Dr. Rex Jay Winters, MD

  • Whittier, CA
  • Cardiologist
NPI1477584191PAC ID5294759403
Medicare services, 2024
3,015
Medicare patients, 2024
731
Part D claims, 2024
3,147
Publications
9
Clinical trials
1
Practice address
12522 Lambert Rd, Whittier, CA 90606
Practice phone
Call (714) 656-2140
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

PIH Health Physicians

Whittier, California

See all 9 affiliations

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Dr. Rex Jay Winters is a cardiologist in Whittier, California

Dr. Winters practices at PIH Health Physicians in Whittier, California.

Dr. Winters' NPI, 1477584191, was assigned on July 5, 2006. Dr. Winters graduated from Pritzker School of Medicine in 1987. Dr. Winters holds California license G065833.

NPI and contact details
Medicare PAC ID
5294759403
NPI enumeration date
July 5, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(714) 656-2140
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
65
Medical school graduation
1987

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

Dr. Rex Jay Winters practices at PIH Health Physicians in Whittier, California

Dr. Winters' primary practice is PIH Health Physicians, at 12522 Lambert Rd, Whittier, CA 90606 in Los Angeles County. The practice phone is (714) 656-2140.

  • PIH Health Physicians
    12522 Lambert Rd, Whittier, CA 90606 · Los Angeles CountyPhone(714) 656-2140

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Rex Jay Winters is affiliated with 7 sites of care and 2 medical groups

Dr. Winters' primary practice is PIH Health Physicians in Whittier, California. Dr. Winters is also affiliated with Hoag Hospital Newport Beach. The medical group on file is PIH Health Physicians. Dmand AI also links Dr. Winters to 1 more hospital, 2 group practices and clinics, 1 physician office, 1 home health agency and 1 medical group, each named with a free account.

See all 9 affiliations for Dr. Winters

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

Dmand AI tracks the EHR system at Dr. Rex Jay Winters' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Winters practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
PIH Health PhysiciansAvailable with a free account
+6 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Rex Jay Winters is one of 2,375 cardiologists in California

Cardiovascular disease is Dr. Winters' primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Winters is board certified in cardiovascular disease by the American Board of Internal Medicine. Dr. Winters is licensed in California.

Specialties and state licenses

  • Cardiovascular disease, CaliforniaPrimaryLicense G065833 · 1989 to 2027 · taxonomy 207RC0000X

Clinical focus

Dmand AI lists aneurysm, angioplasty, aortic atherosclerois, atrial fibrillation and flutter, cardiac catheterization, cardiomyopathy, cerebrovascular disease and chronic hypertension among the conditions Dr. Winters treats.

Cardiologists near Dr. Winters

Counts of cardiologists 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. Rex Jay Winters billed Medicare for 3,015 services in 2024

CMS data shows 3,015 Medicare services from Dr. Winters across 22 procedure codes in 2024, for 731 Medicare patients. Medicare paid $310,667 for them. Every service was in an office.

Medicare services, 20243,015
Medicare patients731
Paid by Medicare$310,667
Procedure codes22

Dr. Winters' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 2,4382024: 1,58935%
Office and hospital visits
2023: 1,5902024: 1,19625%
Drugs given in the office
2023: 3282024: 10967%
Other services
2023: 3712024: 8178%
Imaging
2023: 1872024: 4079%

Dr. Winters compared with the California median for cardiologists, 2024

  • Dr. Winters
  • California median
Medicare services
3,015vs 1,56093% above
Medicare patients
731vs 64414% above
Part D claims
2,916vs 1,4102.1 times

Medians across 2,237 cardiologists in California with Dmand AI profiles that report each measure.

Dr. Winters' 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. Winters

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

Dr. Rex Jay Winters treated 731 Medicare patients in 2024, average age 76

CMS counts 731 Medicare patients who saw Dr. Winters in 2024. The largest group is 65 to 74, with 304 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.15, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Winters' median patient age at 71, with 35% women.

