Dr. Ari P. Ballonoff, MD
- Medicare services, 2024
- 222
- Medicare patients, 2024
- 42
- Part D claims, 2024
- 121
- Hospital affiliations
- 3
- Industry payments
- $489
- Practice address
- 10350 E Dakota Ave, Denver, CO 80247
- Practice phone
- Call (303) 338-4545
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Cpmg
Denver, Colorado
Find Dr. Ballonoff'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. Ari P. Ballonoff is a radiation oncologist in Denver, Colorado
Dr. Ballonoff practices at Cpmg in Denver, Colorado.
Dr. Ballonoff's NPI, 1689720260, was assigned on January 26, 2007. Dr. Ballonoff graduated from University of Colorado School of Medicine, Denver in 2003. Dr. Ballonoff holds Colorado license 046364.
- NPI
- 1689720260NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7113086133
- NPI enumeration date
- January 26, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (303) 338-4545
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ari P. Ballonoff practices at Cpmg in Denver, Colorado
Dr. Ballonoff's primary practice is Cpmg, at 10350 E Dakota Ave, Denver, CO 80247 in Arapahoe County. The practice phone is (303) 338-4545.
- Cpmg10350 E Dakota Ave, Denver, CO 80247 · Arapahoe CountyPhone(303) 338-4545
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ari P. Ballonoff is affiliated with 4 sites of care and 2 medical groups
Dr. Ballonoff's primary practice is Cpmg in Denver, Colorado. Dr. Ballonoff is also affiliated with Saint Joseph Hospital. The medical group on file is Colorado Permanente Medical Group. Dmand AI also links Dr. Ballonoff to 2 more hospitals and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ari P. Ballonoff's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ballonoff practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cpmg | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ari P. Ballonoff is one of 102 radiation oncologists in Colorado
Radiation oncology is Dr. Ballonoff's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Ballonoff is licensed in Colorado.
Specialties and state licenses
- Radiation oncology, ColoradoPrimary
Radiation oncologists near Dr. Ballonoff
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. Ari P. Ballonoff billed Medicare for 222 services in 2024
CMS data shows 222 Medicare services from Dr. Ballonoff across 8 procedure codes in 2024, for 42 Medicare patients. Medicare paid $31,686 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ballonoff's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 2502024: 20817%
- Office and hospital visits
- 2023: 152024: 147%
Dr. Ballonoff compared with the Colorado median for radiation oncologists, 2024
- Dr. Ballonoff
- Colorado median
- Medicare services
- 222vs 1,13981% below
- Medicare patients
- 42vs 16174% below
- Part D claims
- 58vs 4238% above
Medians across 101 radiation oncologists in Colorado with Dmand AI profiles that report each measure.
Dr. Ballonoff'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ballonoff and other radiation oncologists in Colorado.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ari P. Ballonoff treated 42 Medicare patients in 2024, average age 75
CMS counts 42 Medicare patients who saw Dr. Ballonoff in 2024. The largest group is 65 to 74, with 18 patients. 75% of them have cancer, and 69% have high cholesterol. Their average risk score is 2.29, 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. Ballonoff's median patient age at 68, with 53% women.
Dr. Ballonoff's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ballonoff's Medicare patients by sex, 2024
- Women2662%
- Men1638%
Chronic conditions among Dr. Ballonoff's Medicare patients, 2024
- Cancer75%
- High cholesterol69%
- High blood pressure64%
- COPD62%
- Arthritis55%
- Ischemic heart disease48%
- Chronic kidney disease36%
- Mood disorders33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ballonoff's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women53%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ari P. Ballonoff wrote 121 Medicare Part D claims in 2024
In 2024, Dr. Ballonoff wrote 121 Medicare Part D claims for 62 patients. 100% of them were for generic drugs. CMS names the drug for 58 of them, across 3 drugs with 11 or more claims each, at $1,134 in total drug cost. In 2023, CMS named 32 claims across 2 drugs.
Dr. Ballonoff'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: 5881%
Drugs named by CMS: 3 in 2024, 2 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. Ari P. Ballonoff takes part in Medicare
Dr. Ballonoff accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ari P. Ballonoff received $489 in industry payments from 2018 to 2025
CMS Open Payments shows 10 general payments to Dr. Ballonoff from 6 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $151.
General payments to Dr. Ballonoff by program year, 2018 to 2025
Companies that paid Dr. Ballonoff the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ari P. Ballonoff graduated from University of Colorado School of Medicine, Denver
Dr. Ballonoff graduated from University of Colorado School of Medicine, Denver in 2003.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ari P. Ballonoff'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Ari P. Ballonoff
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. Ari P. Ballonoff's NPI number?
Dr. Ari P. Ballonoff's NPI number is 1689720260. It was assigned on January 26, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Ari P. Ballonoff?
Dr. Ari P. Ballonoff is a radiation oncologist in Denver, Colorado. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Ari P. Ballonoff practice?
Dr. Ballonoff practices at 10350 E Dakota Ave, Denver, CO 80247. Dr. Ballonoff's primary practice is Cpmg in Denver, Colorado. Dmand AI also links Dr. Ballonoff to 2 hospitals and 1 medical group.
What is Dr. Ari P. Ballonoff's office phone number?
The practice phone on file for Dr. Ballonoff is (303) 338-4545.
What is Dr. Ari P. Ballonoff's medical license number?
Dr. Ballonoff holds Colorado license 046364.
Which hospitals is Dr. Ari P. Ballonoff affiliated with?
Dr. Ballonoff is affiliated with Saint Joseph Hospital. Dmand AI links Dr. Ballonoff to 2 more hospitals.
What medical group is Dr. Ari P. Ballonoff part of?
Dr. Ballonoff is linked to Colorado Permanente Medical Group. Dmand AI links Dr. Ballonoff to 1 more medical group.
Does Dr. Ari P. Ballonoff accept Medicare?
Yes. CMS data shows Dr. Ballonoff billed Medicare for 222 services in 2024, and Dr. Ballonoff accepts Medicare assignment.
How many Medicare patients does Dr. Ari P. Ballonoff see?
CMS counts 42 Medicare patients who saw Dr. Ballonoff in 2024, with an average age of 75.
What services does Dr. Ari P. Ballonoff bill to Medicare?
In 2024, Dr. Ballonoff's most billed Medicare services were radiation oncology (77300), radiation oncology (77263) and radiation oncology (77334).
Show 4 more questionsShow fewer questions
Where did Dr. Ari P. Ballonoff go to medical school?
Dr. Ballonoff graduated from University of Colorado School of Medicine, Denver in 2003.
What drugs does Dr. Ari P. Ballonoff prescribe most?
In 2024 Medicare Part D data, Dr. Ballonoff's most prescribed drugs by claims were Nystatin, Dexamethasone and Tamsulosin HCl.
Has Dr. Ari P. Ballonoff received payments from drug or device companies?
CMS Open Payments shows $489 in general payments to Dr. Ballonoff from 6 companies from 2018 to 2025. The largest total came from Medtronic, Inc.
How long has Dr. Ari P. Ballonoff been practicing?
Dr. Ballonoff graduated from medical school in 2003, 23 years ago.
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