Dr. Brian Sun Leo, MD

  • San Jose, CA
  • Family medicine physician
NPI1891970745PAC ID5597811778
Medicare patients, 2024
13
Part D claims, 2024
172
MIPS score, 2024
61
Hospital affiliations
1
Medical group
1
Practice address
2400 Moorpark Ave, Suites 100-118-204-212-220, San Jose, CA 95128
Practice phone
Call (408) 885-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Valley Health Center Moorpark

FQHC - Main Site · San Jose, California

See all 3 affiliations

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Dr. Brian Sun Leo is a family medicine physician in San Jose, California

Dr. Leo practices at Valley Health Center Moorpark in San Jose, California.

Dr. Leo's NPI, 1891970745, was assigned on January 9, 2008. Dr. Leo graduated from University Institute of Medicine 1 in 1991. Dr. Leo's California license number on file is A101701.

NPI and contact details
Medicare PAC ID
5597811778
NPI enumeration date
January 9, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(408) 885-5000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
61
Medical school graduation
1991

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

Dr. Brian Sun Leo practices at Valley Health Center Moorpark in San Jose, California

Dr. Leo's primary practice is Valley Health Center Moorpark, at 2400 Moorpark Ave, Suites 100-118-204-212-220, San Jose, CA 95128 in Santa Clara County. The practice phone is (408) 885-5000.

  • Valley Health Center Moorpark
    2400 Moorpark Ave, Suites 100-118-204-212-220, San Jose, CA 95128 · Santa Clara CountyPhone(408) 885-5000

Source: Dmand AI Affiliation Data

Dr. Brian Sun Leo is affiliated with 2 sites of care and 1 medical group

Dr. Leo's primary practice is Valley Health Center Moorpark in San Jose, California. Dr. Leo is also affiliated with Santa Clara Valley Medical Center. The medical group on file is County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic.

See all 3 affiliations for Dr. Leo

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

Dmand AI tracks the EHR system at Dr. Brian Sun Leo's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leo practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Valley Health Center MoorparkAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Brian Sun Leo is one of 15,680 family medicine physicians in California

Family medicine is Dr. Leo's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Leo is board certified in family medicine by the American Board of Family Medicine. Dr. Leo has a license on file in California.

Specialties and state licenses

  • Family medicine, CaliforniaPrimaryLicense A101701 · 2007 to 2025 · taxonomy 207Q00000X

Clinical focus

Dmand AI lists acute skin infection, aneurysm, contact dermatitis, dry eye, eyelid inflammation, hemorrhoids, joint pain and pneumonia among the conditions Dr. Leo treats.

Family medicine physicians near Dr. Leo

Counts of family medicine physicians 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. Brian Sun Leo treated 13 Medicare patients in 2024, average age 69

CMS counts 13 Medicare patients who saw Dr. Leo in 2024. Their average risk score is 1.03, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Leo's median patient age at 67, with 56% women.

Medicare patients, 202413
Average age69
Average risk score1.03

Dr. Leo's patients across all payers

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

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women56%
  • Men43%

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

Dr. Brian Sun Leo wrote 172 Medicare Part D claims in 2024

In 2024, Dr. Leo wrote 172 Medicare Part D claims for 110 patients. 84% of them were for generic drugs. CMS names the drug for 23 of them, across 2 drugs with 11 or more claims each, at $102 in total drug cost. In 2023, CMS named 13 claims across 1 drug.

Part D claims, 2024172
Drugs named by CMS2
Total drug cost$102
Part D patients110

Dr. Leo's Part D claims by kind of drug, 2024

  • Generic144 claims84%
  • Brand-name and other28 claims16%

Dr. Leo'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. Leo's Part D claims, 2024

  • Antibiotics23%39 of 172 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: 132024: 2377%

Drugs named by CMS: 2 in 2024, 1 in 2023.

See all prescribing by Dr. Leo

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. Brian Sun Leo scored 61 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 61 out of 100 for Dr. Leo for performance year 2024, reported as part of a group. Dr. Leo accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Leo's MIPS scores, performance year 2024

  • 61of 100Final score
  • 59.4of 100Quality
  • 0of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 71of 100Cost

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

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

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Dr. Brian Sun Leo has 1 award and honors on record

Dmand AI lists 1 award for Dr. Leo, most recently CMS Stage 1 2012 in 2011.

Awards and honors for Dr. Leo

  1. 2011
    • CMS Stage 1 2012

Source: Dmand AI Professional Profile Data

Dr. Brian Sun Leo graduated from University Institute of Medicine 1

Dr. Leo graduated from University Institute of Medicine 1 in 1991.

  1. Medical schoolUniversity Institute of Medicine 1
  2. Board certified in family medicineAmerican Board of Family Medicine
  3. Board certified in geriatric medicineAmerican Board of Family Medicine

Source: Dmand AI Professional Profile Data

Dr. Brian Sun Leo accepts plans from 9 insurance carriers

Dr. Leo is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare
  • +1 more carriersWith a free account

Plan types Dr. Leo accepts, by number of carriers

  1. Medicare8
  2. PPO6
  3. EPO3
  4. HMO3
  5. POS2

Source: Dmand AI Insurance Network Data

Sources for Dr. Brian Sun Leo'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 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)
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. Brian Sun Leo

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. Brian Sun Leo's NPI number?

Dr. Brian Sun Leo's NPI number is 1891970745. It was assigned on January 9, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Brian Sun Leo?

Dr. Brian Sun Leo is a family medicine physician in San Jose, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).

Where does Dr. Brian Sun Leo practice?

Dr. Leo practices at 2400 Moorpark Ave, Suites 100-118-204-212-220, San Jose, CA 95128. Dr. Leo's primary practice is Valley Health Center Moorpark in San Jose, California.

What is Dr. Brian Sun Leo's office phone number?

The practice phone on file for Dr. Leo is (408) 885-5000.

What is Dr. Brian Sun Leo's medical license number?

Dr. Leo's California license number on file is A101701.

Which hospitals is Dr. Brian Sun Leo affiliated with?

Dr. Leo is affiliated with Santa Clara Valley Medical Center.

What medical group is Dr. Brian Sun Leo part of?

Dr. Leo is linked to County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic.

Does Dr. Brian Sun Leo accept Medicare?

Yes. CMS lists Dr. Leo as accepting Medicare assignment.

What is Dr. Brian Sun Leo's MIPS score?

Dr. Leo's MIPS final score for performance year 2024 is 61 out of 100, reported as part of a group.

How many Medicare patients does Dr. Brian Sun Leo see?

CMS counts 13 Medicare patients who saw Dr. Leo in 2024, with an average age of 69.

Show 5 more questionsShow fewer questions

Is Dr. Brian Sun Leo board certified?

Yes. Dr. Leo is board certified in family medicine by the American Board of Family Medicine.

Where did Dr. Brian Sun Leo go to medical school?

Dr. Leo graduated from University Institute of Medicine 1 in 1991.

What drugs does Dr. Brian Sun Leo prescribe most?

In 2024 Medicare Part D data, Dr. Leo's most prescribed drugs by claims were Ibuprofen and Cephalexin.

How long has Dr. Brian Sun Leo been practicing?

Dr. Leo graduated from medical school in 1991, 35 years ago.

What insurance does Dr. Brian Sun Leo accept?

Dr. Leo is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

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