NPPES file of Aug 9, 2026

Dennis Ta-Jen Chang, MD

Psychiatry Physician · North Las Vegas, NV

Dennis Ta-Jen Chang, MD is a psychiatry physician with a practice address in North Las Vegas, Nevada, and NPI 1952545915, issued on Apr 21, 2009. Check the license (Nevada 14597, as entered in NPPES) on the Nevada State Board of Medical Examiners; 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
1952545915
Name
Dennis Ta-Jen Chang
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
14597 NV
Self-reported in NPPES; status is on the state search
Practice location
6900 Pecos RD, North Las Vegas, NV 89086
Phone
(702) 791-9062
Enumerated
Apr 21, 2009
Record last updated
Jul 3, 2013 (not updated in 13 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20180813002052); accepts Medicare assignment
Medical or professional school
University Of Nevada School Of Medicine, 2009
Telehealth
Offers telehealth (CMS)
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 6900 Pecos RD

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

  1. Ghassan AbdallaPharmacist1700278991
  2. Ramon Acevedo, M.D.Cardiovascular Disease Physician1700895695
  3. Megan Adams, LCSWClinical Social Worker1457606337
  4. Eric Aguila, M.D.Physical Medicine & Rehabilitation Physician1598778086
  5. Brian Alexander, RRTRegistered Respiratory Therapist1659776276
  6. Macrie Alforo, PHARMDPharmacist1033496724

Verify Dennis Ta-Jen Chang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNevada State Board of Medical Examiners
    Search for license 14597
    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 Nevada 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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28% fewer Medicare Part D claims than the average psychiatry physician in 2024

718 Medicare Part D claims for 42 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.

  1. Dennis Chang718
  2. Specialty average1,000

Most prescribed

  1. Trazodone Hcl57 claims
  2. Clonazepam50 claims
  3. Fluoxetine Hcl43 claims
  4. Alprazolam42 claims
  5. Bupropion Xl39 claims
  6. Venlafaxine Hcl Er38 claims

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. State OF NevadaMesquite, NV

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

Psychiatry Physician providers in Nevada

There are 316 psychiatry physician records in Nevada.

Other psychiatry physician records in Nevada

  1. Christine Grace Adol, PMHNP-BCHenderson, NV1225809619
  2. Rodger Agre, M.D.Incline Village, NV1740371228
  3. Vasudha Ahuja, MDSparks, NV1538310362
  4. Adekunle Ajayi, M.D.Las Vegas, NV1255368486
  5. Margarita Akopian, DONorth Las Vegas, NV1720582331
  6. Steve Alcazar, MDLas Vegas, NV1851854426
  7. Joseph Alexander, DONorth Las Vegas, NV1194301101
  8. Nima Alinejad, M.D.Reno, NV1043310808
  9. Tarik Alshaikh, D.O.Las Vegas, NV1407145428
  10. Saide Altinsan, MDReno, NV1689612079

Common questions

What is Dennis Ta-Jen Chang, MD's NPI number?

Dennis Ta-Jen Chang, MD's National Provider Identifier (NPI) is 1952545915, issued on Apr 21, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Dennis Ta-Jen Chang, MD located?

The NPPES record lists a practice address at 6900 Pecos RD, North Las Vegas, NV, 89086. Phone: (702) 791-9062. Providers update this record themselves, so call before visiting.

How can I verify Dennis Ta-Jen Chang, MD's license?

NPPES lists Nevada license number 14597, as entered by the provider. Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Dennis Ta-Jen Chang, MD prescribe under Medicare Part D?

In 2024, Dennis Ta-Jen Chang, MD had 718 Medicare Part D claims for 42 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.