NPPES file of Aug 9, 2026

Louis Gregory Gross, SLP-CF

Speech-Language Pathologist · Washington, DC

Louis Gregory Gross, SLP-CF is a speech-language pathologist with a practice address in Washington, District of Columbia, and NPI 1083283667, issued on Jun 18, 2021. Check the license 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
1083283667
Name
Louis Gregory Gross
Credential
SLP-CF
Primary taxonomy
Speech-Language Pathologist 235Z00000X
License number
SZ10053 FL
Self-reported in NPPES; status is on the state search
Practice location
1300 I St NW Ste 400E, Washington, DC 20005
Phone
(202) 695-7384
Enumerated
Jun 18, 2021
Record last updated
Jun 18, 2021 (not updated in 5 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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Also registered at 1300 I St NW Ste 400E

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

  1. Amilia AlcemaLicensed Practical Nurse1851151104
  2. Marissa Arkus, M.S.Speech-Language Pathologist1649844564
  3. Allison Arps, LICSWClinical Social Worker1376132795
  4. Martins AziengbePsychiatric/Mental Health Nurse Practitioner1659618908
  5. Lara Edelstein, LICSWClinical Social Worker1609306638
  6. Rachel Glick, MS-SLPSpeech-Language Pathologist1811566961

Verify Louis Gregory Gross in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich District of Columbia board licenses this professionCheck 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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Louis Gregory Gross among 638 speech-language pathologist records in District of Columbia

Louis Gregory Gross, SLP-CF 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 2021, is newer than 70% of them.

  • NPI issued2021 · 70% of these records are older, 27% newer
  • In a Medicare fileNo · 3% of these records are
  • In the CMS Doctors and Clinicians fileNo · 3% of these records are
  • Record last updated2021 · 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. Marissa Arkus, M.S.Washington, DC 200051649844564
  2. Anastasia Badillo, M.S., CF-SLPWashington, DC 200051972292357
  3. Rachel BermanWashington, DC 200051457165060
  4. Susan BrodnanskyWashington, DC 200051700578218
  5. Madyson ConnorWashington, DC 200051720967193
  6. Rachel Glick, MS-SLPWashington, DC 200051811566961
  7. Skylar HamblenWashington, DC 200051336922491
  8. Ana-Maria Jaramillo, SLPD, CCC-SLPWashington, DC 200051306242243

Common questions

What is Louis Gregory Gross, SLP-CF's NPI number?

Louis Gregory Gross, SLP-CF's National Provider Identifier (NPI) is 1083283667, issued on Jun 18, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Louis Gregory Gross, SLP-CF located?

The NPPES record lists a practice address at 1300 I St NW Ste 400E, Washington, DC, 20005. Phone: (202) 695-7384. Providers update this record themselves, so call before visiting.

How can I verify Louis Gregory Gross, SLP-CF's license?

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.