Dr. Karen E. Tye, MD

  • San Diego, CA
  • Radiation oncologist
NPI1225490147PAC ID5890061170
Medicare services, 2024
1,101
Medicare patients, 2024
129
Part D claims, 2024
195
Publications
22
MIPS score, 2024
100
Practice address
200 W Arbor Dr, San Diego, CA 92103
Practice phone
Call (619) 543-6222
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

UCSD Hillcrest Medical Center

San Diego, California

See all 4 affiliations

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Dr. Karen E. Tye is a radiation oncologist in San Diego, California

Dr. Tye practices at UCSD Hillcrest Medical Center in San Diego, California.

Dr. Tye's NPI, 1225490147, was assigned on March 22, 2016. Dr. Tye graduated from University of Illinois College of Medicine - Chicago in 2016. Dr. Tye's California license number on file is A156529.

NPI and contact details
Medicare PAC ID
5890061170
NPI enumeration date
March 22, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(619) 543-6222
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
36
Medical school graduation
2016

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

Dr. Karen E. Tye practices at UCSD Hillcrest Medical Center in San Diego, California

Dr. Tye's primary practice is UCSD Hillcrest Medical Center, at 200 W Arbor Dr, San Diego, CA 92103 in San Diego County. The practice phone is (619) 543-6222.

  • UCSD Hillcrest Medical Center
    200 W Arbor Dr, San Diego, CA 92103 · San Diego CountyPhone(619) 543-6222

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

Dr. Karen E. Tye is affiliated with 2 sites of care and 2 medical groups

Dr. Tye's primary practice is UCSD Hillcrest Medical Center in San Diego, California. Dr. Tye is also affiliated with Hillcrest Medical Center. The medical group on file is UC San Diego Health. Dmand AI also links Dr. Tye to 1 more medical group, named with a free account.

See all 4 affiliations for Dr. Tye

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. Karen E. Tye's practice

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

EHR by site
SiteEHR vendor and product
UCSD Hillcrest Medical CenterAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Karen E. Tye is one of 685 radiation oncologists in California

Radiation oncology is Dr. Tye's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Tye is board certified in radiation oncology by the American Board of Radiology. Dmand AI has Dr. Tye's licenses on file in 4 states: California, North Carolina, Minnesota and Illinois.

Specialties and state licenses

  • Radiation oncology, CaliforniaPrimaryLicense A156529 · 2018 to 2025 · taxonomy 2085R0001X
  • North Carolina license2021 to 2023
  • Minnesota license2017 to 2021
  • Illinois license2016 to 2017

Clinical focus

Dmand AI lists breast cancer radiation, colorectal cancer radiation, pancreatic cancer radiation and uterine cancer radiation among the conditions Dr. Tye treats.

Radiation oncologists near Dr. Tye

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. Karen E. Tye billed Medicare for 1,101 services in 2024

CMS data shows 1,101 Medicare services from Dr. Tye across 16 procedure codes in 2024, for 129 Medicare patients. Medicare paid $76,620 for them. Every service was in an office.

Medicare services, 20241,101
Medicare patients129
Paid by Medicare$76,620
Procedure codes16

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

  • 2023
  • 2024
Imaging
2023: 3582024: 837134%
Other services
2023: 542024: 156189%
Office and hospital visits
2023: 162024: 108575%

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

  • Dr. Tye
  • California median
Medicare services
1,101vs 1,44424% below
Medicare patients
129vs 16421% below
Part D claims
117vs 323.7 times

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

Dr. Tye'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. Tye

Need commercial claims for Dr. Tye?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tye 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. Karen E. Tye treated 129 Medicare patients in 2024, average age 74

CMS counts 129 Medicare patients who saw Dr. Tye in 2024. The largest group is 65 to 74, with 62 patients. 75% of them have cancer, and 66% have high blood pressure. 17% are also on Medicaid. Their average risk score is 1.70, 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. Tye's median patient age at 71, with 62% women.

Medicare patients, 2024129
Average age74
Average risk score1.70
Also on Medicaid17%

Dr. Tye's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Tye's Medicare patients by sex, 2024

  • Women7558%
  • Men5442%

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

  1. Cancer75%
  2. High blood pressure66%
  3. High cholesterol59%
  4. Arthritis40%
  5. Anxiety26%
  6. Mood disorders22%
  7. Osteoporosis21%
  8. Chronic kidney disease19%

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

Dr. Tye'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

  • Women62%
  • Men38%

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

Dr. Karen E. Tye wrote 195 Medicare Part D claims in 2024

In 2024, Dr. Tye wrote 195 Medicare Part D claims for 99 patients. 92% of them were for generic drugs. CMS names the drug for 117 of them, across 2 drugs with 11 or more claims each, at $1,994 in total drug cost. In 2023, CMS named 42 claims across 1 drug.

Part D claims, 2024195
Drugs named by CMS2
Total drug cost$1,994
Part D patients99

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

  • Generic180 claims92%
  • Brand-name15 claims8%

Dr. Tye'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: 422024: 117179%

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

See all prescribing by Dr. Tye

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. Karen E. Tye scored 100 out of 100 in Medicare's MIPS program for 2024

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

Accepts Medicare assignment
Yes

Dr. Tye's MIPS scores, performance year 2024

  • 100of 100Final score
  • 89.3of 100Quality
  • 100of 100Promoting Interoperability
  • 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

For MedTech and pharma teams

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Dr. Karen E. Tye has 22 publications on record

Dmand AI links 22 papers to Dr. Tye, published from 2014 to 2025. 2020 was the busiest year, with 4. The most frequent topics are Radiation Oncology, Internship and Residency and COVID-19. Dr. Tye has published most often in Int J Radiat Oncol Biol Phys. Dr. Tye's most frequent co-authors are Shauna Rosalie Campbell, DO, Chelain Rae Goodman, MD, PhD and Elizabeth Belle Jeans, MD.

Papers22
Years published2014 to 2025

Dr. Tye's papers by year, 2014 to 2025

Topics Dr. Tye writes about most

  • Radiation Oncology
  • Internship and Residency
  • COVID-19
  • Pandemics
  • Biomarkers, Tumor
  • Career Choice
  • Cell Cycle Proteins
  • Certification

Dr. Tye's most frequent co-authors

Recent publications by Dr. Tye

See all 22 publications and co-authors

See who Dr. Tye researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tye 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. Karen E. Tye received $351 in industry payments from 2018 to 2025

CMS Open Payments shows 5 general payments to Dr. Tye from 5 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. GT Medical Technologies, Inc paid the most, $297.

General payments to Dr. Tye by program year, 2018 to 2025

Companies that paid Dr. Tye the most, 2018 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Tye

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

Dr. Karen E. Tye graduated from University of Illinois College of Medicine - Chicago

Dr. Tye graduated from University of Illinois College of Medicine - Chicago in 2016. Dr. Tye is a member of ASTRO.

  1. Medical schoolUniversity of Illinois College of Medicine - Chicago
  2. Board certified in radiation oncologyAmerican Board of Radiology

Source: Dmand AI Professional Profile Data

Dr. Karen E. Tye accepts plans from 15 insurance carriers

Dr. Tye is in network with 15 carriers, including Aetna, United Healthcare and Cigna. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.

Plan types Dr. Tye accepts, by number of carriers

  1. HMO9
  2. PPO9
  3. Medicare6
  4. EPO4
  5. POS3

Source: Dmand AI Insurance Network Data

Sources for Dr. Karen E. Tye'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 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)
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
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. Karen E. Tye

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. Karen E. Tye's NPI number?

Dr. Karen E. Tye's NPI number is 1225490147. It was assigned on March 22, 2016, and it is active in the NPI Registry.

What kind of doctor is Dr. Karen E. Tye?

Dr. Karen E. Tye 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. Karen E. Tye practice?

Dr. Tye practices at 200 W Arbor Dr, San Diego, CA 92103. Dr. Tye's primary practice is UCSD Hillcrest Medical Center in San Diego, California. Dmand AI also links Dr. Tye to 1 medical group.

What is Dr. Karen E. Tye's office phone number?

The practice phone on file for Dr. Tye is (619) 543-6222.

What is Dr. Karen E. Tye's medical license number?

Dr. Tye's California license number on file is A156529, one of the licenses on file in 4 states.

Which states has Dr. Karen E. Tye been licensed in?

Dmand AI has state licenses on file for Dr. Tye in California (2018 to 2025), North Carolina (2021 to 2023), Minnesota (2017 to 2021) and Illinois (2016 to 2017).

Which hospitals is Dr. Karen E. Tye affiliated with?

Dr. Tye is affiliated with Hillcrest Medical Center.

What medical group is Dr. Karen E. Tye part of?

Dr. Tye is linked to UC San Diego Health. Dmand AI links Dr. Tye to 1 more medical group.

Does Dr. Karen E. Tye accept Medicare?

Yes. CMS data shows Dr. Tye billed Medicare for 1,101 services in 2024, and Dr. Tye accepts Medicare assignment.

What is Dr. Karen E. Tye's MIPS score?

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

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Karen E. Tye see?

CMS counts 129 Medicare patients who saw Dr. Tye in 2024, with an average age of 74.

Is Dr. Karen E. Tye board certified?

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

What services does Dr. Karen E. Tye bill to Medicare?

In 2024, Dr. Tye's most billed Medicare services were radiation oncology (77014), medicare service (G6002) and radiation oncology (77427).

Where did Dr. Karen E. Tye go to medical school?

Dr. Tye graduated from University of Illinois College of Medicine - Chicago in 2016.

What drugs does Dr. Karen E. Tye prescribe most?

In 2024 Medicare Part D data, Dr. Tye's most prescribed drugs by claims were Mometasone Furoate and Tamsulosin HCl.

Has Dr. Karen E. Tye received payments from drug or device companies?

CMS Open Payments shows $351 in general payments to Dr. Tye from 5 companies from 2018 to 2025. The largest total came from GT Medical Technologies, Inc.

How long has Dr. Karen E. Tye been practicing?

Dr. Tye graduated from medical school in 2016, 10 years ago.

Does Dr. Karen E. Tye do research?

Dmand AI links 22 publications to Dr. Tye, published from 2014 to 2025.

Who does Dr. Karen E. Tye publish with?

Dr. Tye's most frequent co-authors are Shauna Rosalie Campbell, DO (7 shared papers), Chelain Rae Goodman, MD, PhD (7 shared papers) and Elizabeth Belle Jeans, MD (7 shared papers).

What insurance does Dr. Karen E. Tye accept?

Dr. Tye is in network with 15 carriers, including Aetna, United Healthcare and Cigna. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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