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

Mark Bigg

Individual provider Internal Medicine Physician · NPI 1750941571

Mark Bigg is an Internal Medicine in Saint Louis, Missouri. Qualified in 2019, 7 years ago. Practices with Mercy Clinic Adult Hospitalists - St Louis, LLC, a 141-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
7
Licensed in
MO
In the registry since
2019
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Practice location Address checks out

615 S New Ballas Rd
Saint Louis, MO 63141-8221
Phone: (314) 509-5305
Fax: (314) 251-4454
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 2019020193 (MO)

Record details

NPI number1750941571
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedJune 14, 2019
Last updated in NPPESJune 14, 2019
Mailing address615 S New Ballas Rd, Saint Louis, MO 63141-8221

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Mercy Clinic Adult Hospitalists - St. Louis, Llc — 141 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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