Dr. Ian Sterling Tuznik, MD

  • Travis Afb, CA
  • Orthopedic surgeon
NPI1629310743PAC ID8729342555
Medicare services, 2024
59
Medicare patients, 2024
84
Part D claims, 2024
30
MIPS score, 2024
96
Hospital affiliations
2
Practice address
101 Bodin Cir Bldg 777, Travis Afb, CA 94535
Practice phone
Call (707) 423-7300
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

David Grant USAF Medical Center

Hospital · Travis Afb, California

See all 8 affiliations

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Dr. Ian Sterling Tuznik is an orthopedic surgeon in Travis Afb, California

Dr. Tuznik practices at David Grant USAF Medical Center in Travis Afb, California, part of United States Department of War.

Dr. Tuznik's NPI, 1629310743, was assigned on March 27, 2013. Dr. Tuznik graduated from Georgetown University School Of Medicine in 2013. Dr. Tuznik holds Virginia license 0101257662.

NPI and contact details
Medicare PAC ID
8729342555
NPI enumeration date
March 27, 2013
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(707) 423-7300
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
45
Medical school graduation
2013

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Ian Sterling Tuznik practices at David Grant USAF Medical Center in Travis Afb, California

Dr. Tuznik's primary practice is David Grant USAF Medical Center, at 101 Bodin Cir Bldg 777, Travis Afb, CA 94535 in Solano County. The practice phone is (707) 423-7300.

Source: Dmand AI Affiliation Data

Dr. Ian Sterling Tuznik is affiliated with 5 sites of care and 3 medical groups

Dr. Tuznik's primary practice is David Grant USAF Medical Center in Travis Afb, California, part of United States Department of War. Dr. Tuznik is also affiliated with Adventist Health Lodi Memorial. The medical group on file is UC Davis Medical Group. Dmand AI also links Dr. Tuznik to 2 more home health agencies, 2 medical groups and 1 group practice or clinic, each named with a free account. Dr. Tuznik's employer is on file too: a hospital.

See all 8 affiliations for Dr. Tuznik

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Ian Sterling Tuznik's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tuznik practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
David Grant USAF Medical CenterAvailable with a free account
+4 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Ian Sterling Tuznik is one of 2,056 orthopedic surgeons in California

Orthopaedic surgery is Dr. Tuznik's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Tuznik is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dmand AI has Dr. Tuznik's licenses on file in 2 states: Virginia and California.

Specialties and state licenses

  • Orthopaedic surgery, VirginiaPrimaryLicense 0101257662 · 2015 to 2026 · taxonomy 207X00000X
  • California license2021 to 2027

Clinical focus

Dmand AI lists amputation, arm, wrist, hand fracture and dislocation, arthritis, hip replacement, joint pain, orthopedic surgery of arms and legs and pelvic and hip fracture among the conditions Dr. Tuznik treats.

Orthopedic surgeons near Dr. Tuznik

Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Ian Sterling Tuznik billed Medicare for 59 services in 2024

CMS data shows 59 Medicare services from Dr. Tuznik across 4 procedure codes in 2024, for 84 Medicare patients. Medicare paid $8,585 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202459
Medicare patients84
Paid by Medicare$8,585
Procedure codes4

Dr. Tuznik's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 142024: 33136%
Surgery
2023: 02024: 26

Dr. Tuznik compared with the California median for orthopedic surgeons, 2024

  • Dr. Tuznik
  • California median
Medicare services
59vs 68391% below
Medicare patients
84vs 21561% below

Medians across 1,844 orthopedic surgeons in California with Dmand AI profiles that report each measure.

Dr. Tuznik's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Tuznik

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Ian Sterling Tuznik treated 84 Medicare patients in 2024, average age 75

CMS counts 84 Medicare patients who saw Dr. Tuznik in 2024. The largest group is 65 to 74, with 33 patients. 75% of them have arthritis, and 75% have high blood pressure. 29% are also on Medicaid. Their average risk score is 1.75, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Tuznik's median patient age at 68, with 30% women.

Medicare patients, 202484
Average age75
Average risk score1.75
Also on Medicaid29%

Dr. Tuznik's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Tuznik's Medicare patients by sex, 2024

  • Women4756%
  • Men3744%

Chronic conditions among Dr. Tuznik's Medicare patients, 2024

  1. Arthritis75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes42%
  5. Mood disorders38%
  6. Depression35%
  7. Anxiety31%
  8. Osteoporosis30%

Share of Medicare patients with each condition. A patient can have several.

Dr. Tuznik's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women30%
  • Men70%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Ian Sterling Tuznik wrote 30 Medicare Part D claims in 2024

In 2024, Dr. Tuznik wrote 30 Medicare Part D claims for 24 patients. 100% of them were for generic drugs.

