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

William Mark Barnett, MD

Individual provider Family Medicine Physician · NPI 1982990214

William Mark Barnett, MD is a Family Practice in Rolla, Missouri. Qualified in 2011, 15 years ago. Practices with Mercy Clinic Springfield Communities, a 1,126-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
15
Licensed in
MO
In the registry since
2011
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

1605 Martin Springs Dr Ste 210
Rolla, MO 65401-2980
Phone: (573) 458-6326
Fax: (573) 458-6763
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 2014011573 (MO)
Family Medicine Physician Taxonomy 207Q00000X · Licence 2011018665 (MO)

Record details

NPI number1982990214
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 24, 2011
Last updated in NPPESJuly 16, 2014
Mailing addressPo Box 505164, Saint Louis, MO 63150-5164

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Mercy Clinic Springfield Communities — 1126 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Rolla