Dr. Carl J. Rossi Jr., MD

  • San Diego, CA
  • Radiation oncologist
NPI1518983055PAC ID4981766722
Medicare services, 2024
2,749
Medicare patients, 2024
311
Part D claims, 2024
99
Publications
30
Clinical trials
2
Practice address
9710 Summers Ridge Rd, San Diego, CA 92121
Practice phone
Call (858) 549-7400
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Proton Doctors Professional Corporation

San Diego, California

See all 4 affiliations

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Dr. Carl J. Rossi Jr. is a radiation oncologist in San Diego, California

Dr. Rossi practices at Proton Doctors Professional Corporation in San Diego, California.

Dr. Rossi's NPI, 1518983055, was assigned on July 15, 2006. Dr. Rossi graduated from Loyola University Chicago Stritch School of Medicine in 1988. Dr. Rossi holds California license G66352.

NPI and contact details
Medicare PAC ID
4981766722
NPI enumeration date
July 15, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(858) 549-7400
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
64
Medical school graduation
1988

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

Dr. Carl J. Rossi Jr. practices at Proton Doctors Professional Corporation in San Diego, California

Dr. Rossi's primary practice is Proton Doctors Professional Corporation, at 9710 Summers Ridge Rd, San Diego, CA 92121 in San Diego County. The practice phone is (858) 549-7400.

  • Proton Doctors Professional Corporation
    9710 Summers Ridge Rd, San Diego, CA 92121 · San Diego CountyPhone(858) 549-7400

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

Dr. Carl J. Rossi Jr. is affiliated with 3 sites of care and 1 medical group

Dr. Rossi's primary practice is Proton Doctors Professional Corporation in San Diego, California. Dr. Rossi is also affiliated with Hillcrest Medical Center. The medical group on file is Proton Doctors PC. Dmand AI also links Dr. Rossi to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Rossi

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

Dmand AI tracks the EHR system at Dr. Carl J. Rossi Jr.'s practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rossi practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Proton Doctors Professional CorporationAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Carl J. Rossi Jr. is one of 685 radiation oncologists in California

Radiation oncology is Dr. Rossi's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Rossi is board certified in radiation oncology by the American Board of Radiology. Dmand AI has Dr. Rossi's licenses on file in 2 states: California and Florida.

Specialties and state licenses

  • Radiation oncology, CaliforniaPrimaryLicense G66352 · 1989 to 2026 · taxonomy 2085R0001X
  • Florida license2011 to 2013

Clinical focus

Dmand AI lists bladder cancer radiation, bone cancer radiation, brain cancer radiation and prostate cancer radiation among the conditions Dr. Rossi treats.

Radiation oncologists near Dr. Rossi

Counts of radiation oncologists 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. Carl J. Rossi Jr. billed Medicare for 2,749 services in 2024

CMS data shows 2,749 Medicare services from Dr. Rossi across 17 procedure codes in 2024, for 311 Medicare patients. Medicare paid $985,676 for them. Every service was in an office.

Medicare services, 20242,749
Medicare patients311
Paid by Medicare$985,676
Procedure codes17

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

  • 2023
  • 2024
Imaging
2023: 3,2292024: 2,08635%
Other services
2023: 1,2712024: 50460%
Office and hospital visits
2023: 1062024: 15950%

Dr. Rossi compared with the California median for radiation oncologists, 2024

  • Dr. Rossi
  • California median
Medicare services
2,749vs 1,44490% above
Medicare patients
311vs 16490% above
Part D claims
77vs 322.4 times

Medians across 633 radiation oncologists in California with Dmand AI profiles that report each measure.

Dr. Rossi'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. Rossi

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Rossi and other radiation oncologists in California.

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

Dr. Carl J. Rossi Jr. treated 311 Medicare patients in 2024, average age 73

CMS counts 311 Medicare patients who saw Dr. Rossi in 2024. The largest group is 65 to 74, with 168 patients. 75% of them have cancer, and 65% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.50, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Rossi's median patient age at 69, with 22% women.

