NPPES file of Aug 9, 2026

Mallory Elaine Gessner, PHARMD

Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist · Houston, TX

Mallory Elaine Gessner, PHARMD is a pharmacist clinician (phc)/ clinical pharmacy specialist with a practice address in Houston, Texas, and NPI 1992084149, issued on Aug 5, 2011. Check the license (Texas 50275, 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
1992084149
Name
Mallory Elaine Gessner
Credential
PHARMD
Primary taxonomy
Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist 1835P0018X
License number
50275 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 5, 2011
Record last updated
Aug 5, 2011 (not updated in 15 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 Mallory Elaine Gessner 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 50275
    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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Mallory Elaine Gessner among 1,271 pharmacist clinician (phc)/ clinical pharmacy specialist records in Texas

Mallory Elaine Gessner, PHARMD is one of 1,271 pharmacist clinician (phc)/ clinical pharmacy specialist records with a practice address in Texas. 2% 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 2011, is newer than 9% of them.

  • NPI issued2011 · 9% of these records are older, 88% newer
  • In a Medicare fileNo · 2% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2011 · 69% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1835P0018X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist providers in Texas

There are 1,271 pharmacist clinician (phc)/ clinical pharmacy specialist records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 pharmacist clinician (phc)/ clinical pharmacy specialist records with the nearest ZIP codes

  1. Stephanie Cho, PHARM.D.Houston, TX 770301770737660
  2. Shital Desai, PHARM.D., BCPSHouston, TX 770301598851073
  3. Deanna Galvez, PHARM.D.Houston, TX 770301952680670
  4. Perry Johnson, RPHHouston, TX 770301467615302
  5. Bonnie Labdi, PHARMD, RPHHouston, TX 770301225116262
  6. Theanh Nguyen, PHARM.D.Houston, TX 770301730367814
  7. Teri Ogg, PHARMD, BCPSHouston, TX 770301699959239
  8. Oi-Yee Ivy Poon, PHARMDHouston, TX 770301033128715

Common questions

What is Mallory Elaine Gessner, PHARMD's NPI number?

Mallory Elaine Gessner, PHARMD's National Provider Identifier (NPI) is 1992084149, issued on Aug 5, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Mallory Elaine Gessner, PHARMD 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 Mallory Elaine Gessner, PHARMD's license?

NPPES lists Texas license number 50275, 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.