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

Dr. John Jacob Long, DO

Individual provider Anesthesiology Physician · NPI 1063442648

Dr. John Jacob Long, DO is an Anesthesiology in O Fallon, Missouri. Graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 1993, 33 years ago. Practices with Washington University, a 2,986-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
33
Trained at
At Still University of Health Sciences, College of Osteo Med, Kirksville
Licensed in
MO
In the registry since
2006
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.

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Practice location Address checks out

2 Progress Point Pkwy Dept Anesthesiology
O Fallon, MO 63368-2205
Phone: (800) 862-9980
Fax: (314) 362-1185
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 2004020474 (MO)

Record details

NPI number1063442648
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 3, 2006
Last updated in NPPESApril 17, 2025
Certification dateJune 6, 2024
Mailing addressPo Box 7412011, Chicago, IL 60674-2011

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolAT STILL UNIVERSITY OF HEALTH SCIENCES, COLLEGE OF OSTEO MED, KIRKSVILLE
Graduated 1993 (33 years in practice)
Group practice Washington University — 2986 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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