Dr. Victoria Lyo, MD

  • Sacramento, CA
  • General surgeon
NPI1649560632PAC ID3971734187
Medicare services, 2024
164
Medicare patients, 2024
109
Part D claims, 2024
69
Publications
28
MIPS score, 2024
83
Practice address
2315 Stockton Boulevard, Sacramento, CA 95817
Practice phone
Call (916) 734-2011
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UC Davis Medical Center

Hospital · Sacramento, California

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Dr. Victoria Lyo is a general surgeon in Sacramento, California

Dr. Lyo practices at UC Davis Medical Center in Sacramento, California, part of University of California Health.

Dr. Lyo's NPI, 1649560632, was assigned on April 12, 2011. Dr. Lyo graduated from UCSF School of Medicine in 2011. Dr. Lyo holds California license A123485.

NPI and contact details
Medicare PAC ID
3971734187
NPI enumeration date
April 12, 2011
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(916) 734-2011
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
41
Medical school graduation
2011

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

Dr. Victoria Lyo practices at UC Davis Medical Center in Sacramento, California

Dr. Lyo's primary practice is UC Davis Medical Center, at 2315 Stockton Boulevard, Sacramento, CA 95817 in Sacramento County. The practice phone is (916) 734-2011.

Source: Dmand AI Affiliation Data

Dr. Victoria Lyo is affiliated with 1 site of care and 1 medical group

Dr. Lyo's primary practice is UC Davis Medical Center in Sacramento, California, part of University of California Health. The medical group on file is UC Davis Medical Group.

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

Dmand AI tracks the EHR system at Dr. Victoria Lyo's practice

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

EHR by site
SiteEHR vendor and product
UC Davis Medical CenterAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Victoria Lyo is one of 2,926 general surgeons in California

Surgery is Dr. Lyo's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Lyo is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Lyo's licenses on file in 2 states: California and Oregon.

Specialties and state licenses

  • Surgery, CaliforniaPrimaryLicense A123485 · 2012 to 2026 · taxonomy 208600000X
  • Oregon licenseLicense MD188154 · 2018 to 2021

Clinical focus

Dmand AI lists abdominal adhesion surgery, abdominal hernia repair surgery, esophagus, stomach, or upper small intestine surgery, gallbladder removal, groin hernia surgery and upper GI endoscopy among the conditions Dr. Lyo treats.

General surgeons near Dr. Lyo

Counts of general 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. Victoria Lyo billed Medicare for 164 services in 2024

CMS data shows 164 Medicare services from Dr. Lyo across 6 procedure codes in 2024, for 109 Medicare patients. Medicare paid $27,566 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024164
Medicare patients109
Paid by Medicare$27,566
Procedure codes6

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

  • 2023
  • 2024
Office and hospital visits
2023: 582024: 8547%
Other services
2023: 372024: 6473%
Surgery
2023: 02024: 15

Dr. Lyo compared with the California median for general surgeons, 2024

  • Dr. Lyo
  • California median
Medicare services
164vs 166Close to median
Medicare patients
109vs 12110% below
Part D claims
28vs 3418% below

Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.

Dr. Lyo'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. Lyo

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

Dr. Victoria Lyo treated 109 Medicare patients in 2024, average age 69

CMS counts 109 Medicare patients who saw Dr. Lyo in 2024. The largest group is 65 to 74, with 42 patients. 73% of them have high blood pressure, and 66% have high cholesterol. 40% are also on Medicaid. Their average risk score is 1.60, 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. Lyo's median patient age at 56, with 68% women.

Medicare patients, 2024109
Average age69
Average risk score1.60
Also on Medicaid40%

Dr. Lyo's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Lyo's Medicare patients by sex, 2024

  • Women7569%
  • Men3431%

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

  1. High blood pressure73%
  2. High cholesterol66%
  3. Arthritis58%
  4. Mood disorders42%
  5. Depression40%
  6. Anxiety37%
  7. Diabetes33%
  8. Ischemic heart disease22%

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

Dr. Lyo's patients across all payers

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

Patient panel by age, all payers

Median age 56

Patient panel by sex, all payers

  • Women68%
  • Men32%

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

Dr. Victoria Lyo wrote 69 Medicare Part D claims in 2024

In 2024, Dr. Lyo wrote 69 Medicare Part D claims for 28 patients. 100% of them were for generic drugs. CMS names the drug for 28 of them, across 2 drugs with 11 or more claims each, at $188 in total drug cost. In 2023, CMS named 46 claims across 3 drugs.

Part D claims, 202469
Drugs named by CMS2
Total drug cost$188
Part D patients28

Dr. Lyo's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

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

  • Opioids17%12 of 69 claims

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

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 462024: 2839%

Drugs named by CMS: 2 in 2024, 3 in 2023.

See all prescribing by Dr. Lyo

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Victoria Lyo scored 83 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Lyo for performance year 2024, reported as part of a group. Dr. Lyo accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lyo as offering telehealth. CMS counts 14 procedures of hernia repair (minimally invasive) by Dr. Lyo, more than 80% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Lyo's MIPS scores, performance year 2024

  • 83of 100Final score
  • 64.8of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 69of 100Cost

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

Where Dr. Lyo ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
56th percentile32 procedures
Hernia repair (minimally invasive)
80th percentile14 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

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. Victoria Lyo has 28 publications on record

Dmand AI links 28 papers to Dr. Lyo, published from 2010 to 2025. 2024 was the busiest year, with 6. The most frequent topics are Obesity, Morbid, Bariatric Surgery and Gastric Bypass. Dr. Lyo has published most often in Surg Obes Relat Dis. Dr. Lyo's most frequent co-authors are Mohamed Reda Ali, MD, Shushmita Mehjabin Ahmed, MD and Benjamin Lee Clapp, MD.

