MARGARET RITTENHOUSE, LCSW PLLC
NPI 1619629904
Social Worker - Clinical in North Chesterfield, VA
About Margaret Rittenhouse, Lcsw Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET RITTENHOUSE, LCSW PLLC (NPI 1619629904) is a healthcare organization registered as a clinical in North Chesterfield, Virginia and active in the NPI registry since January 2022. The organization lists Margaret Ann Rittenhouse, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Margaret Rittenhouse, Lcsw Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by March 31, 2027
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Margaret Rittenhouse, Lcsw PLLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Margaret Rittenhouse, Lcsw PLLC's NPI number?
The NPI number for Margaret Rittenhouse, Lcsw PLLC is 1619629904. It was assigned to this organization in the NPPES registry on January 19, 2022.
Where is Margaret Rittenhouse, Lcsw PLLC located?
Margaret Rittenhouse, Lcsw PLLC is located at 808 Moorefield Park Dr Ste 119, North Chesterfield, VA 23236. The listed phone number is (804) 338-7730.
What is Margaret Rittenhouse, Lcsw PLLC's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Margaret Rittenhouse, Lcsw PLLC enrolled in Medicare?
Yes. Margaret Rittenhouse, Lcsw PLLC is registered in the Medicare PECOS enrollment system.
When is Margaret Rittenhouse, Lcsw PLLC's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Virginia, Clinic/Group Practice) is due for revalidation by March 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Margaret Rittenhouse, Lcsw PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Social Worker) reassigns their Medicare billing to Margaret Rittenhouse, Lcsw PLLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Margaret Rittenhouse, Lcsw PLLC was last updated on January 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Margaret Rittenhouse, Lcsw Pllc · NPI 1619629904
Clinical organization in North Chesterfield, Virginia. Organization record, active in the CMS NPPES registry since January 19, 2022.
## Identity
- **NPI:** 1619629904 (Entity type: Organization)
- **Enumerated:** January 19, 2022
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **Organization subpart:** No
- **Authorized official:** Margaret Rittenhouse, OWNER
## Practice location
- **Address:** 808 MOOREFIELD PARK DR STE 119, North Chesterfield, VA 23236-3672
- **Phone:** (804) 338-7730
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** March 31, 2027 (Non-DME Part B, Virginia, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 1 clinician (Clinical Social Worker) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 14, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1619629904) · Data from the CMS NPPES public registry.