Dr. Karen A. Tong, MD
- Medicare services, 2024
- 422
- Medicare patients, 2024
- 352
- Publications
- 18
- MIPS score, 2024
- 89
- Hospital affiliations
- 2
- Practice address
- 11234 Anderson St, Loma Linda, CA 92354
- Practice phone
- Call (909) 558-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Tong'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. Karen A. Tong is a diagnostic radiologist in Loma Linda, California
Dr. Tong practices at Loma Linda University Medical Center in Loma Linda, California, part of Seventh-day Adventist Church.
Dr. Tong's NPI, 1649296641, was assigned on July 14, 2006. Dr. Tong graduated from University of British Columbia in 1990. Dr. Tong holds California license G71966.
- NPI
- 1649296641NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2264594324
- NPI enumeration date
- July 14, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 558-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Karen A. Tong practices at Loma Linda University Medical Center in Loma Linda, California
Dr. Tong's primary practice is Loma Linda University Medical Center, at 11234 Anderson St, Loma Linda, CA 92354 in San Bernardino County. The practice phone is (909) 558-4000.
- Loma Linda University Medical Center11234 Anderson St, Loma Linda, CA 92354 · San Bernardino CountyPhone(909) 558-4000
Source: Dmand AI Affiliation Data
Dr. Karen A. Tong is affiliated with 2 sites of care and 1 medical group
Dr. Tong's primary practice is Loma Linda University Medical Center in Loma Linda, California, part of Seventh-day Adventist Church. Dr. Tong is also affiliated with Providence St. Mary Medical Center. The medical group on file is Loma Linda University Faculty Medical Group (LLUFMG).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Karen A. Tong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tong practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Loma Linda University Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Seventh-day Adventist Church and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Karen A. Tong is one of 4,096 diagnostic radiologists in California
Diagnostic radiology is Dr. Tong's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Tong is board certified in diagnostic radiology by the American Board of Radiology. Dmand AI has Dr. Tong's licenses on file in 2 states: California and Utah.
Specialties and state licenses
- Diagnostic radiology, CaliforniaPrimary
- Utah license
Diagnostic radiologists near Dr. Tong
Counts of diagnostic radiologists 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 A. Tong billed Medicare for 422 services in 2024
CMS data shows 422 Medicare services from Dr. Tong across 10 procedure codes in 2024, for 352 Medicare patients. Medicare paid $19,018 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Tong's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 4312024: 4222%
Dr. Tong compared with the California median for diagnostic radiologists, 2024
- Dr. Tong
- California median
- Medicare services
- 422vs 2,28181% below
- Medicare patients
- 352vs 1,34674% below
Medians across 3,734 diagnostic radiologists in California with Dmand AI profiles that report each measure.
Dr. Tong'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. Tong?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tong and other diagnostic radiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Karen A. Tong treated 352 Medicare patients in 2024, average age 72
CMS counts 352 Medicare patients who saw Dr. Tong in 2024. The largest group is 65 to 74, with 130 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 44% are also on Medicaid. Their average risk score is 2.05, 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. Tong's median patient age at 52, with 55% women.
Dr. Tong's Medicare patients by age, 2024
Dr. Tong's Medicare patients by sex, 2024
- Women20659%
- Men14641%
Chronic conditions among Dr. Tong's Medicare patients, 2024
- High blood pressure75%
- High cholesterol72%
- Arthritis62%
- Diabetes43%
- Stroke or TIA37%
- Ischemic heart disease35%
- Mood disorders35%
- Chronic kidney disease34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tong's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Karen A. Tong scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Tong for performance year 2024, reported as part of a group. Dr. Tong accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Tong's MIPS scores, performance year 2024
- 89of 100Final score
- 72.1of 100Quality
- 80of 100Promoting Interoperability
- 40of 100Improvement Activities
- 77of 100Cost
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. Karen A. Tong has 18 publications on record
Dmand AI links 18 papers to Dr. Tong, published from 2004 to 2021. 2014 was the busiest year, with 4. The most frequent topics are Brain, Brain Injuries and Magnetic Resonance Imaging. Dr. Tong has published most often in J Neurotrauma. Dr. Tong's most frequent co-authors are Stephen Ashwal, MD, Jill V. Hunter, MBBS and Stanley Barnes, MD.
