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

Dr. John Frank Anzalone, DO

Individual provider General Practice Physician · NPI 1861481558

Dr. John Frank Anzalone, DO is a General Practice Physician in O Fallon, Missouri. Practices as a sole proprietor. Licensed in Missouri.

Licensed in
MO
In the registry since
2005
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.

See every abbreviation used in this directory →

Practice location Address checks out

1055 E Terra Ln
O Fallon, MO 63366-2750
Phone: (636) 272-6161
Fax: (636) 240-9188
Show map & directions

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

Specialties & licences

General Practice Physician (primary) Taxonomy 208D00000X · Licence R7830 (MO)

Record details

NPI number1861481558
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedOctober 17, 2005
Last updated in NPPESDecember 23, 2009
Mailing address1055 E Terra Ln, O Fallon, MO 63366-2750