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

Dr. Ian Sterling Tuznik, MD

Individual provider Orthopaedic Surgery Physician · NPI 1629310743

Dr. Ian Sterling Tuznik, MD practises Orthopedic Surgery in Travis AFB, California. Graduated from Georgetown University School of Medicine in 2007, 19 years ago. Practices with Adventist Health Physicians Network, a 632-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
19
Trained at
Georgetown University School of Medicine
Licensed in
CA
In the registry since
2013
Specialties on file
2
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

101 Bodin Cir 60MDG/SGCOO
Travis AFB, CA 94535
Phone: (707) 423-5394
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Adult Reconstructive Orthopaedic Surgery Physician (primary) Taxonomy 207XS0114X · Licence A172139 (CA)
Orthopaedic Surgery Physician Taxonomy 207X00000X · Licence A172139 (CA)

Record details

NPI number1629310743
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 27, 2013
Last updated in NPPESOctober 21, 2025
Certification dateOctober 21, 2025

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 2007 (19 years in practice)
Group practice Adventist Health Physicians Network — 632 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Procedures

From CMS Care Compare, which counts the procedures a clinician billed to Original Medicare and Medicare Advantage over a recent 12-month period. CMS reports a fixed list of common procedures, so this is not everything the clinician does. Counts of 10 or fewer are given as a range, because CMS withholds small numbers.

Hip replacement 1–10 times
Removal of tissue 1–10 times
Upper limb (arm) arthroscopy (minimally invasive joint repair) 1–10 times

The percentile compares how often this clinician performed the procedure with other clinicians who performed it, as CMS calculates it. It measures volume, not outcomes or skill.

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 patients84
Services billed 145 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. Those with a page here are linked.

  • Great Valley Home Health Home health agency · Tracy, CA · listed as Great Valley Home Health LLC
  • Adventist Health Lodi Memorial Hospital · Lodi, CA
  • Silverline Staff Home Health Home health agency · Fremont, CA

Colleagues at Adventist Health Physicians Network

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 632 clinicians in the practice; 12 are shown here.

Other providers in Travis AFB