NANCY KRIEG
NPI 1164107835
Social Worker in Smithtown, NY
About Nancy Krieg NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NANCY KRIEG (NPI 1164107835) is an individual social worker in Smithtown, New York and active in the NPI registry since June 2023. She is enrolled in Medicare PECOS and is a graduate of Other (1982).
NPPES Registry Identity
Specialties & Licenses
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
Nancy Krieg 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 Reassignment
Medicare enrollment records show Nancy Krieg reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Smithtown, NY 11787
- Reassigned Medicare billing, New York enrollment
- 17 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Other Providers at the Same Location NPPES 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SMITHTOWN, NY 11787
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 Nancy Krieg's NPI number?
The NPI number for Nancy Krieg is 1164107835. It was assigned to this individual provider in the NPPES registry on June 20, 2023.
Where is Nancy Krieg located?
Nancy Krieg practices at 732 Smithtown Byp, Smithtown, NY 11787. The listed phone number is (631) 320-1070.
What is Nancy Krieg's specialty?
The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.
Is Nancy Krieg enrolled in Medicare?
Yes. Nancy Krieg 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 organization bills Medicare for Nancy Krieg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nancy Krieg reassigns Medicare benefits to Long Island Elder Care Lcsw PLLC (Smithtown, NY). The 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 Nancy Krieg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Nancy Krieg was last updated on June 20, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.
# Nancy Krieg · NPI 1164107835
Social Worker provider in Smithtown, New York. Individual provider, active in the CMS NPPES registry since June 20, 2023.
## Identity
- **NPI:** 1164107835 (Entity type: Individual)
- **Enumerated:** June 20, 2023
- **Primary specialty:** Social Worker · taxonomy 104100000X
- **Sole proprietor:** Yes
## Practice location
- **Address:** 732 SMITHTOWN BYP, Smithtown, NY 11787-5020
- **Phone:** (631) 320-1070
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Long Island Elder Care Lcsw PLLC (NPI 1295763852, Smithtown, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1982
## Record status
- **NPPES last updated:** June 20, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1164107835) · Data from the CMS NPPES public registry.