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

John Zanovich

Individual provider Anesthesiology Physician · NPI 1386692663

John Zanovich practises Anesthesiology in Denver, Colorado. Graduated from Oklahoma State University College of Osteopathic Medicine in 2000, 26 years ago. Practices with Anesthesia Medical Professionals PLLC, a 104-clinician group and accepts Medicare assignment. Licensed in Oklahoma.

Years since qualifying
26
Trained at
Oklahoma State University College of Osteopathic Medicine
Licensed in
OK
In the registry since
2006
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Practice location Address checks out

1900 Grant St Ste 700
Denver, CO 80203-4310 Not confirmed with CMS for 17 years — call before visiting
Phone: (303) 407-0521
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 3892 (OK)

Record details

NPI number1386692663
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMay 5, 2006
Last updated in NPPESDecember 9, 2008

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Also practisesPAIN MANAGEMENT
Medical schoolOKLAHOMA STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2000 (26 years in practice)
Group practice Anesthesia Medical Professionals Pllc — 104 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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 patients142
Services billed 162 a service is one billed item, such as a visit, a test or a procedure
Average patient age71

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 Anesthesia Medical Professionals PLLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 104 clinicians in the practice; 12 are shown here.

Other providers in Denver