Stephen Villa Jr.

  • Sylmar, CA
  • Emergency medicine physician
NPI1538553755
Medicare services, 2024
200
Medicare patients, 2024
211
Part D claims, 2024
37
Publications
1
MIPS score, 2024
100
Practice address
14445 Olive View Drive, Sylmar, CA 91342
Practice phone
Call (818) 364-1555
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Olive View-UCLA Medical Center

Hospital · Sylmar, California

See all 2 affiliations

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Stephen Villa Jr. is an emergency medicine physician in Sylmar, California

Stephen Villa practices at Olive View-UCLA Medical Center in Sylmar, California, part of County of Los Angeles.

Stephen Villa's NPI, 1538553755, was assigned on March 25, 2015. Stephen Villa graduated from UCSF School of Medicine in 2014. Stephen Villa holds California license A145811.

NPI and contact details
NPI enumeration date
March 25, 2015
NPI status
Active
Practice phone
(818) 364-1555
Professional email
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Personal email
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Mobile number
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Sex
Male
Medical school graduation
2014

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

Stephen Villa Jr. practices at Olive View-UCLA Medical Center in Sylmar, California

Stephen Villa's primary practice is Olive View-UCLA Medical Center, at 14445 Olive View Drive, Sylmar, CA 91342 in Los Angeles County. The practice phone is (818) 364-1555.

Source: Dmand AI Affiliation Data

Stephen Villa Jr. is affiliated with 1 site of care and 1 medical group

Stephen Villa's primary practice is Olive View-UCLA Medical Center in Sylmar, California, part of County of Los Angeles. The medical group on file is Harbor-UCLA Medical Center. Stephen Villa's employer is on file too: a hospital.

See all 2 affiliations for Stephen Villa

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

Dmand AI tracks the EHR system at Stephen Villa Jr.'s practice

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

EHR by site
SiteEHR vendor and product
Olive View-UCLA Medical CenterAvailable with a free account

Source: Dmand AI Technology Install Data

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Stephen Villa Jr. is one of 7,423 emergency medicine physicians in California

Emergency medicine is Stephen Villa's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Stephen Villa is board certified in emergency medicine by the American Board of Emergency Medicine. Stephen Villa is licensed in California.

Specialties and state licenses

  • Emergency medicine, CaliforniaPrimaryLicense A145811 · 2016 to 2026 · taxonomy 207P00000X

Emergency medicine physicians near Stephen Villa

Counts of emergency 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

Stephen Villa Jr. billed Medicare for 200 services in 2024

CMS data shows 200 Medicare services from Stephen Villa across 3 procedure codes in 2024, for 211 Medicare patients. Medicare paid $27,785 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024200
Medicare patients211
Paid by Medicare$27,785
Procedure codes3

Stephen Villa's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2462024: 20019%

Stephen Villa compared with the California median for emergency medicine physicians, 2024

  • Stephen Villa
  • California median
Medicare services
200vs 26525% below
Medicare patients
211vs 24313% below

Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.

Stephen Villa'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 Stephen Villa

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Medicare shows one payer. Book a meeting to get commercial claims data for Stephen Villa and other emergency medicine physicians in California.

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

Stephen Villa Jr. treated 211 Medicare patients in 2024, average age 72

CMS counts 211 Medicare patients who saw Stephen Villa in 2024. The largest group is 65 to 74, with 81 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 45% are also on Medicaid. Their average risk score is 2.72, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Stephen Villa's median patient age at 46, with 50% women.

Medicare patients, 2024211
Average age72
Average risk score2.72
Also on Medicaid45%

Stephen Villa's Medicare patients by age, 2024

Stephen Villa's Medicare patients by sex, 2024

  • Women10751%
  • Men10449%

Chronic conditions among Stephen Villa's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis61%
  4. Ischemic heart disease48%
  5. Mood disorders42%
  6. Anxiety41%
  7. Diabetes39%
  8. Chronic kidney disease38%

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

Stephen Villa's patients across all payers

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

Patient panel by age, all payers

Median age 46

Patient panel by sex, all payers

  • Women50%
  • Men50%

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

Stephen Villa Jr. wrote 37 Medicare Part D claims in 2024

In 2024, Stephen Villa wrote 37 Medicare Part D claims for 26 patients. 95% of them were for generic drugs.

