SHARNELL WILLIAMS CRNP, AGNP-C
NPI 1508639402
Nurse Practitioner - Adult Health in Rockville, MD
About Sharnell Williams Crnp, Agnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHARNELL WILLIAMS CRNP, AGNP-C (NPI 1508639402) is an individual adult health provider in Rockville, Maryland, licensed in Maryland (R210438) and active in the NPI registry since November 2023. The provider is enrolled in Medicare PECOS and is a graduate of Other (2022).
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
Sharnell Williams Crnp, Agnp-c 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 Sharnell Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rockville, MD 20850
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 28 clinicians in this Medicare group
Rockville, MD 20850
- Reassigned Medicare billing, District of Columbia enrollment
- 234 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 20850 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.
ROCKVILLE, MD 20850
ROCKVILLE, MD 20850
ROCKVILLE, MD 20850
ROCKVILLE, MD 20850
ROCKVILLE, MD 20850
ROCKVILLE, MD 20850
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 Sharnell Williams's NPI number?
The NPI number for Sharnell Williams is 1508639402. It was assigned to this individual provider in the NPPES registry on November 1, 2023.
Where is Sharnell Williams located?
Sharnell Williams practices at 15245 Shady Grove Rd, Rockville, MD 20850. The listed phone number is (301) 527-1650.
What is Sharnell Williams's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Sharnell Williams enrolled in Medicare?
Yes. Sharnell 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 Sharnell Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sharnell Williams reassigns Medicare benefits to 2 organizations: Ravi Passi MD PC (Rockville, MD) and Professional Services Of Holy Cross (Rockville, 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 Sharnell 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 Sharnell Williams was last updated on April 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Sharnell Williams, CRNP, AGNP-C · NPI 1508639402
Adult Health physician in Rockville, Maryland. Individual provider, active in the CMS NPPES registry since November 1, 2023.
## Identity
- **NPI:** 1508639402 (Entity type: Individual)
- **Enumerated:** November 1, 2023
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** R210438 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 15245 SHADY GROVE RD, Rockville, MD 20850-3222
- **Phone:** (301) 527-1650
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Ravi Passi MD PC (NPI 1447229281, Rockville, MD); Professional Services Of Holy Cross (NPI 1619787454, Rockville, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** April 6, 2024
---
Source: [NPI Profile](https://npiprofile.com/npi/1508639402) · Data from the CMS NPPES public registry.