NPPES file of Aug 9, 2026

Heather Wark, M.D., PH.D.

Psychiatry Physician · Houston, TX

Heather Wark, M.D., PH.D. is a psychiatry physician with a practice address in Houston, Texas, and NPI 1457705279, issued on Apr 18, 2016. Check the license (Texas V7171, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1457705279
Name
Heather Wark
Credential
M.D., PH.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
V7171 TX
2025019458 MO
10534809-1205 UT
Self-reported in NPPES; status is on the state search
Practice location
921 Gessner RD, Houston, TX 77024
Phone
(713) 242-3000
Enumerated
Apr 18, 2016
Record last updated
Sep 10, 2025
Medicare enrollment
Enrolled (PECOS I20200615002278); accepts Medicare assignment
Medical or professional school
University Of Utah School Of Medicine, 2016
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 921 Gessner RD

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

  1. Saherish Abbasi, DOHospitalist Physician1326601113
  2. Saikrishna Aleti, M.D.Internal Medicine Physician1497770077
  3. Marisol ArroyoGerontology Nurse Practitioner1699308601
  4. Muhammad AsifHospitalist Physician1578916490
  5. Rauvan Averick, MDEmergency Medicine Physician1801871603
  6. Karen Aycock, CRNACertified Registered Nurse Anesthetist1114379849

Verify Heather Wark in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license V7171
    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
Open the Texas license search

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87% fewer Medicare Part D claims than the average psychiatry physician in 2024

131 Medicare Part D claims for 23 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.

  1. Heather Wark131
  2. Specialty average1,000

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Ihc Health Services IncOgden, UT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Heather Wark among 3,318 psychiatry physician records in Texas

Heather Wark, M.D., PH.D. is one of 3,318 psychiatry physician records with a practice address in Texas. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 73% of them.

  • NPI issued2016 · 73% of these records are older, 24% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 45% of these records are
  • Graduated2016 · median 2006 among the 1,481 with a school on file
  • Record last updated2025 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in Texas

There are 3,318 psychiatry physician records in Texas.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Sangeeta Awasthi, M.D.Houston, TX 770241679790950
  2. Rakesh Desai, M.D.Houston, TX 770241003897430
  3. William Drell, M.D.Houston, TX 770241932184983
  4. Barry Gritz, M.D.Houston, TX 770241487635892
  5. Wanda Henao, M.D.Houston, TX 770241144379710
  6. Sara Holland, PMNPHouston, TX 770241992422166
  7. Bejoy John, MDHouston, TX 770241619285442
  8. Chizelle OnochieHouston, TX 770241750841409

Common questions

What is Heather Wark, M.D., PH.D.'s NPI number?

Heather Wark, M.D., PH.D.'s National Provider Identifier (NPI) is 1457705279, issued on Apr 18, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Heather Wark, M.D., PH.D. located?

The NPPES record lists a practice address at 921 Gessner RD, Houston, TX, 77024. Phone: (713) 242-3000. Providers update this record themselves, so call before visiting.

How can I verify Heather Wark, M.D., PH.D.'s license?

NPPES lists Texas license number V7171, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Heather Wark, M.D., PH.D. prescribe under Medicare Part D?

In 2024, Heather Wark, M.D., PH.D. had 131 Medicare Part D claims for 23 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.