Dr. John B. Overton, MD

  • Stockton, CA
  • Cardiothoracic surgeon
NPI1144261173
Medicare services, 2024
78
Medicare patients, 2024
57
Part D claims, 2024
159
Hospital affiliations
1
Industry payments
$553
Practice address
525 West Acacia Street, Stockton, CA 95203
Practice phone
Call (209) 944-5550
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Dameron Hospital

Hospital · Stockton, California

See all 2 affiliations

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Dr. John B. Overton is a cardiothoracic surgeon in Stockton, California

Dr. Overton practices at Dameron Hospital in Stockton, California, part of Dameron Hospital.

Dr. Overton's NPI, 1144261173, was assigned on June 9, 2006. Dr. Overton graduated from University of North Carolina School of Medicine in 1967. Dr. Overton's California license number on file is C38023.

NPI and contact details
NPI enumeration date
June 9, 2006
NPI status
Active
Practice phone
(209) 944-5550
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
85
Medical school graduation
1967

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

Dr. John B. Overton practices at Dameron Hospital in Stockton, California

Dr. Overton's primary practice is Dameron Hospital, at 525 West Acacia Street, Stockton, CA 95203 in San Joaquin County. The practice phone is (209) 944-5550.

  • Dameron Hospital
    525 West Acacia Street, Stockton, CA 95203 · San Joaquin CountyPhone(209) 944-5550

Source: Dmand AI Affiliation Data

Dr. John B. Overton is affiliated with 1 site of care and 1 medical group

Dr. Overton's primary practice is Dameron Hospital in Stockton, California, part of Dameron Hospital. The medical group on file is Dameron Hospital Association. Dr. Overton's employer is on file too: a hospital.

See all 2 affiliations for Dr. Overton

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

Dmand AI tracks the EHR system at Dr. John B. Overton's practice

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

EHR by site
SiteEHR vendor and product
Dameron HospitalAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John B. Overton is one of 568 cardiothoracic surgeons in California

Thoracic surgery (cardiothoracic vascular surgery) is Dr. Overton's primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dr. Overton is board certified in thoracic and cardiac surgery by the American Board of Thoracic Surgery. Dmand AI has Dr. Overton's licenses on file in 2 states: California and North Carolina.

Specialties and state licenses

  • Thoracic surgery (cardiothoracic vascular surgery), CaliforniaPrimaryLicense C38023 · 1978 to 2025 · taxonomy 208G00000X
  • North Carolina license1967 to 2025

Cardiothoracic surgeons near Dr. Overton

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. John B. Overton billed Medicare for 78 services in 2024

CMS data shows 78 Medicare services from Dr. Overton across 3 procedure codes in 2024, for 57 Medicare patients. Medicare paid $10,232 for them.

Medicare services, 202478
Medicare patients57
Paid by Medicare$10,232
Procedure codes3

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

  • 2023
  • 2024
Office and hospital visits
2023: 922024: 6628%
Surgery
2023: 142024: 1214%

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

  • In an office6685%
  • In a facility1215%

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

  • Dr. Overton
  • California median
Medicare services
78vs 11432% below
Medicare patients
57vs 9540% below
Part D claims
120vs 196.3 times

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

Dr. Overton'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. Overton

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

Dr. John B. Overton treated 57 Medicare patients in 2024, average age 69

CMS counts 57 Medicare patients who saw Dr. Overton in 2024. The largest group is 65 to 74, with 20 patients. 75% of them have chronic kidney disease, and 75% have diabetes. 79% are also on Medicaid. Their average risk score is 7.39, 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. Overton's median patient age at 61, with 44% women.

Medicare patients, 202457
Average age69
Average risk score7.39
Also on Medicaid79%

Dr. Overton's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Overton's Medicare patients by sex, 2024

  • Women2646%
  • Men3154%

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

  1. Chronic kidney disease75%
  2. Diabetes75%
  3. High blood pressure75%
  4. High cholesterol75%
  5. Heart failure70%
  6. Ischemic heart disease51%
  7. Atrial fibrillation25%
  8. Alzheimer's and dementia23%

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

Dr. Overton's patients across all payers

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

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women44%
  • Men56%

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

Dr. John B. Overton wrote 159 Medicare Part D claims in 2024

In 2024, Dr. Overton wrote 159 Medicare Part D claims for 46 patients. 97% of them were for generic drugs. CMS names the drug for 120 of them, across 2 drugs with 11 or more claims each, at $1,632 in total drug cost. In 2023, CMS named 134 claims across 2 drugs.

