Am Surg
Anesthesia, ConductionAnesthesia, GeneralBenchmarking
Dr. John M. Stoneburner Jr., MD
NPI1366526550PAC ID7517869290
- Medicare services, 2024
- 102
- Medicare patients, 2024
- 105
- Part D claims, 2024
- 76
- Publications
- 3
- Hospital affiliations
- 1
- Practice address
- 3330 Lomita Blvd, Torrance, CA 90509
- Practice phone
- Call (310) 325-9110
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Stoneburner's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John M. Stoneburner Jr. is a cardiothoracic surgeon in Torrance, California
Dr. Stoneburner practices at Torrance Memorial Medical Center in Torrance, California, part of Cedars-Sinai Health System.
Dr. Stoneburner's NPI, 1366526550, was assigned on October 24, 2006. Dr. Stoneburner graduated from VCU School of Medicine in 1979. Dr. Stoneburner holds California license G54697.
NPI and contact details
- NPI
- 1366526550NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517869290
- NPI enumeration date
- October 24, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 325-9110
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John M. Stoneburner Jr. practices at Torrance Memorial Medical Center in Torrance, California
Dr. Stoneburner's primary practice is Torrance Memorial Medical Center, at 3330 Lomita Blvd, Torrance, CA 90509 in Los Angeles County. The practice phone is (310) 325-9110.
- Torrance Memorial Medical Center3330 Lomita Blvd, Torrance, CA 90509 · Los Angeles CountyPhone(310) 325-9110
Source: Dmand AI Affiliation Data
Dr. John M. Stoneburner Jr. is affiliated with 3 sites of care and 1 medical group
Dr. Stoneburner's primary practice is Torrance Memorial Medical Center in Torrance, California, part of Cedars-Sinai Health System. The medical group on file is Torrance Memorial Medical Center. Dmand AI also links Dr. Stoneburner to 1 more physician office and 1 group practice or clinic, each named with a free account.
Torrance Memorial Medical Center1 physician officeName with a free account1 group practice or clinicName with a free account
See all 4 affiliations for Dr. StoneburnerSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John M. Stoneburner Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stoneburner practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Torrance Memorial Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John M. Stoneburner Jr. is one of 568 cardiothoracic surgeons in California
Thoracic surgery (cardiothoracic vascular surgery) is Dr. Stoneburner's primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dr. Stoneburner is board certified in thoracic and cardiac surgery by the American Board of Thoracic Surgery. Dmand AI has Dr. Stoneburner's licenses on file in 3 states: California, Virginia and Pennsylvania.
Specialties and state licenses
- Thoracic surgery (cardiothoracic vascular surgery), CaliforniaPrimary
- Virginia license
- Pennsylvania license
Clinical focus
Dmand AI lists heart bypass surgery and heart valve surgery among the conditions Dr. Stoneburner treats.
Cardiothoracic surgeons near Dr. Stoneburner
Counts of cardiothoracic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
568cardiothoracic surgeons in California
9cardiothoracic surgeons in Torrance
3cardiothoracic surgeons at Torrance Memorial Medical CenterSources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John M. Stoneburner Jr. billed Medicare for 102 services in 2024
CMS data shows 102 Medicare services from Dr. Stoneburner across 3 procedure codes in 2024, for 105 Medicare patients. Medicare paid $19,859 for them.
Medicare services, 2024102
Medicare patients105
Paid by Medicare$19,859
Procedure codes3
Dr. Stoneburner's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 862024: 851%
- Surgery
- 2023: 192024: 1711%
Where Dr. Stoneburner's Medicare services took place, 2024
- In an office8583%
- In a facility1717%
Dr. Stoneburner compared with the California median for cardiothoracic surgeons, 2024
- Dr. Stoneburner
- California median
- Medicare services
- 102vs 11411% below
- Medicare patients
- 105vs 9511% above
- Part D claims
- 76vs 194.0 times
Medians across 453 cardiothoracic surgeons in California with Dmand AI profiles that report each measure.
Dr. Stoneburner'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.
Need commercial claims for Dr. Stoneburner?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Stoneburner and other cardiothoracic surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John M. Stoneburner Jr. treated 105 Medicare patients in 2024, average age 78
CMS counts 105 Medicare patients who saw Dr. Stoneburner in 2024. The largest group is 75 to 84, with 43 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.68, 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. Stoneburner's median patient age at 76, with 32% women.
Medicare patients, 2024105
Average age78
Average risk score1.68
Dr. Stoneburner's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Stoneburner's Medicare patients by sex, 2024
- Women4644%
- Men5956%
Chronic conditions among Dr. Stoneburner's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease56%
- Atrial fibrillation47%
- Arthritis44%
- Heart failure44%
- Diabetes42%
- Chronic kidney disease41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Stoneburner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women32%
- Men67%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John M. Stoneburner Jr. wrote 76 Medicare Part D claims in 2024
In 2024, Dr. Stoneburner wrote 76 Medicare Part D claims for 63 patients. 100% of them were for generic drugs. They cover 2 drugs, with $93 in total drug cost. In 2023, CMS named 32 claims across 1 drug.
Part D claims, 202476
Drugs named by CMS2
Total drug cost$93
Part D patients63
Dr. Stoneburner'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: 322024: 76138%
Drugs named by CMS: 2 in 2024, 1 in 2023.
