Dr. John Dean Baker, MD

  • Santa Ana, CA
  • Interventional cardiologist
NPI1124022850PAC ID7012087562
Medicare services, 2024
1,831
Medicare patients, 2024
1,034
Part D claims, 2024
1,703
Publications
5
Hospital affiliations
5
Practice address
801 N Tustin Ave, Santa Ana, CA 92705
Practice phone
Call (714) 568-6600
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Cardiology Consultants of OC Medical Group Inc.

Santa Ana, California

See all 9 affiliations

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Dr. John Dean Baker is an interventional cardiologist in Santa Ana, California

Dr. Baker practices at Cardiology Consultants of OC Medical Group Inc. in Santa Ana, California.

Dr. Baker's NPI, 1124022850, was assigned on June 10, 2005. Dr. Baker graduated from Keck School of Medicine of USC in 1987. Dr. Baker holds California license G65259.

NPI and contact details
Medicare PAC ID
7012087562
NPI enumeration date
June 10, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(714) 568-6600
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. John Dean Baker practices at Cardiology Consultants of OC Medical Group Inc. in Santa Ana, California

Dr. Baker's primary practice is Cardiology Consultants of OC Medical Group Inc., at 801 N Tustin Ave, Santa Ana, CA 92705 in Orange County. The practice phone is (714) 568-6600.

  • Cardiology Consultants of OC Medical Group Inc.
    801 N Tustin Ave, Santa Ana, CA 92705 · Orange CountyPhone(714) 568-6600

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

Dr. John Dean Baker is affiliated with 7 sites of care and 2 medical groups

Dr. Baker's primary practice is Cardiology Consultants of OC Medical Group Inc. in Santa Ana, California. Dr. Baker is also affiliated with Orange County Global Medical Center. The medical group on file is Cardiology Consultants of Orange County Medical Group. Dmand AI also links Dr. Baker to 4 more hospitals, 1 group practice or clinic and 1 medical group, each named with a free account.

See all 9 affiliations for Dr. Baker

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

Dmand AI tracks the EHR system at Dr. John Dean Baker's practice

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

EHR by site
SiteEHR vendor and product
Cardiology Consultants of OC Medical Group Inc.Available 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. John Dean Baker is one of 582 interventional cardiologists in California

Interventional cardiology is Dr. Baker's primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Dr. Baker is board certified in cardiovascular disease by the American Board of Internal Medicine. Dmand AI has Dr. Baker's licenses on file in 3 states: California, Florida and Illinois.

Specialties and state licenses

  • Interventional cardiology, CaliforniaPrimaryLicense G65259 · 1989 to 2026 · taxonomy 207RI0011X
  • Florida license1995 to 2000
  • Illinois license1994 to 1996

Clinical focus

Dmand AI lists angioplasty, atrial fibrillation and flutter, cardiac catheterization, chronic hypertension, coronary artery disease, heart failure, heart valve disorders and high cholesterol among the conditions Dr. Baker treats.

Interventional cardiologists near Dr. Baker

Counts of interventional cardiologists with a Dmand AI profile, by place and practice. Each opens the list.

582interventional cardiologists in California
5interventional cardiologists in Santa Ana

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

Dr. John Dean Baker billed Medicare for 1,831 services in 2024

CMS data shows 1,831 Medicare services from Dr. Baker across 8 procedure codes in 2024, for 1,034 Medicare patients. Medicare paid $63,662 for them.

Medicare services, 20241,831
Medicare patients1,034
Paid by Medicare$63,662
Procedure codes8

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

  • 2023
  • 2024
Tests and treatments
2023: 1,4002024: 1,2977%
Office and hospital visits
2023: 4632024: 53415%

Where Dr. Baker's Medicare services took place, 2024

  • In an office1428%
  • In a facility1,68992%

Dr. Baker compared with the California median for interventional cardiologists, 2024

  • Dr. Baker
  • California median
Medicare services
1,831vs 2,38723% below
Medicare patients
1,034vs 75138% above
Part D claims
1,573vs 1,82614% below

Medians across 573 interventional cardiologists in California with Dmand AI profiles that report each measure.

