WILLIAM A QUOOS CRNA
NPI 1609810134
Nurse Anesthetist, Certified Registered in Ephrata, PA
About William A Quoos Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM A QUOOS CRNA (NPI 1609810134) is an individual nurse anesthetist, certified registered in Ephrata, Pennsylvania, licensed in Pennsylvania (RN297449L) and active in the NPI registry since June 2006. He is affiliated with Wellspan Ephrata Community Hospital, maintains 7 additional practice locations, and is a graduate of Other (2000).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 7
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
William A Quoos Crna 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
4Medicare enrollment records show William Quoos reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Ephrata, PA 17522
- Reassigned Medicare billing, Pennsylvania enrollment
- 3,080 clinicians in this Medicare group
Lancaster, PA 17601
- Reassigned Medicare billing, Pennsylvania enrollment
- 267 clinicians in this Medicare group
Wyomissing, PA 19610
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,473 clinicians in this Medicare group
Harrisburg, PA 17101
- Reassigned Medicare billing, Pennsylvania enrollment
- 394 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Wellspan Ephrata Community Hospital
Acute Care Hospitals · Ephrata, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 17522 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.
EPHRATA, PA 17522
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 William Quoos's NPI number?
The NPI number for William Quoos is 1609810134. It was assigned to this individual provider in the NPPES registry on June 15, 2006.
Where is William Quoos located?
William Quoos practices at 169 Martin Ave, Ephrata, PA 17522. The listed phone number is (717) 733-0311.
What is William Quoos's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is William Quoos enrolled in Medicare?
Yes. William Quoos 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 William Quoos's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Quoos reassigns Medicare benefits to 4 organizations: Wellspan Medical Group (Ephrata, PA), Rgal Anesthesia Services LLC (Lancaster, PA), Tower Health Medical Group (Wyomissing, PA) and Upmc Pinnacle Anesthesia Services, LLC (Harrisburg, PA). 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 William Quoos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is William Quoos affiliated with any hospitals?
According to CMS data, William Quoos is affiliated with Wellspan Ephrata Community Hospital.
When was this NPI record last updated?
The NPPES record for William Quoos was last updated on April 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# William A Quoos, CRNA · NPI 1609810134
Nurse Anesthetist, Certified Registered physician in Ephrata, Pennsylvania. Individual provider, active in the CMS NPPES registry since June 15, 2006.
## Identity
- **NPI:** 1609810134 (Entity type: Individual)
- **Enumerated:** June 15, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** RN297449L (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 169 MARTIN AVE, Ephrata, PA 17522-1734
- **Phone:** (717) 733-0311
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Wellspan Medical Group (NPI 1215524913, Ephrata, PA); Rgal Anesthesia Services LLC (NPI 1699055251, Lancaster, PA); Tower Health Medical Group (NPI 1891036166, Wyomissing, PA); Upmc Pinnacle Anesthesia Services, LLC (NPI 1730693979, Harrisburg, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2000
## Record status
- **NPPES last updated:** April 16, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1609810134) · Data from the CMS NPPES public registry.