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

Gary James Tackling, MD

Individual provider Internal Medicine Physician · NPI 1598299141

Gary James Tackling, MD is a Hospitalist in Longmont, Colorado. Qualified in 2017, 9 years ago. Practices with Catholic Health Initiatives Colorado, a 1,266-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Colorado and Florida.

Years since qualifying
9
Licensed in
CO, FL
In the registry since
2017
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1950 Mountain View Ave
Longmont, CO 80501-3129
Phone: (303) 485-3066
Fax: (303) 485-3060
Show map & directions

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

Additional practice locations (1)

  • 1005 Mar Walt Drive, Fort Walton Beach, FL 32547-6707 — (850) 863-8202

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence DR.0067063 (CO)
Internal Medicine Physician Taxonomy 207R00000X · Licence ME145962 (FL)
Internal Medicine Physician Taxonomy 207R00000X · Licence DR.0067063 (CO)

Record details

NPI number1598299141
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 19, 2017
Last updated in NPPESJanuary 29, 2024
Certification dateJanuary 29, 2024
Mailing address1005 Mar Walt Drive, Fort Walton Beach, FL 32547-6707

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice Catholic Health Initiatives Colorado — 1266 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Longmont