Dr. Baker'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. Baker

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Baker and other interventional cardiologists in California.

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

Dr. John Dean Baker treated 1,034 Medicare patients in 2024, average age 75

CMS counts 1,034 Medicare patients who saw Dr. Baker in 2024. The largest group is 65 to 74, with 350 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 77% are also on Medicaid. Their average risk score is 3.05, 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. Baker's median patient age at 63, with 47% women.

Medicare patients, 20241,034
Average age75
Average risk score3.05
Also on Medicaid77%

Dr. Baker's Medicare patients by age, 2024

Dr. Baker's Medicare patients by sex, 2024

  • Women53552%
  • Men49948%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes60%
  4. Arthritis53%
  5. Heart failure53%
  6. Mood disorders50%
  7. Chronic kidney disease49%
  8. Ischemic heart disease49%

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

Dr. Baker's patients across all payers

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

Patient panel by age, all payers

Median age 63

Patient panel by sex, all payers

  • Women47%
  • Men53%

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

Dr. John Dean Baker wrote 1,703 Medicare Part D claims in 2024

In 2024, Dr. Baker wrote 1,703 Medicare Part D claims for 300 patients. 76% of them were for generic drugs. CMS names the drug for 1,573 of them, across 28 drugs with 11 or more claims each, at $458,220 in total drug cost. In 2023, CMS named 1,475 claims across 26 drugs.

Part D claims, 20241,703
Drugs named by CMS28
Total drug cost$458,220
Part D patients300

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

  • Generic1,288 claims76%
  • Brand-name415 claims24%

Dr. Baker'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: 1,4752024: 1,5737%

Drugs named by CMS: 28 in 2024, 26 in 2023.

See all prescribing by Dr. Baker

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. John Dean Baker offers telehealth to Medicare patients

Dr. Baker accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Baker as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Coronary angioplasty and stenting: 1 to 10 procedures (CMS shows small counts as a range)

Pacemaker insertion or repair: 1 to 10 procedures (CMS shows small counts as a range)

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

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Dr. John Dean Baker has 5 publications on record

Dmand AI links 5 papers to Dr. Baker in 2007. The most frequent topics are Coronary Angiography, Myocardial Infarction and Angioplasty, Balloon, Laser-Assisted. Dr. Baker's most frequent co-authors are Tony S. Das, MD, Douglas G. Ebersole, MD and Hooman Madyoon, MD.

Papers5

Topics Dr. Baker writes about most

  • Coronary Angiography
  • Myocardial Infarction
  • Angioplasty, Balloon, Laser-Assisted
  • Angioplasty, Laser
  • Coronary Circulation
  • Saphenous Vein

Dr. Baker's most frequent co-authors

Recent publications by Dr. Baker

See all 5 publications and co-authors

See who Dr. Baker researches with

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

How network discovery works

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

Dr. John Dean Baker received $5,737 in industry payments from 2016 to 2025

CMS Open Payments shows 75 general payments to Dr. Baker from 21 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 62% of the total. Medtronic Vascular, Inc. paid the most, $2,870.

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

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

$5.7Kin total
  • Food and beverage$3,57362%
  • Travel and lodging$1,99735%
  • Consulting fees$1453%
  • Education$220%

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

Share is of all general payments to this clinician.

See all payments to Dr. Baker

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

Dr. John Dean Baker has 3 awards and honors on record

Dmand AI lists 3 awards for Dr. Baker, most recently CMS Stage 1 EHR in 2013. Dr. Baker serves on CA American College of Cardiology, Prevention of Cardiovascular Disease - California ACC and Specialty Delegate to the American Medical Association.