Medicare patients, 2024311
Average age73
Average risk score1.50
Also on Medicaid8%

Dr. Rossi's Medicare patients by age, 2024

Dr. Rossi's Medicare patients by sex, 2024

  • Women5116%
  • Men26084%

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

  1. Cancer75%
  2. High cholesterol65%
  3. High blood pressure57%
  4. Arthritis34%
  5. Ischemic heart disease22%
  6. Diabetes21%
  7. Chronic kidney disease18%
  8. Atrial fibrillation17%

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

Dr. Rossi's patients across all payers

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

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women22%
  • Men77%

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

Dr. Carl J. Rossi Jr. wrote 99 Medicare Part D claims in 2024

In 2024, Dr. Rossi wrote 99 Medicare Part D claims for 45 patients. 98% of them were for generic drugs. CMS names the drug for 77 of them, across 1 drug with 11 or more claims each, at $931 in total drug cost. In 2023, CMS named 87 claims across 2 drugs.

Part D claims, 202499
Drugs named by CMS1
Total drug cost$931
Part D patients45

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

  • Generic97 claims98%
  • Brand-name and other2 claims2%

Dr. Rossi'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: 872024: 7711%

Drugs named by CMS: 1 in 2024, 2 in 2023.

See all prescribing by Dr. Rossi

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. Carl J. Rossi Jr. scored 76 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 76 out of 100 for Dr. Rossi for performance year 2024, reported as part of a group. Dr. Rossi accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Rossi as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Rossi's MIPS scores, performance year 2024

  • 76of 100Final score
  • 51.6of 100Quality
  • 40of 100Improvement Activities

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. Carl J. Rossi Jr. has 30 publications on record

Dmand AI links 30 papers to Dr. Rossi, published from 2006 to 2024. 2019 was the busiest year, with 4. The most frequent topics are Prostatic Neoplasms, Proton Therapy and Radiotherapy Dosage. Dr. Rossi has published most often in Int J Radiat Oncol Biol Phys. Dr. Rossi's most frequent co-authors are Jerry D. Slater, MD, Henry K. Tsai, MD and Carlos E. Vargas, MD.

Papers30
Years published2006 to 2024

Dr. Rossi's papers by year, 2006 to 2024

Topics Dr. Rossi writes about most

  • Prostatic Neoplasms
  • Proton Therapy
  • Radiotherapy Dosage
  • Radiotherapy, Conformal
  • Prostate-Specific Antigen
  • Adenocarcinoma
  • Radiation Injuries
  • Brachytherapy

Dr. Rossi's most frequent co-authors

Recent publications by Dr. Rossi

See all 30 publications and co-authors

See who Dr. Rossi researches with

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

How network discovery works

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

Dr. Carl J. Rossi Jr. has worked on 2 clinical trials

Dmand AI links Dr. Rossi to 2 clinical trials. 2 are still active or recruiting. Conditions studied include Prostatic Neoplasms and Prostatic Diseases. Proton Collaborative Group sponsors the most, 2.

Conditions in Dr. Rossi's trials

  • Prostatic Neoplasms
  • Prostatic Diseases

Investigators on the most trials with Dr. Rossi

Recent clinical trials with Dr. Rossi

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

Dr. Carl J. Rossi Jr. received $64,323 in industry payments from 2016 to 2024

CMS Open Payments shows 90 general payments to Dr. Rossi from 16 drug and device companies from 2016 to 2024. Travel and lodging make up the largest share, 68% of the total. Varian Medical Systems, Inc. paid the most, $63,738.

General payments to Dr. Rossi by program year, 2016 to 2024

General payments to Dr. Rossi by kind, 2016 to 2024

$64.3Kin total
  • Travel and lodging$43,44468%
  • Honoraria$10,45016%
  • Consulting fees$9,00014%
  • Food and beverage$1,4282%

Companies that paid Dr. Rossi the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Rossi

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

Dr. Carl J. Rossi Jr. has 4 awards and honors on record

Dmand AI lists 4 awards for Dr. Rossi, most recently America's Top Doctors in 2014.

Awards and honors for Dr. Rossi

  1. 2014
    • America's Top Doctors
  2. 2013
    • America's Top Doctors for Cancer
    • Top Doctors:San Diego Area
  3. 2012
    • Top Doctors:Southern California

Source: Dmand AI Professional Profile Data

Dr. Carl J. Rossi Jr. graduated from Loyola University Chicago Stritch School of Medicine

Dr. Rossi graduated from Loyola University Chicago Stritch School of Medicine in 1988.

