Dr. Randall Jonathan Cornateanu, MD

  • Whittier, CA
  • General surgeon
NPI1043606429PAC ID3375824725
Medicare services, 2024
49
Medicare patients, 2026
72
Part D claims, 2022
70
MIPS score, 2026
79
Hospital affiliations
4
Practice address
12401 Washington Blvd, Whittier, CA 90602
Practice phone
Call (562) 698-0811
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

PIH Health Whittier Hospital

Hospital · Whittier, California

See all 11 affiliations

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Dr. Randall Jonathan Cornateanu is a general surgeon in Whittier, California

Dr. Cornateanu practices at PIH Health Whittier Hospital in Whittier, California, part of PIH Health.

Dr. Cornateanu's NPI, 1043606429, was assigned on April 13, 2015. Dr. Cornateanu graduated from Tel Aviv University Sackler in 2015. Dr. Cornateanu's California license number on file is 166732.

NPI and contact details
Medicare PAC ID
3375824725
NPI enumeration date
April 13, 2015
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(562) 698-0811
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
37
Medical school graduation
2015

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

Dr. Randall Jonathan Cornateanu practices at PIH Health Whittier Hospital in Whittier, California

Dr. Cornateanu's primary practice is PIH Health Whittier Hospital, at 12401 Washington Blvd, Whittier, CA 90602 in Los Angeles County. The practice phone is (562) 698-0811.

Source: Dmand AI Affiliation Data

Dr. Randall Jonathan Cornateanu is affiliated with 7 sites of care and 4 medical groups

Dr. Cornateanu's primary practice is PIH Health Whittier Hospital in Whittier, California, part of PIH Health. Dr. Cornateanu is also affiliated with UCI Health - Orange. The medical group on file is PIH Health Physicians. Dmand AI also links Dr. Cornateanu to 2 more hospitals, 3 medical groups, 2 physician offices and 1 group practice or clinic, each named with a free account.

See all 11 affiliations for Dr. Cornateanu

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

Dmand AI tracks the EHR system at Dr. Randall Jonathan Cornateanu's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cornateanu practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
PIH Health Whittier HospitalAvailable with a free account
+6 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Randall Jonathan Cornateanu is one of 2,926 general surgeons in California

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

Specialties and state licenses

  • Surgery, CaliforniaPrimaryLicense 166732 · 2019 to 2025 · taxonomy 208600000X
  • Louisiana license2015 to 2020

Clinical focus

Dmand AI lists appendectomy, bariatric surgery, colon removal and gallbladder removal among the conditions Dr. Cornateanu treats.

General surgeons near Dr. Cornateanu

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. Randall Jonathan Cornateanu billed Medicare for 49 services in 2024

CMS data shows 49 Medicare services from Dr. Cornateanu across 2 procedure codes in 2024, for 72 Medicare patients. Medicare paid $4,205 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202449
Medicare patients72
Paid by Medicare$4,205
Procedure codes2

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

  • Dr. Cornateanu
  • California median
Medicare services
49vs 16670% below
Medicare patients
72vs 12140% below
Part D claims
70vs 342.1 times

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

Dr. Cornateanu'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. Cornateanu

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

Dr. Randall Jonathan Cornateanu treated 72 Medicare patients in 2026, average age 73

CMS counts 72 Medicare patients who saw Dr. Cornateanu in 2026. The largest group is 65 to 74, with 34 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 54% are also on Medicaid. Their average risk score is 2.80, 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. Cornateanu's median patient age at 59, with 53% women.

Medicare patients, 202672
Average age73
Average risk score2.80
Also on Medicaid54%

Dr. Cornateanu's Medicare patients by age, 2026

CMS leaves out age groups with fewer than 11 patients.

Dr. Cornateanu's Medicare patients by sex, 2026

  • Women3853%
  • Men3447%

Chronic conditions among Dr. Cornateanu's Medicare patients, 2026

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes54%
  4. Arthritis44%
  5. Ischemic heart disease40%
  6. Chronic kidney disease35%
  7. Heart failure35%
  8. Anxiety33%

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

Dr. Cornateanu's patients across all payers

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

Patient panel by age, all payers

Median age 59

Patient panel by sex, all payers

  • Women53%
  • Men46%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data

Dr. Randall Jonathan Cornateanu wrote 70 Medicare Part D claims in 2022

In 2022, Dr. Cornateanu wrote 70 Medicare Part D claims. They cover 3 drugs, with $516 in total drug cost. In 2021, CMS named 26 claims across 2 drugs.

Part D claims, 202270
Drugs named by CMS3
Total drug cost$516

Dr. Cornateanu's most prescribed drugs by claims, 2022

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, 2021 to 2022

  • 2021
  • 2022
Claims for drugs CMS names
2021: 262022: 70169%

Drugs named by CMS: 3 in 2022, 2 in 2021.

See all prescribing by Dr. Cornateanu

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

Dr. Randall Jonathan Cornateanu scored 79 out of 100 in Medicare's MIPS program for 2026

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Dr. Cornateanu for performance year 2026, reported as part of a group. Dr. Cornateanu accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Cornateanu's MIPS scores, performance year 2026

  • 79of 100Final score
  • 58.7of 100Quality
  • 40of 100Improvement Activities
  • 75of 100Cost

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

Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)

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

Upper gastrointestinal (GI) endoscopy for acid reflux: 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), 2026 data; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Randall Jonathan Cornateanu received $35,118 in industry payments from 2019 to 2025

CMS Open Payments shows 94 general payments to Dr. Cornateanu from 14 drug and device companies from 2019 to 2025. Education make up the largest share, 64% of the total. Intuitive Surgical, Inc. paid the most, $32,301.