Part D claims, 202437
Part D patients26

Stephen Villa's Part D claims by kind of drug, 2024

  • Generic35 claims95%
  • Brand-name and other2 claims5%

Drug classes CMS tracks in Stephen Villa's Part D claims, 2024

  • Antibiotics49%18 of 37 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

Stephen Villa Jr. scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Stephen Villa for performance year 2024, reported as part of a group.

Stephen Villa's MIPS scores, performance year 2024

  • 100of 100Final score
  • 93.3of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 80of 100Cost

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

Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Stephen Villa Jr. has 1 publication on record

Dmand AI links 1 paper to Stephen Villa. Stephen Villa's most frequent co-authors are Christopher Fee, MD, Steven K. Polevoi, MD and Ellen J. Weber, MD.

Papers1

Stephen Villa's most frequent co-authors

Recent publications by Stephen Villa

See all 1 publications and co-authors

See who Stephen Villa researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Stephen Villa works with, so you can find a warm path to the right emergency medicine physicians.

How network discovery works

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

Stephen Villa Jr. graduated from UCSF School of Medicine

Stephen Villa graduated from UCSF School of Medicine in 2014.

  1. Medical schoolUCSF School of Medicine
  2. Board certified in emergency medicineAmerican Board of Emergency Medicine

Source: Dmand AI Professional Profile Data

Stephen Villa Jr. accepts plans from 5 insurance carriers

Stephen Villa is in network with 5 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.

  • United Healthcare
  • Aspirus Health Plan
  • Blue Cross and Blue Shield of Kansas City
  • Elevance
  • HCSC

Plan types Stephen Villa accepts, by number of carriers

  1. PPO3
  2. POS2
  3. EPO1
  4. HMO1
  5. Medicare1

Source: Dmand AI Insurance Network Data

Sources for Stephen Villa Jr.'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 percentilesClinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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 Stephen Villa Jr.

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

What is Stephen Villa Jr.'s NPI number?

Stephen Villa Jr.'s NPI number is 1538553755. It was assigned on March 25, 2015, and it is active in the NPI Registry.

What does Stephen Villa Jr. specialize in?

Stephen Villa Jr. is an emergency medicine physician in Sylmar, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Stephen Villa Jr. practice?

Stephen Villa practices at 14445 Olive View Drive, Sylmar, CA 91342. Stephen Villa's primary practice is Olive View-UCLA Medical Center in Sylmar, California, part of County of Los Angeles.

What is Stephen Villa Jr.'s office phone number?

The practice phone on file for Stephen Villa is (818) 364-1555.

What is Stephen Villa Jr.'s medical license number?

Stephen Villa holds California license A145811.

Which hospitals is Stephen Villa Jr. affiliated with?

Stephen Villa practices at Olive View-UCLA Medical Center in Sylmar, California.

What medical group is Stephen Villa Jr. part of?

Stephen Villa is linked to Harbor-UCLA Medical Center.

Does Stephen Villa Jr. accept Medicare?

Yes. CMS data shows Stephen Villa billed Medicare for 200 services in 2024.

What is Stephen Villa Jr.'s MIPS score?

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

How many Medicare patients does Stephen Villa Jr. see?

CMS counts 211 Medicare patients who saw Stephen Villa in 2024, with an average age of 72.

Show 7 more questionsShow fewer questions

Is Stephen Villa Jr. board certified?

Yes. Stephen Villa is board certified in emergency medicine by the American Board of Emergency Medicine.

What services does Stephen Villa Jr. bill to Medicare?

In 2024, Stephen Villa's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).

Where did Stephen Villa Jr. go to medical school?

Stephen Villa graduated from UCSF School of Medicine in 2014.

How long has Stephen Villa Jr. been practicing?

Stephen Villa graduated from medical school in 2014, 12 years ago.

Does Stephen Villa Jr. do research?

Dmand AI links 1 publication to Stephen Villa.

Who does Stephen Villa Jr. publish with?

Stephen Villa's most frequent co-authors are Christopher Fee, MD (1 shared paper), Steven K. Polevoi, MD (1 shared paper) and Ellen J. Weber, MD (1 shared paper).

What insurance does Stephen Villa Jr. accept?

Stephen Villa is in network with 5 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.

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