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

Thomas A Olen, DO

Individual provider Anesthesiology Physician · NPI 1669497723

Thomas A Olen, DO is an Anesthesiology in Midland, Michigan. Graduated from Michigan State University College of Osteopathic Medicine in 1992, 34 years ago. Practices with Munson Medical Group, a 189-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
34
Trained at
Michigan State University College of Osteopathic Medicine
Licensed in
MI
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.

See every abbreviation used in this directory →

Practice location Address checks out

4005 Orchard Dr
Midland, MI 48670-0001
Phone: (989) 839-3606
Fax: (989) 839-1509
Show map & directions

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

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 5101011629 (MI)

Record details

NPI number1669497723
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 12, 2006
Last updated in NPPESJuly 8, 2007
Mailing address4005 Orchard Dr, Midland, MI 48670-0001

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolMICHIGAN STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 1992 (34 years in practice)
Group practice Munson Medical Group — 189 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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