Medicare patients, 2024731
Average age76
Average risk score1.15
Also on Medicaid5%

Dr. Winters' Medicare patients by age, 2024

Dr. Winters' Medicare patients by sex, 2024

  • Women37051%
  • Men36149%

Chronic conditions among Dr. Winters' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease46%
  4. Arthritis45%
  5. Diabetes28%
  6. Atrial fibrillation25%
  7. Chronic kidney disease24%
  8. Anxiety17%

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

Dr. Winters' patients across all payers

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

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women35%
  • Men64%

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

Dr. Rex Jay Winters wrote 3,147 Medicare Part D claims in 2024

In 2024, Dr. Winters wrote 3,147 Medicare Part D claims for 482 patients. 86% of them were for generic drugs. CMS names the drug for 2,916 of them, across 34 drugs with 11 or more claims each, at $449,812 in total drug cost. In 2023, CMS named 2,689 claims across 36 drugs.

Part D claims, 20243,147
Drugs named by CMS34
Total drug cost$449,812
Part D patients482

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

  • Generic2,702 claims86%
  • Brand-name445 claims14%

Dr. Winters' 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. Winters' Part D claims, 2024

  • Antibiotics0%15 of 3,147 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: 2,6892024: 2,9168%

Drugs named by CMS: 34 in 2024, 36 in 2023.

See all prescribing by Dr. Winters

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. Rex Jay Winters scored 79 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Dr. Winters for performance year 2024, reported as part of a group. Dr. Winters accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Winters' MIPS scores, performance year 2024

  • 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.

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. Rex Jay Winters has 9 publications on record

Dmand AI links 9 papers to Dr. Winters in 2013. The most frequent topics are Alloys, Graft Occlusion, Vascular and Stents. Dr. Winters has published most often in Am Heart J. Dr. Winters' most frequent co-authors are Byron J J. Allen, MD, Syed W. Bokhari, MD and Ronald D. Gim, MD.

Papers9

Topics Dr. Winters writes about most

  • Alloys
  • Graft Occlusion, Vascular
  • Stents
  • Electrocardiography
  • Femoral Artery
  • Heart Ventricles
  • Tachycardia, Ventricular

Dr. Winters' most frequent co-authors

Recent publications by Dr. Winters

See all 9 publications and co-authors

See who Dr. Winters researches with

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

How network discovery works

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

Dr. Rex Jay Winters has worked on 1 clinical trial

Dmand AI links Dr. Winters to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Aneurysm, False and Penetrating Atherosclerotic Ulcer.

Conditions in Dr. Winters' trials

  • Aneurysm, False
  • Penetrating Atherosclerotic Ulcer

Investigators on the most trials with Dr. Winters

Recent clinical trials with Dr. Winters

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Rex Jay Winters received $45,706 in industry payments from 2016 to 2025

CMS Open Payments shows 172 general payments to Dr. Winters from 21 drug and device companies from 2016 to 2025. Honoraria make up the largest share, 59% of the total. Edwards Lifesciences Corporation paid the most, $28,136.

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

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

$45.7Kin total
  • Honoraria$26,80059%
  • Speaker and faculty fees$10,50023%
  • Food and beverage$6,78315%
  • Travel and lodging$1,5133%
  • Education$1100%

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

Share is of all general payments to this clinician.

See all payments to Dr. Winters

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

Dr. Rex Jay Winters has 3 awards and honors on record

Dmand AI lists 3 awards for Dr. Winters, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Winters

  1. 2013
    • CMS Stage 1 EHR
  2. Undated
    • ACC Fellow
    • Super Doc

Source: Dmand AI Professional Profile Data

Dr. Rex Jay Winters graduated from Pritzker School of Medicine

Dr. Winters graduated from Pritzker School of Medicine in 1987. Dr. Winters is a member of ACC.

