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

Mark A Twardowski, DO

Individual provider Family Medicine Physician · NPI 1437118387

Mark A Twardowski, DO is an Internal Medicine in Grand Junction, Colorado. Graduated from Kansas City Medical College in 1988, 38 years ago. Practices with Community Medical Group LLC, a 108-clinician group and accepts Medicare assignment. Licensed in Colorado.

Years since qualifying
38
Trained at
Kansas City Medical College
Licensed in
CO
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

743 Horizon Ct Ste 100
Grand Junction, CO 81506-8701
Phone: (970) 241-7600
Fax: (970) 263-4831
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 31690 (CO)

Record details

NPI number1437118387
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 20, 2006
Last updated in NPPESMarch 7, 2023
Certification dateOctober 1, 2021
Mailing addressPo Box 1727, Grand Jct, CO 81502-1727

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolKANSAS CITY MEDICAL COLLEGE
Graduated 1988 (38 years in practice)
Group practice Community Medical Group Llc — 108 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Grand Junction