General payments to Dr. Cornateanu by program year, 2019 to 2025

General payments to Dr. Cornateanu by kind, 2019 to 2025

$35.1Kin total
  • Education$22,57564%
  • Speaker and faculty fees$7,00020%
  • Food and beverage$3,0059%
  • Travel and lodging$2,5377%

Companies that paid Dr. Cornateanu the most, 2019 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Cornateanu

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

Dr. Randall Jonathan Cornateanu graduated from Tel Aviv University Sackler

Dr. Cornateanu graduated from Tel Aviv University Sackler in 2015.

  1. Medical schoolTel Aviv University Sackler
  2. Board certified in surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. Randall Jonathan Cornateanu accepts plans from 12 insurance carriers

Dr. Cornateanu is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Humana
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Molina
  • Regence Health Plans
  • +4 more carriersWith a free account

Plan types Dr. Cornateanu accepts, by number of carriers

  1. Medicare9
  2. PPO8
  3. HMO5
  4. POS4
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Randall Jonathan Cornateanu'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)
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. Randall Jonathan Cornateanu

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. Randall Jonathan Cornateanu's NPI number?

Dr. Randall Jonathan Cornateanu's NPI number is 1043606429. It was assigned on April 13, 2015, and it is active in the NPI Registry.

What kind of doctor is Dr. Randall Jonathan Cornateanu?

Dr. Randall Jonathan Cornateanu is a general surgeon in Whittier, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Randall Jonathan Cornateanu practice?

Dr. Cornateanu practices at 12401 Washington Blvd, Whittier, CA 90602. Dr. Cornateanu's primary practice is PIH Health Whittier Hospital in Whittier, California, part of PIH Health. Dmand AI also links Dr. Cornateanu to 2 hospitals, 3 medical groups, 2 physician offices and 1 group practice or clinic, and a free account names each one.

What is Dr. Randall Jonathan Cornateanu's office phone number?

The practice phone on file for Dr. Cornateanu is (562) 698-0811. Dmand AI also checks direct phone and mobile numbers, available with a free account.

What is Dr. Randall Jonathan Cornateanu's email address?

Dmand AI checks professional and personal email addresses for Dr. Cornateanu through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.

What is Dr. Randall Jonathan Cornateanu's medical license number?

Dr. Cornateanu's California license number on file is 166732, one of the licenses on file in 2 states.

Which states has Dr. Randall Jonathan Cornateanu been licensed in?

Dmand AI has state licenses on file for Dr. Cornateanu in California (2019 to 2025) and Louisiana (2015 to 2020).

Which hospitals is Dr. Randall Jonathan Cornateanu affiliated with?

Dr. Cornateanu practices at PIH Health Whittier Hospital in Whittier, California. Dr. Cornateanu is also affiliated with UCI Health - Orange. Dmand AI links Dr. Cornateanu to 2 more hospitals, named with a free account.

What medical group is Dr. Randall Jonathan Cornateanu part of?

Dr. Cornateanu is linked to PIH Health Physicians. Dmand AI links Dr. Cornateanu to 3 more medical groups, named with a free account.

Who does Dr. Randall Jonathan Cornateanu practice with?

Dmand AI links 653 HCPs to Dr. Cornateanu's primary medical group, 23 of them general surgeons. A free account lists them, with verified contacts.

Show 11 more questionsShow fewer questions

Does Dr. Randall Jonathan Cornateanu accept Medicare?

Yes. CMS data shows Dr. Cornateanu billed Medicare for 49 services in 2024, and Dr. Cornateanu accepts Medicare assignment.

What is Dr. Randall Jonathan Cornateanu's MIPS score?

Dr. Cornateanu's MIPS final score for performance year 2026 is 79 out of 100, reported as part of a group.

How many Medicare patients does Dr. Randall Jonathan Cornateanu see?

CMS counts 72 Medicare patients who saw Dr. Cornateanu in 2026, with an average age of 73.

Is Dr. Randall Jonathan Cornateanu board certified?

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

What services does Dr. Randall Jonathan Cornateanu bill to Medicare?

In 2024, Dr. Cornateanu's most billed Medicare services were hospital inpatient care (99222) and hospital inpatient care (99232).

Where did Dr. Randall Jonathan Cornateanu go to medical school?

Dr. Cornateanu graduated from Tel Aviv University Sackler in 2015.

What drugs does Dr. Randall Jonathan Cornateanu prescribe most?

In 2022 Medicare Part D data, Dr. Cornateanu's most prescribed drugs by claims were Oxycodone-Acetaminophen, Hydrocodone-Acetaminophen and Ondansetron HCl.

Has Dr. Randall Jonathan Cornateanu received payments from drug or device companies?

CMS Open Payments shows $35,118 in general payments to Dr. Cornateanu from 14 companies from 2019 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Randall Jonathan Cornateanu been practicing?

Dr. Cornateanu graduated from medical school in 2015, 11 years ago.

What EHR does Dr. Randall Jonathan Cornateanu's practice use?

Dmand AI tracks the EHR system at PIH Health Whittier Hospital and at 6 more sites and 3 medical groups. The vendor and product are available with a free Dmand AI account.

What insurance does Dr. Randall Jonathan Cornateanu accept?

Dr. Cornateanu is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit. The full carrier list is available with a free Dmand AI account.

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