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

William Thomson Lennox III, DO

Individual provider Anesthesiology Physician · NPI 1144427436

William Thomson Lennox III, DO is an Anesthesiology in York, Pennsylvania. Graduated from University of New England, College of Osteo Medicine in 2003, 23 years ago. Practices with Wellspan Medical Group, a 2,342-clinician group, works from 8 locations and accepts Medicare assignment. Licensed in Maryland and Pennsylvania.

Years since qualifying
23
Trained at
University of New England, College of Osteo Medicine
Licensed in
MD, PA
In the registry since
2007
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

1001 S George St
York, PA 17403-3676
Phone: (717) 812-7687
Fax: (717) 741-9641
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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, Chambersburg, PA 17201-1035 — (717) 217-6072
  • 169 Martin Ave, Ephrata, PA 17522-1734 — (717) 733-0311
  • 252 S 4th St, Lebanon, PA 17042-6111 — (717) 270-7500
  • 501 E Main St, Waynesboro, PA 17268-2353 — (717) 765-3425
  • 25 Monument Rd, York, PA 17403-5060 — (717) 741-8250
  • 55 Monument Rd, York, PA 17403-5023 — (717) 812-6425

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence OS021651 (PA)
Anesthesiology Physician Taxonomy 207L00000X · Licence H67493 (MD)

Record details

NPI number1144427436
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 29, 2007
Last updated in NPPESSeptember 13, 2024
Certification dateSeptember 13, 2024

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolUNIVERSITY OF NEW ENGLAND, COLLEGE OF OSTEO MEDICINE
Graduated 2003 (23 years in practice)
Group practice Wellspan Medical Group — 2342 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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