MARY ELIZABETH KRIEGER LPCMH, LCDP, CADC
NPI 1992818553
Counselor - Addiction (Substance Use Disorder) in Wilmington, DE
About Mary Elizabeth Krieger Lpcmh, Lcdp, Cadc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY ELIZABETH KRIEGER LPCMH, LCDP, CADC (NPI 1992818553) is an individual addiction (substance use disorder) provider in Wilmington, Delaware, licensed in Delaware (CD-0000007) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1982).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mary Elizabeth Krieger Lpcmh, Lcdp, Cadc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Mary Krieger reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Wilmington, DE 19801
- Reassigned Medicare billing, Delaware enrollment
- 13 clinicians in this Medicare group
Wilmington, DE 19801
- Reassigned Medicare billing, Delaware enrollment
- 12 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mary Krieger's NPI number?
The NPI number for Mary Krieger is 1992818553. It was assigned to this individual provider in the NPPES registry on August 17, 2006.
Where is Mary Krieger located?
Mary Krieger practices at 2601 W 4th St, Wilmington, DE 19805. The listed phone number is (302) 656-0651.
What is Mary Krieger's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.
Is Mary Krieger enrolled in Medicare?
Yes. Mary Krieger is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Mary Krieger's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Krieger reassigns Medicare benefits to 2 organizations: (Wilmington, DE) and Norman Broudy (Wilmington, DE). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary Krieger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Krieger accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Highmark Blue Cross Blue Shield Delaware list Mary Krieger as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Mary Krieger was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mary Elizabeth Krieger, LPCMH, LCDP, CADC · NPI 1992818553
Addiction (Substance Use Disorder) provider in Wilmington, Delaware. Individual provider, active in the CMS NPPES registry since August 17, 2006.
## Identity
- **NPI:** 1992818553 (Entity type: Individual)
- **Enumerated:** August 17, 2006
- **Primary specialty:** Counselor - Addiction (Substance Use Disorder) · taxonomy 101YA0400X
- **State license:** CD-0000007 (Delaware)
- **Sole proprietor:** No
## Practice location
- **Address:** 2601 W 4TH ST, Wilmington, DE 19805-3309
- **Phone:** (302) 656-0651 · **Fax:** (302) 654-6432
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): (NPI 1346220928, Wilmington, DE); Norman Broudy (NPI 1457400657, Wilmington, DE) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1982
## Record status
- **NPPES last updated:** September 11, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1992818553) · Data from the CMS NPPES public registry.