NPPES file of Aug 9, 2026

Spyridon A. Mastroyannis, MD

Gynecologic Oncology Physician · Aurora, CO

Spyridon A. Mastroyannis, MD is a gynecologic oncology physician with a practice address in Aurora, Colorado, and NPI 1700272986, issued on Apr 14, 2015. Check the license (Colorado DR.0068092, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1700272986
Name
Spyridon A. Mastroyannis
Credential
MD
Primary taxonomy
Gynecologic Oncology Physician 207VX0201X
License number
DR.0068092 CO
Self-reported in NPPES; status is on the state search
Practice location
1665 Aurora CT, Aurora, CO 80045
Phone
(303) 724-2066
Enumerated
Apr 14, 2015
Record last updated
Jan 14, 2025
Medicare enrollment
Enrolled (PECOS I20220718000723); accepts Medicare assignment
Medical or professional school
George Washington University School Of Medicine, 2015
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1665 Aurora CT

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Theodore Alkousakis, M.D.Dermatology Physician1992830269
  2. Marcus Alt, PH.D.Clinical Psychologist1013462639
  3. Julia Andrade, PA-CMedical Physician Assistant1174241822
  4. Mathew Angelos, MD, PHDHematology & Oncology Physician1487141149
  5. Diana Antenucci, NPAdult Health Nurse Practitioner1902583016
  6. Cynthia Armstrong, PT, DPTPhysical Therapist1730192642

Verify Spyridon A. Mastroyannis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license DR.0068092
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Colorado license search

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13% fewer Medicare Part D claims than the average gynecologic oncology physician in 2024

170 Medicare Part D claims for 57 beneficiaries, against an average of 195 among the 1,475 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims. 13 claims were for opioids.

  1. Spyridon Mastroyannis170
  2. Specialty average195

Most prescribed

  1. Eliquis33 claims
  2. Imiquimod13 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $42.60

1 payment: food and beverage; the largest payer was Genmab U.S., Inc. The 1,199 providers of this specialty with any payment received $6,387.20 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Spyridon Mastroyannis$42.60
  2. Specialty average$6,387.20

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Denver Health And Hospital AuthorityDenver, CO
  2. University Physicians IncorporatedAurora, CO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gynecologic Oncology Physician providers in Colorado

There are 34 gynecologic oncology physician records in Colorado.

Other gynecologic oncology physician records in Colorado

  1. Jill Alldredge, M.D.Aurora, CO1558653451
  2. Jaime Arruda, MDAurora, CO1073546834
  3. Kian Behbakht, MDAurora, CO1003919960
  4. Glenn Bigsby, DOLittleton, CO1821045584
  5. Lindsay Brubaker, M.D.Aurora, CO1437595840
  6. Bradley Corr, MDAurora, CO1255566964
  7. John Curtin, M.D.Denver, CO1528060639
  8. Susan Davidson, MDAurora, CO1508953654
  9. Kevin Davis, M.D.Englewood, CO1043266794
  10. Joseph Demari, MDAurora, CO1356876486

Common questions

What is Spyridon A. Mastroyannis, MD's NPI number?

Spyridon A. Mastroyannis, MD's National Provider Identifier (NPI) is 1700272986, issued on Apr 14, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Spyridon A. Mastroyannis, MD located?

The NPPES record lists a practice address at 1665 Aurora CT, Aurora, CO, 80045. Phone: (303) 724-2066. Providers update this record themselves, so call before visiting.

How can I verify Spyridon A. Mastroyannis, MD's license?

NPPES lists Colorado license number DR.0068092, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Spyridon A. Mastroyannis, MD prescribe under Medicare Part D?

In 2024, Spyridon A. Mastroyannis, MD had 170 Medicare Part D claims for 57 beneficiaries; the average among gynecologic oncology physician prescribers was 195. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.