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

Mr. Spyridon A Mastroyannis, MD

Individual provider Gynecologic Oncology Physician · NPI 1700272986

Mr. Spyridon A Mastroyannis, MD is a Gynecological Oncology in Aurora, Colorado. Graduated from George Washington University School of Medicine in 2015, 11 years ago. Practices with University Physicians Incorporated, a 3,148-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Colorado.

Years since qualifying
11
Trained at
George Washington University School of Medicine
Licensed in
CO
In the registry since
2015
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

1665 Aurora Ct
Aurora, CO 80045-2517
Phone: (303) 724-2066
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 777 Bannock St, Denver, CO 80204-4597 — (303) 436-4949

Specialties & licences

Gynecologic Oncology Physician (primary) Taxonomy 207VX0201X · Licence DR.0068092 (CO)

Record details

NPI number1700272986
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 14, 2015
Last updated in NPPESJanuary 14, 2025
Certification dateJanuary 14, 2025

Medicare enrollment

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

Medicare specialtyGYNECOLOGICAL ONCOLOGY
Also practisesOBSTETRICS/GYNECOLOGY
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2015 (11 years in practice)
Group practice University Physicians Incorporated — 3148 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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