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

Dr. Michael E Janssen, DO

Individual provider Orthopaedic Surgery of the Spine Physician · NPI 1922083310

Dr. Michael E Janssen, DO is an Orthopedic Surgery in Thornton, Colorado. Qualified in 1986, 40 years ago. Practices with Center for Spine and Orthopedics PC, a 29-clinician group and accepts Medicare assignment. Licensed in Colorado.

Years since qualifying
40
Licensed in
CO
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.

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Practice location Address checks out

9005 Grant St # 200
Thornton, CO 80229-4300
Phone: (303) 287-2800
Fax: (303) 287-7357
Show map & directions

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

Specialties & licences

Orthopaedic Surgery of the Spine Physician (primary) Taxonomy 207XS0117X · Licence 30753 (CO)

Record details

NPI number1922083310
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedDecember 8, 2005
Last updated in NPPESAugust 15, 2019
Mailing address9005 Grant St, 200, Thornton, CO 80229-4300

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolOTHER
Graduated 1986 (40 years in practice)
Group practice Center For Spine And Orthopedics Pc — 29 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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