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

Mr. William Stephen Forness, FNP-C

Individual provider Family Medicine Physician · NPI 1386237097

Mr. William Stephen Forness, FNP-C is a Nurse Practitioner in Saint Louis, Missouri. Qualified in 2016, 10 years ago. Practices with Mercy Clinic Trauma and General Surgery LLC, a 45-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
10
Licensed in
MO
In the registry since
2021
What do these letters mean?
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

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Practice location Address checks out

621 S New Ballas Rd Ste 560A
Saint Louis, MO 63141-8261
Phone: (314) 251-6440
Fax: (314) 251-4456
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence F09191408 (MO)

Record details

NPI number1386237097
Entity typeIndividual (Type 1)
GenderMale
Credentials FNP-C
Sole proprietorYes
NPI enumeratedFebruary 12, 2021
Last updated in NPPESFebruary 12, 2021
Certification dateFebruary 10, 2021
Mailing address1343 Flintshire Ln, Lake St Louis, MO 63367-1947

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Mercy Clinic Trauma And General Surgery Llc — 45 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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