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
How Dr. John M. Stoneburner Jr. takes part in Medicare
Dr. Stoneburner accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Coronary artery bypass graft (CABG): 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)
For MedTech and pharma teams
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Dr. John M. Stoneburner Jr. has 3 publications on record
Dmand AI links 3 papers to Dr. Stoneburner. Dr. Stoneburner's most frequent co-author is Garabed P. Nishanian, MD.
Papers3
Dr. Stoneburner's most frequent co-authors
Recent publications by Dr. Stoneburner
Ann Thorac Surg
Aorta, ThoracicAortic ValveBrachiocephalic Trunk
CapillariesComputersDogs
See who Dr. Stoneburner researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Stoneburner works with, so you can find a warm path to the right cardiothoracic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John M. Stoneburner Jr. received $7,217 in industry payments from 2016 to 2025
CMS Open Payments shows 153 general payments to Dr. Stoneburner from 25 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 77% of the total. AtriCure, Inc. paid the most, $2,581.
General payments to Dr. Stoneburner by program year, 2016 to 2025
General payments to Dr. Stoneburner by kind, 2016 to 2025
$7.2Kin total
- Food and beverage$5,54677%
- Travel and lodging$1,54121%
- Education$1302%
Companies that paid Dr. Stoneburner the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John M. Stoneburner Jr. has 1 award and honors on record
Dmand AI lists 1 award for Dr. Stoneburner.
Awards and honors for Dr. Stoneburner
- Undated
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. John M. Stoneburner Jr. graduated from VCU School of Medicine
Dr. Stoneburner graduated from VCU School of Medicine in 1979. Dr. Stoneburner is a member of ACS and STS.
- Medical school
- Board certified in thoracic and cardiac surgery
- Board certified in surgery
- Board certified in thoracic and cardiac surgery
- Board certified in vascular surgery
Source: Dmand AI Professional Profile Data
Dr. John M. Stoneburner Jr. accepts plans from 8 insurance carriers
Dr. Stoneburner is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- Elevance
- HCSC
- CMS Medicare
- Humana
- Molina
Plan types Dr. Stoneburner accepts, by number of carriers
- Medicare6
- PPO5
- HMO3
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. John M. Stoneburner Jr.'s profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors 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-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John M. Stoneburner Jr.
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 M. Stoneburner Jr.'s NPI number?
Dr. John M. Stoneburner Jr.'s NPI number is 1366526550. It was assigned on October 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John M. Stoneburner Jr.?
Dr. John M. Stoneburner Jr. is a cardiothoracic surgeon in Torrance, California. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).
Where does Dr. John M. Stoneburner Jr. practice?
Dr. Stoneburner practices at 3330 Lomita Blvd, Torrance, CA 90509. Dr. Stoneburner's primary practice is Torrance Memorial Medical Center in Torrance, California, part of Cedars-Sinai Health System. Dmand AI also links Dr. Stoneburner to 1 physician office and 1 group practice or clinic.
What is Dr. John M. Stoneburner Jr.'s office phone number?
The practice phone on file for Dr. Stoneburner is (310) 325-9110.
What is Dr. John M. Stoneburner Jr.'s medical license number?
Dr. Stoneburner holds California license G54697, one of the licenses on file in 3 states.
Which states has Dr. John M. Stoneburner Jr. been licensed in?
Dmand AI has state licenses on file for Dr. Stoneburner in California (1985 to 2026), Virginia (1984 to 2026) and Pennsylvania (1981 to 1990).
Which hospitals is Dr. John M. Stoneburner Jr. affiliated with?
Dr. Stoneburner practices at Torrance Memorial Medical Center in Torrance, California.
What medical group is Dr. John M. Stoneburner Jr. part of?
Dr. Stoneburner is linked to Torrance Memorial Medical Center.
Does Dr. John M. Stoneburner Jr. accept Medicare?
Yes. CMS data shows Dr. Stoneburner billed Medicare for 102 services in 2024, and Dr. Stoneburner accepts Medicare assignment.
How many Medicare patients does Dr. John M. Stoneburner Jr. see?
CMS counts 105 Medicare patients who saw Dr. Stoneburner in 2024, with an average age of 78.
Show 9 more questionsShow fewer questions
Is Dr. John M. Stoneburner Jr. board certified?
Yes. Dr. Stoneburner is board certified in thoracic and cardiac surgery by the American Board of Thoracic Surgery.
What services does Dr. John M. Stoneburner Jr. bill to Medicare?
In 2024, Dr. Stoneburner's most billed Medicare services were office visit, established patient (99215), office visit, new patient (99205) and surgery: heart and blood vessels (33361).
Where did Dr. John M. Stoneburner Jr. go to medical school?
Dr. Stoneburner graduated from VCU School of Medicine in 1979.
What drugs does Dr. John M. Stoneburner Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Stoneburner's most prescribed drugs by claims were Chlorhexidine Gluconate and Mupirocin.
Has Dr. John M. Stoneburner Jr. received payments from drug or device companies?
CMS Open Payments shows $7,217 in general payments to Dr. Stoneburner from 25 companies from 2016 to 2025. The largest total came from AtriCure, Inc.
How long has Dr. John M. Stoneburner Jr. been practicing?
Dr. Stoneburner graduated from medical school in 1979, 47 years ago.
Does Dr. John M. Stoneburner Jr. do research?
Dmand AI links 3 publications to Dr. Stoneburner.
Who does Dr. John M. Stoneburner Jr. publish with?
Dr. Stoneburner's most frequent co-authors are Garabed P. Nishanian, MD (1 shared paper).
What insurance does Dr. John M. Stoneburner Jr. accept?
Dr. Stoneburner is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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