Dr. Kathleen Balazy Jaffe, MD, MPH
- Medicare services, 2024
- 550
- Medicare patients, 2024
- 67
- Part D claims, 2024
- 19
- Hospital affiliations
- 1
- Industry payments
- $348
- Practice address
- 250 Bon Air Road, Greenbrae, CA 94904
- Practice phone
- Call (415) 925-7900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Jaffe'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. Kathleen Balazy Jaffe is a radiation oncologist in Greenbrae, California
Dr. Jaffe practices at MarinHealth Medical Center in Greenbrae, California, part of Marin Healthcare District.
Dr. Jaffe's NPI, 1386031649, was assigned on April 23, 2015. Dr. Jaffe graduated from Harvard Medical School in 2014. Dr. Jaffe's Oregon license number on file is 203975.
- NPI
- 1386031649NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406259803
- NPI enumeration date
- April 23, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 925-7900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kathleen Balazy Jaffe practices at MarinHealth Medical Center in Greenbrae, California
Dr. Jaffe's primary practice is MarinHealth Medical Center, at 250 Bon Air Road, Greenbrae, CA 94904 in Marin County. The practice phone is (415) 925-7900.
- MarinHealth Medical Center250 Bon Air Road, Greenbrae, CA 94904 · Marin CountyPhone(415) 925-7900
Source: Dmand AI Affiliation Data
Dr. Kathleen Balazy Jaffe is affiliated with 2 sites of care and 2 medical groups
Dr. Jaffe's primary practice is MarinHealth Medical Center in Greenbrae, California, part of Marin Healthcare District. The medical group on file is Marin Cancer Care. Dmand AI also links Dr. Jaffe to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Kathleen Balazy Jaffe's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Jaffe practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MarinHealth Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Marin Healthcare District and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Kathleen Balazy Jaffe is one of 685 radiation oncologists in California
Radiation oncology is Dr. Jaffe's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Jaffe is board certified in radiation oncology by the American Board of Radiology. Dmand AI has Dr. Jaffe's licenses on file in 3 states: Oregon, California and Washington.
Specialties and state licenses
- Radiation oncology, OregonPrimary
- California license
- Washington license
Clinical focus
Dmand AI lists bladder cancer radiation, bone cancer radiation, breast cancer radiation, colorectal cancer radiation, lung cancer radiation, lymphoma radiation and uterine cancer radiation among the conditions Dr. Jaffe treats.
Radiation oncologists near Dr. Jaffe
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. Kathleen Balazy Jaffe billed Medicare for 550 services in 2024
CMS data shows 550 Medicare services from Dr. Jaffe across 10 procedure codes in 2024, for 67 Medicare patients. Medicare paid $34,819 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Jaffe's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 5592024: 34538%
- Other services
- 2023: 1632024: 14511%
- Office and hospital visits
- 2023: 672024: 6010%
Dr. Jaffe compared with the California median for radiation oncologists, 2024
- Dr. Jaffe
- California median
- Medicare services
- 550vs 1,44462% below
- Medicare patients
- 67vs 16459% below
Medians across 633 radiation oncologists in California with Dmand AI profiles that report each measure.
Dr. Jaffe'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. Jaffe?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Jaffe and other radiation oncologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kathleen Balazy Jaffe treated 67 Medicare patients in 2024, average age 77
CMS counts 67 Medicare patients who saw Dr. Jaffe in 2024. The largest group is 75 to 84, with 31 patients. 75% of them have cancer, and 75% have high cholesterol. Their average risk score is 1.21, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Jaffe's median patient age at 71, with 82% women.
Dr. Jaffe's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Jaffe's Medicare patients, 2024
- Cancer75%
- High cholesterol75%
- High blood pressure54%
- Arthritis37%
- Osteoporosis28%
- Mood disorders21%
- Ischemic heart disease19%
- Anxiety18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Jaffe's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women82%
- Men14%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Kathleen Balazy Jaffe wrote 19 Medicare Part D claims in 2024
In 2024, Dr. Jaffe wrote 19 Medicare Part D claims for 11 patients. 84% of them were for generic drugs.