Dr. Tong's papers by year, 2004 to 2021
Topics Dr. Tong writes about most
- Brain
- Brain Injuries
- Magnetic Resonance Imaging
- Diffusion Tensor Imaging
- Image Interpretation, Computer-Assisted
- Magnetic Resonance Spectroscopy
- Brain Diseases
- Brain Injuries, Traumatic
Dr. Tong's most frequent co-authors
- Stephen Ashwal, MD9 shared papers
- Jill V. Hunter, MBBS2 shared papers
- Stanley Barnes, MD1 shared paper
Recent publications by Dr. Tong
J Neurotrauma
See who Dr. Tong researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tong works with, so you can find a warm path to the right diagnostic radiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Karen A. Tong received $17 in industry payments in 2022
CMS Open Payments shows 1 general payment to Dr. Tong from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. Viz.ai, Inc. paid the most, $17.
Companies that paid Dr. Tong the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Karen A. Tong graduated from University of British Columbia
Dr. Tong graduated from University of British Columbia in 1990.
- Medical school
- Board certified in diagnostic radiology
Source: Dmand AI Professional Profile Data
Dr. Karen A. Tong accepts plans from 4 insurance carriers
Dr. Tong is in network with 4 carriers, including Excellus BlueCross BlueShield, CMS Medicare and Molina. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
- Excellus BlueCross BlueShield
- CMS Medicare
- Molina
- NV State Medicaid
Plan types Dr. Tong accepts, by number of carriers
- Medicare3
- EPO1
- HMO1
- Medicaid1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Karen A. Tong'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors 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-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) |
| 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. Karen A. Tong
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 A. Tong's NPI number?
Dr. Karen A. Tong's NPI number is 1649296641. It was assigned on July 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Karen A. Tong?
Dr. Karen A. Tong is a diagnostic radiologist in Loma Linda, California. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Karen A. Tong practice?
Dr. Tong practices at 11234 Anderson St, Loma Linda, CA 92354. Dr. Tong's primary practice is Loma Linda University Medical Center in Loma Linda, California, part of Seventh-day Adventist Church.
What is Dr. Karen A. Tong's office phone number?
The practice phone on file for Dr. Tong is (909) 558-4000.
What is Dr. Karen A. Tong's medical license number?
Dr. Tong holds California license G71966, one of the licenses on file in 2 states.
Which states has Dr. Karen A. Tong been licensed in?
Dmand AI has state licenses on file for Dr. Tong in California (1991 to 2026) and Utah (1993 to 2022).
Which hospitals is Dr. Karen A. Tong affiliated with?
Dr. Tong practices at Loma Linda University Medical Center in Loma Linda, California. Dr. Tong is also affiliated with Providence St. Mary Medical Center.
What medical group is Dr. Karen A. Tong part of?
Dr. Tong is linked to Loma Linda University Faculty Medical Group (LLUFMG).
Does Dr. Karen A. Tong accept Medicare?
Yes. CMS data shows Dr. Tong billed Medicare for 422 services in 2024, and Dr. Tong accepts Medicare assignment.
What is Dr. Karen A. Tong's MIPS score?
Dr. Tong's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
Show 9 more questionsShow fewer questions
How many Medicare patients does Dr. Karen A. Tong see?
CMS counts 352 Medicare patients who saw Dr. Tong in 2024, with an average age of 72.
Is Dr. Karen A. Tong board certified?
Yes. Dr. Tong is board certified in diagnostic radiology by the American Board of Radiology.
What services does Dr. Karen A. Tong bill to Medicare?
In 2024, Dr. Tong's most billed Medicare services were diagnostic imaging (70450), diagnostic imaging (70553) and diagnostic imaging (70498).
Where did Dr. Karen A. Tong go to medical school?
Dr. Tong graduated from University of British Columbia in 1990.
Has Dr. Karen A. Tong received payments from drug or device companies?
CMS Open Payments shows $17 in general payments to Dr. Tong from 1 company from 2022 to 2022. The largest total came from Viz.ai, Inc.
How long has Dr. Karen A. Tong been practicing?
Dr. Tong graduated from medical school in 1990, 36 years ago.
Does Dr. Karen A. Tong do research?
Dmand AI links 18 publications to Dr. Tong, published from 2004 to 2021.
Who does Dr. Karen A. Tong publish with?
Dr. Tong's most frequent co-authors are Stephen Ashwal, MD (9 shared papers), Jill V. Hunter, MBBS (2 shared papers) and Stanley Barnes, MD (1 shared paper).
What insurance does Dr. Karen A. Tong accept?
Dr. Tong is in network with 4 carriers, including Excellus BlueCross BlueShield, CMS Medicare and Molina. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
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