Harold D. Duncan, PH.D.
Marriage & Family Therapist · Dallas, TX
Harold D. Duncan, PH.D. is a marriage & family therapist with a practice address in Dallas, Texas, and NPI 1780691196, issued on Aug 1, 2006. Check the license (Texas 3810, 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.
- Name
- Harold D. Duncan
- Credential
- PH.D.
- Primary taxonomy
- Marriage & Family Therapist 106H00000X
- License numbers
- 3810 TX
9278 TX
Self-reported in NPPES; status is on the state search - Practice location
- 12700 Preston RD, Dallas, TX 75230
- Phone
- (972) 233-9199
- Enumerated
- Aug 1, 2006
- Record last updated
- Sep 11, 2025
- Fax
- (972) 233-9799
- Entity
- Type 1 · individual
8 nearest marriage & family therapist records → All 2,984 in Texas → Look up another NPI →
Also registered at 12700 Preston RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Benlon Eaglin, M.ED, LPCMental Health Counselor1013280106
- Allan Sherman, DPMPodiatrist1003084872
- Shirlee Stewart, LMSW LMFTMarriage & Family Therapist1104971118
Verify Harold D. Duncan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 3810Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Harold D. Duncan among 2,984 marriage & family therapist records in Texas
Harold D. Duncan, PH.D. 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 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 88% newer
- In a Medicare fileNo · 5% of these records are
- In the CMS Doctors and Clinicians fileNo · 9% of these records are
- Record last updated2025 · 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).
Marriage & Family Therapist providers in Texas
There are 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 Dallas → Marriage & Family Therapist nationwide →
The 8 marriage & family therapist records with the nearest ZIP codes
- Brandi Allen, LMFTDallas, TX 752301154885077
- Peter Boger, LPC LMFTDallas, TX 752301003917816
- Elizabeth Higgins, LMFTDallas, TX 752301790594208
- Linda Homsany, MS LPC LMFTDallas, TX 752301174674204
- Claudia Ivette LamplDallas, TX 752301609635572
- Chanda Monga, M.ED; LMFT; PSY.Dallas, TX 752301407944333
- Laura Morgan-Johnson, PHDDallas, TX 752301932220209
- Wendy Palmer, LCSW LMFTDallas, TX 752301982767059
Common questions
What is Harold D. Duncan, PH.D.'s NPI number?
Harold D. Duncan, PH.D.'s National Provider Identifier (NPI) is 1780691196, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Harold D. Duncan, PH.D. located?
The NPPES record lists a practice address at 12700 Preston RD, Dallas, TX, 75230. Phone: (972) 233-9199. Providers update this record themselves, so call before visiting.
How can I verify Harold D. Duncan, PH.D.'s license?
NPPES lists Texas license number 3810, 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.