Diane Michele Postell, LCSW, CADC
Marriage & Family Therapist · Wilmington, DE
Diane Michele Postell, LCSW, CADC is a marriage & family therapist with a practice address in Wilmington, Delaware, and NPI 1205912839, issued on Oct 27, 2006. Check the license (Delaware Q10000521, as entered in NPPES) with the Delaware board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Diane Michele Postell
- Credential
- LCSW, CADC
- Primary taxonomy
- Marriage & Family Therapist 106H00000X
- License number
- Q10000521 DE
Self-reported in NPPES; status is on the state search - Practice location
- 3618 Silverside RD, Wilmington, DE 19810
- Phone
- (302) 547-5505
- Enumerated
- Oct 27, 2006
- Record last updated
- Sep 11, 2025
- Entity
- Type 1 · individual
8 nearest marriage & family therapist records → All 64 in Delaware → Look up another NPI →
Also registered at 3618 Silverside RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ana Santiago BoussonMental Health Counselor1023807021
Verify Diane Michele Postell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Delaware board licenses this profession
Search for license Q10000521Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Diane Michele Postell among 64 marriage & family therapist records in Delaware
Diane Michele Postell, LCSW, CADC is one of 64 marriage & family therapist records with a practice address in Delaware. 17% 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 0% of them.
- NPI issued2006 · 0% of these records are older, 92% newer
- In a Medicare fileNo · 17% of these records are
- In the CMS Doctors and Clinicians fileNo · 25% of these records are
- Record last updated2025 · 36% 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 Delaware 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 Delaware
There are 64 marriage & family therapist records in Delaware. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 64 in Delaware → Every provider in Wilmington → Marriage & Family Therapist nationwide →
The 8 marriage & family therapist records with the nearest ZIP codes
- Richard Brousell, LPCMHWilmington, DE 198101316006943
- Gerald Marcus, MFTWilmington, DE 198101588771661
- William Metzdorf, D.MIN.Wilmington, DE 198101750562146
- Karen RogalskyWilmington, DE 198101730980343
- Luisa Silva-Casullo, LMFTWilmington, DE 198101629604640
- Melanie Wilson, LMFTWilmington, DE 198101942958517
- Adekanla Jackson, MFTWilmington, DE 198091639415029
- James SantanaWilmington, DE 198091295497865
Common questions
What is Diane Michele Postell, LCSW, CADC's NPI number?
Diane Michele Postell, LCSW, CADC's National Provider Identifier (NPI) is 1205912839, issued on Oct 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Diane Michele Postell, LCSW, CADC located?
The NPPES record lists a practice address at 3618 Silverside RD, Wilmington, DE, 19810. Phone: (302) 547-5505. Providers update this record themselves, so call before visiting.
How can I verify Diane Michele Postell, LCSW, CADC's license?
NPPES lists Delaware license number Q10000521, as entered by the provider. Search the Delaware 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.