RUTH NCHEFOR WILLIAMS
NPI 1356696231
Nurse Practitioner - Psychiatric/Mental Health in Clinton, MD
About Ruth Nchefor Williams NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RUTH NCHEFOR WILLIAMS (NPI 1356696231) is an individual psychiatric/mental health provider in Clinton, Maryland, licensed in District Of Columbia (NP1041846) and active in the NPI registry since July 2012. She is enrolled in Medicare PECOS and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 2
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
Ruth Nchefor Williams 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
3Medicare enrollment records show Ruth Williams reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Clinton, MD 20735
- Reassigned Medicare billing, District of Columbia enrollment
- 4 clinicians in this Medicare group
Washington, DC 20019
- Reassigned Medicare billing, District of Columbia enrollment
Prince Frederick, MD 20678
- Reassigned Medicare billing, Maryland enrollment
- 26 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20735 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CLINTON, MD 20735
CLINTON, MD 20735
CLINTON, MD 20735
CLINTON, MD 20735
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 Ruth Williams's NPI number?
The NPI number for Ruth Williams is 1356696231. It was assigned to this individual provider in the NPPES registry on July 17, 2012.
Where is Ruth Williams located?
Ruth Williams practices at 9135 Piscataway Rd, Clinton, MD 20735. The listed phone number is (240) 466-2855.
What is Ruth Williams's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Ruth Williams enrolled in Medicare?
Yes. Ruth Williams 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 Ruth Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ruth Williams reassigns Medicare benefits to 3 organizations: Standard Healthcare Plus LLC (Clinton, MD), Icare Healthcare Services (Washington, DC) and Advantage Psychiatric Services LLC (Prince Frederick, MD). 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 Ruth Williams'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 Ruth Williams was last updated on August 11, 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.
# Ruth Nchefor Williams · NPI 1356696231
Psychiatric/Mental Health physician in Clinton, Maryland. Individual provider, active in the CMS NPPES registry since July 17, 2012.
## Identity
- **NPI:** 1356696231 (Entity type: Individual)
- **Enumerated:** July 17, 2012
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** NP1041846 (District of Columbia)
- **Sole proprietor:** No
## Practice location
- **Address:** 9135 PISCATAWAY RD, Clinton, MD 20735-2549
- **Phone:** (240) 466-2855
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Standard Healthcare Plus LLC (NPI 1790357044, Clinton, MD); Icare Healthcare Services (NPI 1740998327, Washington, DC); Advantage Psychiatric Services LLC (NPI 1740874296, Prince Frederick, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** August 11, 2023
- **Other identifiers:** Medicaid RN104848 (DC); Medicaid 1356696231 (DC)
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Source: [NPI Profile](https://npiprofile.com/npi/1356696231) · Data from the CMS NPPES public registry.