Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
MARK DEWITT LANYON, PHD
ActiveMARK DEWITT LANYON, PHD is a Addiction (Substance Use Disorder) Counselor healthcare provider located in WILMINGTON, Delaware. NPI 1417008137 is currently active in the NPPES registry. Verify at CMS.
Addiction (Substance Use Disorder) Counselor · WILMINGTON, DE
Registration Details
- NPI Number
- 1417008137
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Jan 16, 2007 (19.559555252975 yrs)
- Last Updated
- Sep 11, 2025
Practice Information
- Address
-
2814 W 2ND STWILMINGTON, DE, 198051807Browse DE providers · Browse ZIP 19805
- Phone
- 3024720381
- Fax
- 3024720392
- Primary Specialty
-
Addiction (Substance Use Disorder) Counselor
101YA0400X
- Additional Specialty
- Addiction (Substance Use Disorder) Counselor
Other Addiction (Substance Use Disorder) Counselor Providers in WILMINGTON, DE
| Name | Credential | NPI |
|---|---|---|
| MARY ELIZABETH KRIEGER | LPCMH, LCDP, CADC | 1992818553 |
| SUSAN P BECKMAN | — | 1467502419 |
| BASHA ALEXANDRA CLOSIC | — | 1528118684 |
| SUSAN J ANDERSON | — | 1437209483 |
| MR. REANARD ANTHONY BRITT | — | 1427108489 |
| LYNN M FAHEY | — | 1457402703 |
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.