Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

William A Quoos, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1609810134

William A Quoos, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Ephrata, Pennsylvania. Qualified in 2000, 26 years ago. Practices with Wellspan Medical Group, a 2,342-clinician group, works from 8 locations and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
26
Licensed in
PA
In the registry since
2006
Specialties on file
2
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

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Practice location Address checks out

169 Martin Ave
Ephrata, PA 17522-1734
Phone: (717) 733-0311
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (7)

  • 112 N 7th St, Chambersburg, PA 17201-1720 — (717) 267-7164
  • 12 St Paul Dr Ste 100, Chambersburg, PA 17201-1035 — (717) 217-6072
  • 835 5th Ave, Chambersburg, PA 17201-4220 — (717) 217-4312
  • 4150 Barrett Blvd, Ephrata, PA 17522-8979 — (717) 859-5160
  • 35 Erick Rd, Lancaster, PA 17601-3111 — (717) 690-0811
  • 1500 Highlands Dr, Lititz, PA 17543-7694 — (717) 782-3282
  • 501 E Main St, Waynesboro, PA 17268-2353 — (717) 765-3425

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence RN297449L (PA)
Specialist Taxonomy 174400000X · Licence RN297449L (PA)

Record details

NPI number1609810134
Entity typeIndividual (Type 1)
GenderMale
Credentials CRNA
Sole proprietorNo
NPI enumeratedJune 15, 2006
Last updated in NPPESApril 16, 2025
Certification dateApril 16, 2025
Mailing address601 Memory Ln, York, PA 17402-2231

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2000 (26 years in practice)
Group practice Wellspan Medical Group — 2342 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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