Part D claims, 2024159
Drugs named by CMS2
Total drug cost$1,632
Part D patients46

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

  • Generic154 claims97%
  • Brand-name and other5 claims3%

Dr. Overton'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.

Drug classes CMS tracks in Dr. Overton's Part D claims, 2024

  • Opioids28%45 of 159 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: 1342024: 12010%

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

See all prescribing by Dr. Overton

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

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Dr. John B. Overton received $553 in industry payments from 2016 to 2019

CMS Open Payments shows 7 general payments to Dr. Overton from 6 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Medtronic Vascular, Inc. paid the most, $190.

General payments to Dr. Overton by program year, 2016 to 2019

Companies that paid Dr. Overton the most, 2016 to 2019

Share is of all general payments to this clinician.

See all payments to Dr. Overton

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

Dr. John B. Overton graduated from University of North Carolina School of Medicine

Dr. Overton graduated from University of North Carolina School of Medicine in 1967.

  1. Medical schoolUniversity of North Carolina School of Medicine
  2. Board certified in thoracic and cardiac surgeryAmerican Board of Thoracic Surgery

Source: Dmand AI Professional Profile Data

Dr. John B. Overton accepts plans from 7 insurance carriers

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

  • Elevance
  • Blue Cross Blue Shield of Michigan
  • Humana
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • CMS Medicare

Plan types Dr. Overton accepts, by number of carriers

  1. Medicare7
  2. PPO6
  3. HMO3
  4. POS2
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. John B. Overton'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)
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. John B. Overton

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 B. Overton's NPI number?

Dr. John B. Overton's NPI number is 1144261173. It was assigned on June 9, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. John B. Overton?

Dr. John B. Overton is a cardiothoracic surgeon in Stockton, California. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).

Where does Dr. John B. Overton practice?

Dr. Overton practices at 525 West Acacia Street, Stockton, CA 95203. Dr. Overton's primary practice is Dameron Hospital in Stockton, California, part of Dameron Hospital.

What is Dr. John B. Overton's office phone number?

The practice phone on file for Dr. Overton is (209) 944-5550.

What is Dr. John B. Overton's medical license number?

Dr. Overton's California license number on file is C38023, one of the licenses on file in 2 states.

Which states has Dr. John B. Overton been licensed in?

Dmand AI has state licenses on file for Dr. Overton in California (1978 to 2025) and North Carolina (1967 to 2025).

Which hospitals is Dr. John B. Overton affiliated with?

Dr. Overton practices at Dameron Hospital in Stockton, California.

What medical group is Dr. John B. Overton part of?

Dr. Overton is linked to Dameron Hospital Association.

Does Dr. John B. Overton accept Medicare?

Yes. CMS data shows Dr. Overton billed Medicare for 78 services in 2024.

How many Medicare patients does Dr. John B. Overton see?

CMS counts 57 Medicare patients who saw Dr. Overton in 2024, with an average age of 69.

Show 7 more questionsShow fewer questions

Is Dr. John B. Overton board certified?

Yes. Dr. Overton is board certified in thoracic and cardiac surgery by the American Board of Thoracic Surgery.

What services does Dr. John B. Overton bill to Medicare?

In 2024, Dr. Overton's most billed Medicare services were office visit, new patient (99203), office visit, established patient (99213) and surgery: heart and blood vessels (36818).

Where did Dr. John B. Overton go to medical school?

Dr. Overton graduated from University of North Carolina School of Medicine in 1967.

What drugs does Dr. John B. Overton prescribe most?

In 2024 Medicare Part D data, Dr. Overton's most prescribed drugs by claims were Clopidogrel and Hydrocodone-Acetaminophen.

Has Dr. John B. Overton received payments from drug or device companies?

CMS Open Payments shows $553 in general payments to Dr. Overton from 6 companies from 2016 to 2019. The largest total came from Medtronic Vascular, Inc.

How long has Dr. John B. Overton been practicing?

Dr. Overton graduated from medical school in 1967, 59 years ago.

What insurance does Dr. John B. Overton accept?

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

Selling to thoracic surgery (cardiothoracic vascular surgery) practices?

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