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

Nicholas Austin Greiner, DO

Individual provider Sports Medicine (Family Medicine) Physician · NPI 1326200692

Nicholas Austin Greiner, DO is a Sports Medicine in Ballwin, Missouri. Graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2008, 18 years ago. Practices with Mercy Clinic East Communities, a 573-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
18
Trained at
At Still University of Health Sciences, College of Osteo Med, Kirksville
Licensed in
MO
In the registry since
2008
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

15945 Clayton Rd Ste 210
Ballwin, MO 63011-2491
Phone: (368) 931-3606
Fax: (636) 893-1362
Show map & directions

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

Specialties & licences

Sports Medicine (Family Medicine) Physician (primary) Taxonomy 207QS0010X · Licence 2011005769 (MO)

Record details

NPI number1326200692
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 27, 2008
Last updated in NPPESFebruary 1, 2024
Certification dateFebruary 1, 2024
Mailing addressPo Box 776084, Chicago, IL 60677-6084

Medicare enrollment

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

Medicare specialtySPORTS MEDICINE
Also practisesFAMILY PRACTICE
Medical schoolAT STILL UNIVERSITY OF HEALTH SCIENCES, COLLEGE OF OSTEO MED, KIRKSVILLE
Graduated 2008 (18 years in practice)
Group practice Mercy Clinic East Communities — 573 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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