NPPES file of Aug 9, 2026

Mark Mitchell Morrison, LCSW

Clinical Social Worker · Houston, TX

Mark Mitchell Morrison, LCSW is a clinical social worker with a practice address in Houston, Texas, and NPI 1639185366, issued on Aug 1, 2006. Check the license (Texas 17966, 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
1639185366
Name
Mark Mitchell Morrison
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
17966 TX
Self-reported in NPPES; status is on the state search
Practice location
2002 Holcombe Blvd, Houston, TX 77030
Phone
(713) 791-1414
Enumerated
Aug 1, 2006
Record last updated
Jul 8, 2007 (not updated in 19 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 2002 Holcombe Blvd

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

  1. Ahemad Ababor, PHARM DPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1538845698
  2. Arqam AbdaliPsychiatry Physician1730615337
  3. Whitney Abner, LMSWSocial Worker1639726300
  4. Rigat AbrahaPharmacist1508975418
  5. Legi Abraham, RNRegistered Nurse1730014226
  6. Melissa Abraham, LMSWSocial Worker1205358280

Verify Mark Mitchell Morrison 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 17966
    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

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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Mark Mitchell Morrison among 11,683 clinical social worker records in Texas

Mark Mitchell Morrison, LCSW is one of 11,683 clinical social worker records with a practice address in Texas. 12% 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 2006, is newer than under 1% of them.

  • NPI issued2006 · under 1% of these records are older, 89% newer
  • In a Medicare fileNo · 12% of these records are
  • In the CMS Doctors and Clinicians fileNo · 19% of these records are
  • Record last updated2007 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,660 clinical social worker records list a practice address in Houston

They are 1,660 of the 61,221 NPPES records with a practice address in Houston, and 11,683 clinical social worker records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 clinical social worker records with the nearest ZIP codes

  1. Gwendolyn Adam, LMSW, ACPHouston, TX 770301679579718
  2. George Castillo, LCSWHouston, TX 770301336159862
  3. Joanne Clancy, L.C.S.W.Houston, TX 770301336159359
  4. Loretta Coonan, LCSWHouston, TX 770301013926559
  5. Margaret Landrum, LCSWHouston, TX 770301790794840
  6. Barbara Martinez, LCSWHouston, TX 770301972565372
  7. Juleena Masters, LMSWHouston, TX 770301396790416
  8. Carol Maxwell, LCSWHouston, TX 770301467470716

Common questions

What is Mark Mitchell Morrison, LCSW's NPI number?

Mark Mitchell Morrison, LCSW's National Provider Identifier (NPI) is 1639185366, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Mitchell Morrison, LCSW located?

The NPPES record lists a practice address at 2002 Holcombe Blvd, Houston, TX, 77030. Phone: (713) 791-1414. Providers update this record themselves, so call before visiting.

How can I verify Mark Mitchell Morrison, LCSW's license?

NPPES lists Texas license number 17966, 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.

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.