Dr. Jaffe's Part D claims by kind of drug, 2024
- Generic16 claims84%
- Brand-name and other3 claims16%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Kathleen Balazy Jaffe takes part in Medicare
Dr. Jaffe 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. Kathleen Balazy Jaffe received $348 in industry payments from 2023 to 2024
CMS Open Payments shows 4 general payments to Dr. Jaffe from 4 drug and device companies from 2023 to 2024. Food and beverage make up the largest share, 100% of the total. Novocure Inc. paid the most, $172.
General payments to Dr. Jaffe by program year, 2023 to 2024
Companies that paid Dr. Jaffe the most, 2023 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Kathleen Balazy Jaffe has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Jaffe, most recently Block Grant Fellowship in 2015.
Awards and honors for Dr. Jaffe
- 2015
- Block Grant Fellowship
- 2007
- Hodson Trust Scholar
Source: Dmand AI Professional Profile Data
Dr. Kathleen Balazy Jaffe graduated from Harvard Medical School
Dr. Jaffe graduated from Harvard Medical School in 2014. Dr. Jaffe is a member of ASTRO.
- Medical school
- Board certified in radiation oncology
Source: Dmand AI Professional Profile Data
Dr. Kathleen Balazy Jaffe accepts plans from 7 insurance carriers
Dr. Jaffe is in network with 7 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
- United Healthcare
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- Elevance
- HCSC
- Humana
Plan types Dr. Jaffe accepts, by number of carriers
- PPO3
- HMO2
- Medicare2
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Kathleen Balazy Jaffe'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 (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) |
| 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. Kathleen Balazy Jaffe
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. Kathleen Balazy Jaffe's NPI number?
Dr. Kathleen Balazy Jaffe's NPI number is 1386031649. It was assigned on April 23, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Kathleen Balazy Jaffe?
Dr. Kathleen Balazy Jaffe is a radiation oncologist in Greenbrae, California. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Kathleen Balazy Jaffe practice?
Dr. Jaffe practices at 250 Bon Air Road, Greenbrae, CA 94904. Dr. Jaffe's primary practice is MarinHealth Medical Center in Greenbrae, California, part of Marin Healthcare District. Dmand AI also links Dr. Jaffe to 1 group practice or clinic and 1 medical group.
What is Dr. Kathleen Balazy Jaffe's office phone number?
The practice phone on file for Dr. Jaffe is (415) 925-7900.
What is Dr. Kathleen Balazy Jaffe's medical license number?
Dr. Jaffe's Oregon license number on file is 203975, one of the licenses on file in 3 states.
Which states has Dr. Kathleen Balazy Jaffe been licensed in?
Dmand AI has state licenses on file for Dr. Jaffe in Oregon (2021 to 2025), California (2016 to 2026) and Washington (2021 to 2024).
Which hospitals is Dr. Kathleen Balazy Jaffe affiliated with?
Dr. Jaffe practices at MarinHealth Medical Center in Greenbrae, California.
What medical group is Dr. Kathleen Balazy Jaffe part of?
Dr. Jaffe is linked to Marin Cancer Care. Dmand AI links Dr. Jaffe to 1 more medical group.
Does Dr. Kathleen Balazy Jaffe accept Medicare?
Yes. CMS data shows Dr. Jaffe billed Medicare for 550 services in 2024, and Dr. Jaffe accepts Medicare assignment.
How many Medicare patients does Dr. Kathleen Balazy Jaffe see?
CMS counts 67 Medicare patients who saw Dr. Jaffe in 2024, with an average age of 77.
Show 6 more questionsShow fewer questions
Is Dr. Kathleen Balazy Jaffe board certified?
Yes. Dr. Jaffe is board certified in radiation oncology by the American Board of Radiology.
What services does Dr. Kathleen Balazy Jaffe bill to Medicare?
In 2024, Dr. Jaffe's most billed Medicare services were medicare service (G6002), radiation oncology (77334) and radiation oncology (77300).
Where did Dr. Kathleen Balazy Jaffe go to medical school?
Dr. Jaffe graduated from Harvard Medical School in 2014.
Has Dr. Kathleen Balazy Jaffe received payments from drug or device companies?
CMS Open Payments shows $348 in general payments to Dr. Jaffe from 4 companies from 2023 to 2024. The largest total came from Novocure Inc.
How long has Dr. Kathleen Balazy Jaffe been practicing?
Dr. Jaffe graduated from medical school in 2014, 12 years ago.
What insurance does Dr. Kathleen Balazy Jaffe accept?
Dr. Jaffe is in network with 7 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
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