NPPES file of Aug 9, 2026

John Slywka, LMFT, LPC

Marriage & Family Therapist · Richardson, TX

John Slywka, LMFT, LPC is a marriage & family therapist with a practice address in Richardson, Texas, and NPI 1306199088, issued on Oct 18, 2012. Check the license (Texas 4602, as entered in NPPES) with the Texas 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
1306199088
Name
John Slywka
Credential
LMFT, LPC
Primary taxonomy
Marriage & Family Therapist 106H00000X
License numbers
4602 TX
12886 TX
Self-reported in NPPES; status is on the state search
Practice location
600 W Campbell RD, Richardson, TX 75080
Phone
(972) 437-1400
Enumerated
Oct 18, 2012
Record last updated
Oct 18, 2012 (not updated in 14 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 marriage & family therapist records → All 2,984 in Texas → Look up another NPI →

Also registered at 600 W Campbell RD

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

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  4. David Rogers, LPCMental Health Counselor1215341631
  5. William Sun, D.C.Chiropractor1538415443
  6. Anne Weinberg, PH.D.Clinical Psychologist1851405948

Verify John Slywka in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license 4602    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 Texas license search

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John Slywka among 2,984 marriage & family therapist records in Texas

John Slywka, LMFT, LPC is one of 2,984 marriage & family therapist records with a practice address in Texas. 5% 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 2012, is newer than 34% of them.

  • NPI issued2012 · 34% of these records are older, 64% newer
  • In a Medicare fileNo · 5% of these records are
  • In the CMS Doctors and Clinicians fileNo · 9% of these records are
  • Record last updated2012 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 106H00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

29 marriage & family therapist records list a practice address in Richardson

They are 29 of the 2,896 NPPES records with a practice address in Richardson, and 2,984 marriage & family therapist records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,984 in Texas → Every provider in Richardson → Marriage & Family Therapist nationwide →

The 8 marriage & family therapist records with the nearest ZIP codes

  1. Linda Alexander, LPC, LMFT, LCDCRichardson, TX 750801740397637
  2. Kenneth Bateman, ED.D., LPC, LMFTRichardson, TX 750801578571691
  3. Leita Blair, LPC, LMFTRichardson, TX 750801962503102
  4. Tim Branaman, PH.D.Richardson, TX 750801932111747
  5. Martha Brock, LPC, LMFTRichardson, TX 750801427068808
  6. Melody Brooke, LPC, LMFTRichardson, TX 750801568405116
  7. Doreen Christensen, LCSWRichardson, TX 750801710080312
  8. Keith CobernRichardson, TX 750801851472666

Common questions

What is John Slywka, LMFT, LPC's NPI number?

John Slywka, LMFT, LPC's National Provider Identifier (NPI) is 1306199088, issued on Oct 18, 2012. An NPI identifies a provider in billing; it is not a license.

Where is John Slywka, LMFT, LPC located?

The NPPES record lists a practice address at 600 W Campbell RD, Richardson, TX, 75080. Phone: (972) 437-1400. Providers update this record themselves, so call before visiting.

How can I verify John Slywka, LMFT, LPC's license?

NPPES lists Texas license number 4602, as entered by the provider. Search the Texas 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.