 200021225267917
  5. Andrea Handscomb, CCC-SLPWashington, DC 200021295968139
  6. Tiffany Jacobs, SLPWashington, DC 200021194928465
  7. April Jenkins, SLPWashington, DC 200021265649321
  8. Ann JonesWashington, DC 200021487898979

Common questions

What is Constance Williams's NPI number?

Constance Williams's National Provider Identifier (NPI) is 1154750958, issued on Nov 2, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Constance Williams located?

The NPPES record lists a practice address at 1200 1St St NE FL 9, Washington, DC, 20002. Phone: (202) 442-5885. Providers update this record themselves, so call before visiting.

How can I verify Constance Williams's license?

NPPES lists District of Columbia license number 23, 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.