Papers28
Years published2010 to 2025

Dr. Lyo's papers by year, 2010 to 2025

Topics Dr. Lyo writes about most

  • Obesity, Morbid
  • Bariatric Surgery
  • Gastric Bypass
  • Weight Loss
  • Laparoscopy
  • Postoperative Complications
  • Disease Models, Animal
  • Gastrectomy

Dr. Lyo's most frequent co-authors

Recent publications by Dr. Lyo

See all 28 publications and co-authors

See who Dr. Lyo researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lyo works with, so you can find a warm path to the right general surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Victoria Lyo received $7,111 in industry payments from 2016 to 2025

CMS Open Payments shows 40 general payments to Dr. Lyo from 6 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 66% of the total. Intuitive Surgical, Inc. paid the most, $4,619.

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

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

$7.1Kin total
  • Travel and lodging$4,72566%
  • Food and beverage$1,36419%
  • Education$1,02214%

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

Share is of all general payments to this clinician.

See all payments to Dr. Lyo

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

Dr. Victoria Lyo has 1 award and honors on record

Dmand AI lists 1 award for Dr. Lyo.

Awards and honors for Dr. Lyo

  1. Undated
    • ACS Fellow

Source: Dmand AI Professional Profile Data

Dr. Victoria Lyo graduated from UCSF School of Medicine

Dr. Lyo graduated from UCSF School of Medicine in 2011. Dr. Lyo is a member of ACS.

  1. Medical schoolUCSF School of Medicine
  2. Board certified in surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. Victoria Lyo accepts plans from 5 insurance carriers

Dr. Lyo is in network with 5 carriers, including Aetna, United Healthcare and Blue Cross and Blue Shield of Kansas City. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.

  • Aetna
  • United Healthcare
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare
  • NV State Medicaid

Plan types Dr. Lyo accepts, by number of carriers

  1. Medicare3
  2. EPO2
  3. HMO2
  4. POS2
  5. PPO2
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Victoria Lyo'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 and Drug (CMS) (opens in a new tab)Medicare 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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
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. Victoria Lyo

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. Victoria Lyo's NPI number?

Dr. Victoria Lyo's NPI number is 1649560632. It was assigned on April 12, 2011, and it is active in the NPI Registry.

What kind of doctor is Dr. Victoria Lyo?

Dr. Victoria Lyo is a general surgeon in Sacramento, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Victoria Lyo practice?

Dr. Lyo practices at 2315 Stockton Boulevard, Sacramento, CA 95817. Dr. Lyo's primary practice is UC Davis Medical Center in Sacramento, California, part of University of California Health.

What is Dr. Victoria Lyo's office phone number?

The practice phone on file for Dr. Lyo is (916) 734-2011.

What is Dr. Victoria Lyo's medical license number?

Dr. Lyo holds California license A123485, one of the licenses on file in 2 states.

Which states has Dr. Victoria Lyo been licensed in?

Dmand AI has state licenses on file for Dr. Lyo in California (2012 to 2026) and Oregon (2018 to 2021).

Which hospitals is Dr. Victoria Lyo affiliated with?

Dr. Lyo practices at UC Davis Medical Center in Sacramento, California.

What medical group is Dr. Victoria Lyo part of?

Dr. Lyo is linked to UC Davis Medical Group.

Does Dr. Victoria Lyo accept Medicare?

Yes. CMS data shows Dr. Lyo billed Medicare for 164 services in 2024, and Dr. Lyo accepts Medicare assignment.

Does Dr. Victoria Lyo offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Lyo as offering telehealth services.

Show 11 more questionsShow fewer questions

What is Dr. Victoria Lyo's MIPS score?

Dr. Lyo's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.

How many Medicare patients does Dr. Victoria Lyo see?

CMS counts 109 Medicare patients who saw Dr. Lyo in 2024, with an average age of 69.

Is Dr. Victoria Lyo board certified?

Yes. Dr. Lyo is board certified in surgery by the American Board of Surgery.

What services does Dr. Victoria Lyo bill to Medicare?

In 2024, Dr. Lyo's most billed Medicare services were office visit, new patient (99205), medicare service (G2211) and medicare service (G2212).

Where did Dr. Victoria Lyo go to medical school?

Dr. Lyo graduated from UCSF School of Medicine in 2011.

What drugs does Dr. Victoria Lyo prescribe most?

In 2024 Medicare Part D data, Dr. Lyo's most prescribed drugs by claims were Famotidine and Omeprazole.

Has Dr. Victoria Lyo received payments from drug or device companies?

CMS Open Payments shows $7,111 in general payments to Dr. Lyo from 6 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Victoria Lyo been practicing?

Dr. Lyo graduated from medical school in 2011, 15 years ago.

Does Dr. Victoria Lyo do research?

Dmand AI links 28 publications to Dr. Lyo, published from 2010 to 2025.

Who does Dr. Victoria Lyo publish with?

Dr. Lyo's most frequent co-authors are Mohamed Reda Ali, MD (6 shared papers), Shushmita Mehjabin Ahmed, MD (5 shared papers) and Benjamin Lee Clapp, MD (4 shared papers).

What insurance does Dr. Victoria Lyo accept?

Dr. Lyo is in network with 5 carriers, including Aetna, United Healthcare and Blue Cross and Blue Shield of Kansas City. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.

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