Part D claims, 202430
Part D patients24

Drug classes CMS tracks in Dr. Tuznik's Part D claims, 2024

  • Antibiotics43%13 of 30 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Ian Sterling Tuznik scored 96 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Dr. Tuznik for performance year 2024, reported through an alternative payment model (APM). Dr. Tuznik accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Tuznik's MIPS scores, performance year 2024

  • 96of 100Final score
  • 81.5of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Hip replacement: 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Upper limb (arm) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Ian Sterling Tuznik received $15,348 in industry payments from 2016 to 2025

CMS Open Payments shows 141 general payments to Dr. Tuznik from 16 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 41% of the total. Zimmer Biomet Holdings, Inc. paid the most, $4,388.

General payments to Dr. Tuznik by program year, 2016 to 2025

General payments to Dr. Tuznik by kind, 2016 to 2025

$15.3Kin total
  • Travel and lodging$6,32541%
  • Food and beverage$5,10133%
  • Education$3,84925%
  • Consulting fees$730%

Companies that paid Dr. Tuznik the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Tuznik

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Ian Sterling Tuznik graduated from Georgetown University School Of Medicine

Dr. Tuznik graduated from Georgetown University School Of Medicine in 2013.

  1. Medical schoolGeorgetown University School Of Medicine
  2. Board certified in orthopaedic surgeryAmerican Board of Orthopaedic Surgery

Source: Dmand AI Professional Profile Data

Dr. Ian Sterling Tuznik accepts plans from 15 insurance carriers

Dr. Tuznik is in network with 15 carriers, including Aetna, Elevance and United Healthcare. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

Plan types Dr. Tuznik accepts, by number of carriers

  1. Medicare9
  2. PPO8
  3. HMO7
  4. EPO4
  5. POS4

Source: Dmand AI Insurance Network Data

Sources for Dr. Ian Sterling Tuznik's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Ian Sterling Tuznik

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Ian Sterling Tuznik's NPI number?

Dr. Ian Sterling Tuznik's NPI number is 1629310743. It was assigned on March 27, 2013, and it is active in the NPI Registry.

What kind of doctor is Dr. Ian Sterling Tuznik?

Dr. Ian Sterling Tuznik is an orthopedic surgeon in Travis Afb, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).

Where does Dr. Ian Sterling Tuznik practice?

Dr. Tuznik practices at 101 Bodin Cir Bldg 777, Travis Afb, CA 94535. Dr. Tuznik's primary practice is David Grant USAF Medical Center in Travis Afb, California, part of United States Department of War. Dmand AI also links Dr. Tuznik to 2 home health agencies, 2 medical groups and 1 group practice or clinic.

What is Dr. Ian Sterling Tuznik's office phone number?

The practice phone on file for Dr. Tuznik is (707) 423-7300.

What is Dr. Ian Sterling Tuznik's medical license number?

Dr. Tuznik holds Virginia license 0101257662, one of the licenses on file in 2 states.

Which states has Dr. Ian Sterling Tuznik been licensed in?

Dmand AI has state licenses on file for Dr. Tuznik in Virginia (2015 to 2026) and California (2021 to 2027).

Which hospitals is Dr. Ian Sterling Tuznik affiliated with?

Dr. Tuznik practices at David Grant USAF Medical Center in Travis Afb, California. Dr. Tuznik is also affiliated with Adventist Health Lodi Memorial.

What medical group is Dr. Ian Sterling Tuznik part of?

Dr. Tuznik is linked to UC Davis Medical Group. Dmand AI links Dr. Tuznik to 2 more medical groups.

Does Dr. Ian Sterling Tuznik accept Medicare?

Yes. CMS data shows Dr. Tuznik billed Medicare for 59 services in 2024, and Dr. Tuznik accepts Medicare assignment.

What is Dr. Ian Sterling Tuznik's MIPS score?

Dr. Tuznik's MIPS final score for performance year 2024 is 96 out of 100, reported through an alternative payment model (APM).

Show 7 more questionsShow fewer questions

How many Medicare patients does Dr. Ian Sterling Tuznik see?

CMS counts 84 Medicare patients who saw Dr. Tuznik in 2024, with an average age of 75.

Is Dr. Ian Sterling Tuznik board certified?

Yes. Dr. Tuznik is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.

What services does Dr. Ian Sterling Tuznik bill to Medicare?

In 2024, Dr. Tuznik's most billed Medicare services were hospital inpatient care (99222), surgery: bones and joints (27447) and surgery: bones and joints (27130).

Where did Dr. Ian Sterling Tuznik go to medical school?

Dr. Tuznik graduated from Georgetown University School Of Medicine in 2013.

Has Dr. Ian Sterling Tuznik received payments from drug or device companies?

CMS Open Payments shows $15,348 in general payments to Dr. Tuznik from 16 companies from 2016 to 2025. The largest total came from Zimmer Biomet Holdings, Inc.

How long has Dr. Ian Sterling Tuznik been practicing?

Dr. Tuznik graduated from medical school in 2013, 13 years ago.

What insurance does Dr. Ian Sterling Tuznik accept?

Dr. Tuznik is in network with 15 carriers, including Aetna, Elevance and United Healthcare. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

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