  1. Medical schoolLoyola University Chicago Stritch School of Medicine
  2. Board certified in radiation oncologyAmerican Board of Radiology

Source: Dmand AI Professional Profile Data

Dr. Carl J. Rossi Jr. accepts plans from 13 insurance carriers

Dr. Rossi is in network with 13 carriers, including Aetna, Excellus BlueCross BlueShield and United Healthcare. HMO plans come from the most carriers, 8. Check the plan with the practice before a visit.

Plan types Dr. Rossi accepts, by number of carriers

  1. HMO8
  2. PPO7
  3. EPO5
  4. Medicare5
  5. POS5

Source: Dmand AI Insurance Network Data

Sources for Dr. Carl J. Rossi Jr.'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. Carl J. Rossi 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. Carl J. Rossi Jr.'s NPI number?

Dr. Carl J. Rossi Jr.'s NPI number is 1518983055. It was assigned on July 15, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Carl J. Rossi Jr.?

Dr. Carl J. Rossi Jr. is a radiation oncologist in San Diego, California. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).

Where does Dr. Carl J. Rossi Jr. practice?

Dr. Rossi practices at 9710 Summers Ridge Rd, San Diego, CA 92121. Dr. Rossi's primary practice is Proton Doctors Professional Corporation in San Diego, California. Dmand AI also links Dr. Rossi to 1 group practice or clinic.

What is Dr. Carl J. Rossi Jr.'s office phone number?

The practice phone on file for Dr. Rossi is (858) 549-7400.

What is Dr. Carl J. Rossi Jr.'s medical license number?

Dr. Rossi holds California license G66352, one of the licenses on file in 2 states.

Which states has Dr. Carl J. Rossi Jr. been licensed in?

Dmand AI has state licenses on file for Dr. Rossi in California (1989 to 2026) and Florida (2011 to 2013).

Which hospitals is Dr. Carl J. Rossi Jr. affiliated with?

Dr. Rossi is affiliated with Hillcrest Medical Center.

What medical group is Dr. Carl J. Rossi Jr. part of?

Dr. Rossi is linked to Proton Doctors PC.

Does Dr. Carl J. Rossi Jr. accept Medicare?

Yes. CMS data shows Dr. Rossi billed Medicare for 2,749 services in 2024, and Dr. Rossi accepts Medicare assignment.

Does Dr. Carl J. Rossi Jr. offer telehealth?

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

Show 11 more questionsShow fewer questions

What is Dr. Carl J. Rossi Jr.'s MIPS score?

Dr. Rossi's MIPS final score for performance year 2024 is 76 out of 100, reported as part of a group.

How many Medicare patients does Dr. Carl J. Rossi Jr. see?

CMS counts 311 Medicare patients who saw Dr. Rossi in 2024, with an average age of 73.

Is Dr. Carl J. Rossi Jr. board certified?

Yes. Dr. Rossi is board certified in radiation oncology by the American Board of Radiology.

What services does Dr. Carl J. Rossi Jr. bill to Medicare?

In 2024, Dr. Rossi's most billed Medicare services were radiation oncology (77427), radiation oncology (77525) and radiation oncology (77300).

Where did Dr. Carl J. Rossi Jr. go to medical school?

Dr. Rossi graduated from Loyola University Chicago Stritch School of Medicine in 1988.

What drugs does Dr. Carl J. Rossi Jr. prescribe most?

In 2024 Medicare Part D data, Dr. Rossi's most prescribed drugs by claims were Tamsulosin HCl.

Has Dr. Carl J. Rossi Jr. received payments from drug or device companies?

CMS Open Payments shows $64,323 in general payments to Dr. Rossi from 16 companies from 2016 to 2024. The largest total came from Varian Medical Systems, Inc.

How long has Dr. Carl J. Rossi Jr. been practicing?

Dr. Rossi graduated from medical school in 1988, 38 years ago.

Does Dr. Carl J. Rossi Jr. do research?

Dmand AI links 30 publications to Dr. Rossi, published from 2006 to 2024. Dr. Rossi has worked on 2 clinical trials.

Who does Dr. Carl J. Rossi Jr. publish with?

Dr. Rossi's most frequent co-authors are Jerry D. Slater, MD (12 shared papers), Henry K. Tsai, MD (9 shared papers) and Carlos E. Vargas, MD (9 shared papers).

What insurance does Dr. Carl J. Rossi Jr. accept?

Dr. Rossi is in network with 13 carriers, including Aetna, Excellus BlueCross BlueShield and United Healthcare. HMO plans come from the most carriers, 8. Check the plan with the practice before a visit.

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