Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Philip Simonian, MD

Individual provider Pulmonary Disease Physician · NPI 1992773063

Philip Simonian, MD is a Hospitalist in Aurora, Colorado. Graduated from Northwestern University Feinberg Medical School in 1994, 32 years ago. Practices with Catholic Health Initiatives Colorado, a 1,266-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Colorado.

Years since qualifying
32
Trained at
Northwestern University Feinberg Medical School
Licensed in
CO
In the registry since
2006
Specialties on file
3
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

12605 E 16th Ave
Aurora, CO 80045-2545
Phone: (720) 848-0000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 4567 E 9th Ave, Denver, CO 80220-3908 — (303) 320-2121
  • 1950 Mountain View Ave, Longmont, CO 80501-3129 — (303) 485-3066
  • 615 Fairhurst St, Sterling, CO 80751-4523 — (970) 522-0122

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence DR0040562 (CO)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence 40562 (CO)
Hospitalist Physician Taxonomy 208M00000X · Licence DR.0040562 (CO)

Record details

NPI number1992773063
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 14, 2006
Last updated in NPPESMay 16, 2025
Certification dateMay 16, 2025

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 1994 (32 years in practice)
Group practice Catholic Health Initiatives Colorado — 1266 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients360
Services billed 1,289 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Catholic Health Initiatives Colorado

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1266 clinicians in the practice; 12 are shown here.

Other providers in Aurora