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

Mark John Van Ess, DO

Individual provider Otology & Neurotology Physician · NPI 1841404613

Mark John Van Ess, DO is an Otolaryngology in Springfield, Missouri. Qualified in 2003, 23 years ago. Practices with Mercy Clinic Springfield Communities, a 1,126-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
23
Licensed in
MO
In the registry since
2007
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

1229 E Seminole St Ste 520
Springfield, MO 65804-2227
Phone: (417) 820-5750
Fax: (417) 820-5066
Show map & directions

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

Specialties & licences

Otology & Neurotology Physician (primary) Taxonomy 207YX0901X · Licence 2009014117 (MO)

Record details

NPI number1841404613
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 10, 2007
Last updated in NPPESAugust 4, 2011
Mailing address1229 E Seminole St Ste 520, Springfield, MO 65804-2227

Medicare enrollment

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

Medicare specialtyOTOLARYNGOLOGY
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Mercy Clinic Springfield Communities — 1126 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount