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

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1891822839

Dr. John J Orrego, MD is an Endocrinology in Denver, Colorado. Qualified in 1989, 37 years ago. Practices with Colorado Permanente Medical Group PC, a 1,325-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Colorado.

Years since qualifying
37
Licensed in
CO
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1375 E 20th Ave
Denver, CO 80205-5422
Phone: (303) 338-4545
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence 41916 (CO)

Record details

NPI number1891822839
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 27, 2007
Last updated in NPPESJune 14, 2021
Certification dateJune 14, 2021

Medicare enrollment

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

Medicare specialtyENDOCRINOLOGY
Medical schoolOTHER
Graduated 1989 (37 years in practice)
Group practice Colorado Permanente Medical Group Pc — 1325 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare

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