  1. Medical schoolPritzker School of Medicine
  2. Board certified in cardiovascular diseaseAmerican Board of Internal Medicine
  3. Board certified in cardiovascular diseaseNational Board of Physicians and Surgeons
  4. Board certified in interventional cardiologyNational Board of Physicians and Surgeons

Source: Dmand AI Professional Profile Data

Dr. Rex Jay Winters accepts plans from 10 insurance carriers

Dr. Winters is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.

Plan types Dr. Winters accepts, by number of carriers

  1. Medicare10
  2. PPO8
  3. HMO5
  4. POS3
  5. EPO2
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Rex Jay Winters'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
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. Rex Jay Winters

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. Rex Jay Winters' NPI number?

Dr. Rex Jay Winters' NPI number is 1477584191. It was assigned on July 5, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Rex Jay Winters?

Dr. Rex Jay Winters is a cardiologist in Whittier, California. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Dr. Rex Jay Winters practice?

Dr. Winters practices at 12522 Lambert Rd, Whittier, CA 90606. Dr. Winters' primary practice is PIH Health Physicians in Whittier, California. Dmand AI also links Dr. Winters to 1 hospital, 2 group practices and clinics, 1 physician office, 1 home health agency and 1 medical group.

What is Dr. Rex Jay Winters' office phone number?

The practice phone on file for Dr. Winters is (714) 656-2140.

What is Dr. Rex Jay Winters' medical license number?

Dr. Winters holds California license G065833.

Which hospitals is Dr. Rex Jay Winters affiliated with?

Dr. Winters is affiliated with Hoag Hospital Newport Beach. Dmand AI links Dr. Winters to 1 more hospital.

What medical group is Dr. Rex Jay Winters part of?

Dr. Winters is linked to PIH Health Physicians. Dmand AI links Dr. Winters to 1 more medical group.

Does Dr. Rex Jay Winters accept Medicare?

Yes. CMS data shows Dr. Winters billed Medicare for 3,015 services in 2024, and Dr. Winters accepts Medicare assignment.

What is Dr. Rex Jay Winters' MIPS score?

Dr. Winters' MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.

How many Medicare patients does Dr. Rex Jay Winters see?

CMS counts 731 Medicare patients who saw Dr. Winters in 2024, with an average age of 76.

Show 9 more questionsShow fewer questions

Is Dr. Rex Jay Winters board certified?

Yes. Dr. Winters is board certified in cardiovascular disease by the American Board of Internal Medicine.

What services does Dr. Rex Jay Winters bill to Medicare?

In 2024, Dr. Winters' most billed Medicare services were office visit, established patient (99214), heart test or procedure (93306) and heart test or procedure (93000).

Where did Dr. Rex Jay Winters go to medical school?

Dr. Winters graduated from Pritzker School of Medicine in 1987.

What drugs does Dr. Rex Jay Winters prescribe most?

In 2024 Medicare Part D data, Dr. Winters' most prescribed drugs by claims were Rosuvastatin Calcium, Atorvastatin Calcium and Metoprolol Succinate.

Has Dr. Rex Jay Winters received payments from drug or device companies?

CMS Open Payments shows $45,706 in general payments to Dr. Winters from 21 companies from 2016 to 2025. The largest total came from Edwards Lifesciences Corporation.

How long has Dr. Rex Jay Winters been practicing?

Dr. Winters graduated from medical school in 1987, 39 years ago.

Does Dr. Rex Jay Winters do research?

Dmand AI links 9 publications to Dr. Winters. Dr. Winters has worked on 1 clinical trial.

Who does Dr. Rex Jay Winters publish with?

Dr. Winters' most frequent co-authors are Byron J J. Allen, MD (2 shared papers), Syed W. Bokhari, MD (2 shared papers) and Ronald D. Gim, MD (2 shared papers).

What insurance does Dr. Rex Jay Winters accept?

Dr. Winters is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.

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