Awards and honors for Dr. Baker

  1. 2013
    • CMS Stage 1 EHR
    • Physician of Excellence Award
  2. Undated
    • Fellow

Dr. Baker's committees and leadership roles

CA American College of CardiologyDistrict IX Councilor (Representing Orange County)
2018 to present
Prevention of Cardiovascular Disease - California ACCCo- Chair
2018 to present
Specialty Delegate to the American Medical AssociationRepresenting California ACC
2018 to present

Source: Dmand AI Professional Profile Data

Dr. John Dean Baker graduated from Keck School of Medicine of USC

Dr. Baker graduated from Keck School of Medicine of USC in 1987. Dr. Baker is a member of ACC, ACP, CMA and SCAI.

  1. Medical schoolKeck School of Medicine of USC
  2. Board certified in cardiovascular diseaseAmerican Board of Internal Medicine
  3. Board certified in interventional cardiologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. John Dean Baker accepts plans from 9 insurance carriers

Dr. Baker is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

Plan types Dr. Baker accepts, by number of carriers

  1. Medicare7
  2. PPO5
  3. HMO4
  4. POS2
  5. EPO1
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. John Dean Baker'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)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. John Dean Baker

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. John Dean Baker's NPI number?

Dr. John Dean Baker's NPI number is 1124022850. It was assigned on June 10, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. John Dean Baker?

Dr. John Dean Baker is an interventional cardiologist in Santa Ana, California. The primary specialty in the NPI Registry is Interventional Cardiology Physician (taxonomy code 207RI0011X).

Where does Dr. John Dean Baker practice?

Dr. Baker practices at 801 N Tustin Ave, Santa Ana, CA 92705. Dr. Baker's primary practice is Cardiology Consultants of OC Medical Group Inc. in Santa Ana, California. Dmand AI also links Dr. Baker to 4 hospitals, 1 group practice or clinic and 1 medical group.

What is Dr. John Dean Baker's office phone number?

The practice phone on file for Dr. Baker is (714) 568-6600.

What is Dr. John Dean Baker's medical license number?

Dr. Baker holds California license G65259, one of the licenses on file in 3 states.

Which states has Dr. John Dean Baker been licensed in?

Dmand AI has state licenses on file for Dr. Baker in California (1989 to 2026), Florida (1995 to 2000) and Illinois (1994 to 1996).

Which hospitals is Dr. John Dean Baker affiliated with?

Dr. Baker is affiliated with Orange County Global Medical Center. Dmand AI links Dr. Baker to 4 more hospitals.

What medical group is Dr. John Dean Baker part of?

Dr. Baker is linked to Cardiology Consultants of Orange County Medical Group. Dmand AI links Dr. Baker to 1 more medical group.

Does Dr. John Dean Baker accept Medicare?

Yes. CMS data shows Dr. Baker billed Medicare for 1,831 services in 2024, and Dr. Baker accepts Medicare assignment.

Does Dr. John Dean Baker offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Baker as offering telehealth services.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. John Dean Baker see?

CMS counts 1,034 Medicare patients who saw Dr. Baker in 2024, with an average age of 75.

Is Dr. John Dean Baker board certified?

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

What services does Dr. John Dean Baker bill to Medicare?

In 2024, Dr. Baker's most billed Medicare services were heart test or procedure (93010), hospital inpatient care (99232) and heart test or procedure (93306).

Where did Dr. John Dean Baker go to medical school?

Dr. Baker graduated from Keck School of Medicine of USC in 1987.

What drugs does Dr. John Dean Baker prescribe most?

In 2024 Medicare Part D data, Dr. Baker's most prescribed drugs by claims were Eliquis, Metoprolol Succinate and Amlodipine Besylate.

Has Dr. John Dean Baker received payments from drug or device companies?

CMS Open Payments shows $5,737 in general payments to Dr. Baker from 21 companies from 2016 to 2025. The largest total came from Medtronic Vascular, Inc.

How long has Dr. John Dean Baker been practicing?

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

Does Dr. John Dean Baker do research?

Dmand AI links 5 publications to Dr. Baker.

Who does Dr. John Dean Baker publish with?

Dr. Baker's most frequent co-authors are Tony S. Das, MD (4 shared papers), Douglas G. Ebersole, MD (4 shared papers) and Hooman Madyoon, MD (3 shared papers).

What insurance does Dr. John Dean Baker accept?

Dr. Baker is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

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