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

Dr. Timothy Michael Lonergan, MD

Individual provider Orthopaedic Foot and Ankle Surgery Physician · NPI 1346683059

Dr. Timothy Michael Lonergan, MD is an Orthopedic Surgery in Washington, Missouri. Qualified in 2013, 13 years ago. Practices with Mercy Clinic Surgical Specialists LLC, a 180-clinician group and accepts Medicare assignment. Licensed in Kentucky and Missouri.

Years since qualifying
13
Licensed in
KY, MO
In the registry since
2013
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

901 Patients First Dr Ste 1300
Washington, MO 63090-4700
Phone: (636) 239-9011
Fax: (636) 239-0433
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Foot and Ankle Surgery Physician (primary) Taxonomy 207XX0004X · Licence 2025014331 (MO)
Orthopaedic Foot and Ankle Surgery Physician Taxonomy 207XX0004X · Licence 52379 (KY)

Record details

NPI number1346683059
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 11, 2013
Last updated in NPPESJuly 14, 2025
Certification dateJuly 14, 2025

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Mercy Clinic Surgical Specialists Llc — 180 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount