Dr. James Cernilia, MD

  • Riverside, CA
  • Cardiothoracic surgeon
NPI1891804423PAC ID5092798595
Medicare services, 2024
16
Medicare patients, 2024
19
Part D claims, 2024
25
Publications
2
Hospital affiliations
2
Practice address
4445 Magnolia Avenue, Riverside, CA 92501
Practice phone
Call (951) 788-3000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Riverside Community Hospital

Hospital · Riverside, California

See all 4 affiliations

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Dr. James Cernilia is a cardiothoracic surgeon in Riverside, California

Dr. Cernilia practices at Riverside Community Hospital in Riverside, California, part of HCA Healthcare.

Dr. Cernilia's NPI, 1891804423, was assigned on August 29, 2006. Dr. Cernilia graduated from Tulane School of Medicine in 1990. Dr. Cernilia holds California license A49898.

NPI and contact details
Medicare PAC ID
5092798595
NPI enumeration date
August 29, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(951) 788-3000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
62
Medical school graduation
1990

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

Dr. James Cernilia practices at Riverside Community Hospital in Riverside, California

Dr. Cernilia's primary practice is Riverside Community Hospital, at 4445 Magnolia Avenue, Riverside, CA 92501 in Riverside County. The practice phone is (951) 788-3000.

Source: Dmand AI Affiliation Data

Dr. James Cernilia is affiliated with 3 sites of care and 1 medical group

Dr. Cernilia's primary practice is Riverside Community Hospital in Riverside, California, part of HCA Healthcare. Dr. Cernilia is also affiliated with Temecula Valley Hospital. The medical group on file is Synergy Cardiothoracic (CT) Surgery Partnership. Dmand AI also links Dr. Cernilia to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Cernilia

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

Dmand AI tracks the EHR system at Dr. James Cernilia's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cernilia practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Riverside Community HospitalAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. James Cernilia is one of 568 cardiothoracic surgeons in California

Thoracic surgery (cardiothoracic vascular surgery) is Dr. Cernilia's primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dr. Cernilia is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Cernilia's licenses on file in 3 states: California, Louisiana and Illinois.

Specialties and state licenses

  • Thoracic surgery (cardiothoracic vascular surgery), CaliforniaPrimaryLicense A49898 · 1991 to 2027 · taxonomy 208G00000X
  • Louisiana license1996 to 2025
  • Illinois license1999 to 2002

Cardiothoracic surgeons near Dr. Cernilia

Counts of cardiothoracic 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. James Cernilia billed Medicare for 16 services in 2024

CMS data shows 16 Medicare services from Dr. Cernilia across 1 procedure code in 2024, for 19 Medicare patients. Medicare paid $3,376 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202416
Medicare patients19
Paid by Medicare$3,376
Procedure codes1

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

  • 2023
  • 2024
Surgery
2023: 172024: 166%

Dr. Cernilia compared with the California median for cardiothoracic surgeons, 2024

  • Dr. Cernilia
  • California median
Medicare services
16vs 11486% below
Medicare patients
19vs 9580% below
Part D claims
12vs 1937% below

Medians across 453 cardiothoracic surgeons in California with Dmand AI profiles that report each measure.

Dr. Cernilia'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. Cernilia

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Cernilia and other cardiothoracic surgeons in California.

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

Dr. James Cernilia treated 19 Medicare patients in 2024, average age 71

CMS counts 19 Medicare patients who saw Dr. Cernilia in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.33, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Cernilia's median patient age at 67, with 20% women.

Medicare patients, 202419
Average age71
Average risk score1.33

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease75%
  4. Heart failure68%
  5. Atrial fibrillation63%

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

Dr. Cernilia'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

  • Women20%
  • Men78%

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

Dr. James Cernilia wrote 25 Medicare Part D claims in 2024

In 2024, Dr. Cernilia wrote 25 Medicare Part D claims. 48% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $111 in total drug cost. In 2023, CMS named 24 claims across 2 drugs.

Part D claims, 202425
Drugs named by CMS1
Total drug cost$111

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

  • Generic12 claims48%
  • Brand-name13 claims52%

Dr. Cernilia'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 242024: 1250%

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

See all prescribing by Dr. Cernilia

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. James Cernilia ranks in the 72nd percentile for coronary artery bypass graft (cabg) in Medicare

Dr. Cernilia accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 22 procedures of coronary artery bypass graft (cabg) by Dr. Cernilia, more than 72% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Cernilia ranks in Medicare procedure volume

Coronary artery bypass graft (CABG)
72nd percentile22 procedures

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

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. James Cernilia has 2 publications on record

Dmand AI links 2 papers to Dr. Cernilia. Dr. Cernilia's most frequent co-authors are Curtis R. Duffield, MD, Jeffrey C. Lin, MD and Kenneth Waxman, MD.

Papers2

Dr. Cernilia's most frequent co-authors

Recent publications by Dr. Cernilia

See all 2 publications and co-authors

See who Dr. Cernilia researches with

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

How network discovery works

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

Dr. James Cernilia received $490 in industry payments from 2020 to 2025

CMS Open Payments shows 16 general payments to Dr. Cernilia from 3 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 100% of the total. Edwards Lifesciences Corporation paid the most, $366.

General payments to Dr. Cernilia by program year, 2020 to 2025

Companies that paid Dr. Cernilia the most, 2020 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Cernilia

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

Dr. James Cernilia has 1 award and honors on record

Dmand AI lists 1 award for Dr. Cernilia.

Awards and honors for Dr. Cernilia

  1. Undated
    • ACS Fellow

Source: Dmand AI Professional Profile Data

Dr. James Cernilia graduated from Tulane School of Medicine

Dr. Cernilia graduated from Tulane School of Medicine in 1990. Dr. Cernilia is a member of ACS and STS.

  1. Medical schoolTulane School of Medicine
  2. Board certified in surgeryAmerican Board of Surgery
  3. Board certified in thoracic and cardiac surgeryAmerican Board of Thoracic Surgery

Source: Dmand AI Professional Profile Data

Dr. James Cernilia accepts plans from 2 insurance carriers

Dr. Cernilia is in network with 2 carriers, including Aetna and CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • Aetna
  • CMS Medicare

Plan types Dr. Cernilia accepts, by number of carriers

  1. Medicare1
  2. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. James Cernilia'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)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. James Cernilia

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. James Cernilia's NPI number?

Dr. James Cernilia's NPI number is 1891804423. It was assigned on August 29, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. James Cernilia?

Dr. James Cernilia is a cardiothoracic surgeon in Riverside, California. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).

Where does Dr. James Cernilia practice?

Dr. Cernilia practices at 4445 Magnolia Avenue, Riverside, CA 92501. Dr. Cernilia's primary practice is Riverside Community Hospital in Riverside, California, part of HCA Healthcare. Dmand AI also links Dr. Cernilia to 1 group practice or clinic.

What is Dr. James Cernilia's office phone number?

The practice phone on file for Dr. Cernilia is (951) 788-3000.

What is Dr. James Cernilia's medical license number?

Dr. Cernilia holds California license A49898, one of the licenses on file in 3 states.

Which states has Dr. James Cernilia been licensed in?

Dmand AI has state licenses on file for Dr. Cernilia in California (1991 to 2027), Louisiana (1996 to 2025) and Illinois (1999 to 2002).

Which hospitals is Dr. James Cernilia affiliated with?

Dr. Cernilia practices at Riverside Community Hospital in Riverside, California. Dr. Cernilia is also affiliated with Temecula Valley Hospital.

What medical group is Dr. James Cernilia part of?

Dr. Cernilia is linked to Synergy Cardiothoracic (CT) Surgery Partnership.

Does Dr. James Cernilia accept Medicare?

Yes. CMS data shows Dr. Cernilia billed Medicare for 16 services in 2024, and Dr. Cernilia accepts Medicare assignment.

How many Medicare patients does Dr. James Cernilia see?

CMS counts 19 Medicare patients who saw Dr. Cernilia in 2024, with an average age of 71.

Show 9 more questionsShow fewer questions

Is Dr. James Cernilia board certified?

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

What services does Dr. James Cernilia bill to Medicare?

In 2024, Dr. Cernilia's most billed Medicare services were surgery: heart and blood vessels (33533).

Where did Dr. James Cernilia go to medical school?

Dr. Cernilia graduated from Tulane School of Medicine in 1990.

What drugs does Dr. James Cernilia prescribe most?

In 2024 Medicare Part D data, Dr. Cernilia's most prescribed drugs by claims were Metoprolol Succinate.

Has Dr. James Cernilia received payments from drug or device companies?

CMS Open Payments shows $490 in general payments to Dr. Cernilia from 3 companies from 2020 to 2025. The largest total came from Edwards Lifesciences Corporation.

How long has Dr. James Cernilia been practicing?

Dr. Cernilia graduated from medical school in 1990, 36 years ago.

Does Dr. James Cernilia do research?

Dmand AI links 2 publications to Dr. Cernilia.

Who does Dr. James Cernilia publish with?

Dr. Cernilia's most frequent co-authors are Curtis R. Duffield, MD (1 shared paper), Jeffrey C. Lin, MD (1 shared paper) and Kenneth Waxman, MD (1 shared paper).

What insurance does Dr. James Cernilia accept?

Dr. Cernilia is in network with 2 carriers, including Aetna and CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.

Selling to thoracic surgery (cardiothoracic vascular surgery) practices?

See cardiothoracic surgeons in California by site of care and group

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