NPPES file of Aug 9, 2026

Crystal Louise Diffee

Speech-Language Pathologist · Troy, MO

Crystal Louise Diffee is a speech-language pathologist with a practice address in Troy, Missouri, and NPI 1912310814, issued on Jun 9, 2014. Check the license (Missouri 2014029351, as entered in NPPES) with the Missouri 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
1912310814
Name
Crystal Louise Diffee
Primary taxonomy
Speech-Language Pathologist 235Z00000X
License numbers
2014029351 MO
2013031749 MO
Self-reported in NPPES; status is on the state search
Practice location
951 W College St, Troy, MO 63379
Phone
(636) 462-6098
Enumerated
Jun 9, 2014
Record last updated
Aug 18, 2014 (not updated in 12 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 951 W College St

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

  1. Melissa AvitiaPhysical Therapy Assistant1386866002
  2. Amy Blevins, MS,SLPSpeech-Language Pathologist1194241828
  3. Kelsey BlyudzhyusSpeech-Language Pathologist1659747186
  4. Danielle Childs, SLPSpeech-Language Pathologist1710319074
  5. Melanie Fensterman, OTR LOccupational Therapist1265625461
  6. Glenda FitzgeraldSpeech-Language Pathologist1659404978

Verify Crystal Louise Diffee in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Missouri board licenses this profession
    Search for license 2014029351
    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 Missouri license search

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22 speech-language pathologist records list a practice address in Troy

They are 22 of the 304 NPPES records with a practice address in Troy, and 5,054 speech-language pathologist records in Missouri. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other speech-language pathologist records in Missouri

  1. Stephanie (smith) Bradshaw, CCC-SLPJoplin, MO1013172394
  2. Susan Aasby, M.S., CCC SLPSpringfield, MO1861672636
  3. Logan AbbottSaint Louis, MO1124644729
  4. Patricia Abbott, M.A. ED., CCC-SLPCaruthersville, MO1760828719
  5. Madison AbellBlue Springs, MO1023598919
  6. Andrea Abeln, SLPCadet, MO1154796647
  7. Karen AbelnArnold, MO1750861068
  8. Susan Abernathy, MS, CCC-SLPHazelwood, MO1487969556
  9. Leslie Abney, MHS, CCC-SLPColumbia, MO1407384365
  10. Patricia AbodiSaint Louis, MO1770740102

Common questions

What is Crystal Louise Diffee's NPI number?

Crystal Louise Diffee's National Provider Identifier (NPI) is 1912310814, issued on Jun 9, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Crystal Louise Diffee located?

The NPPES record lists a practice address at 951 W College St, Troy, MO, 63379. Phone: (636) 462-6098. Providers update this record themselves, so call before visiting.

How can I verify Crystal Louise Diffee's license?

NPPES lists Missouri license number 2014029351, as entered by the provider. Search the Missouri 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.