Dr. Timothy S. Kristedja, MD
- Medicare services, 2024
- 37,785
- Medicare patients, 2024
- 607
- Part D claims, 2024
- 898
- Publications
- 5
- MIPS score, 2024
- 90
- Practice address
- 2001 Santa Monica Blvd, Santa Monica, CA 90404
- Practice phone
- Call (310) 829-5550
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Santa Monica Surgicenter
Santa Monica, California
Find Dr. Kristedja'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. Timothy S. Kristedja is a hematologist and oncologist in Santa Monica, California
Dr. Kristedja practices at Santa Monica Surgicenter in Santa Monica, California.
Dr. Kristedja's NPI, 1881897494, was assigned on June 9, 2007. Dr. Kristedja graduated from University of Dublin Trinity College in 2006. Dr. Kristedja holds California license A108522.
- NPI
- 1881897494NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0840447942
- NPI enumeration date
- June 9, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (310) 829-5550
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Timothy S. Kristedja practices at Santa Monica Surgicenter in Santa Monica, California
Dr. Kristedja's primary practice is Santa Monica Surgicenter, at 2001 Santa Monica Blvd, Santa Monica, CA 90404 in Los Angeles County. The practice phone is (310) 829-5550.
- Santa Monica Surgicenter2001 Santa Monica Blvd, Santa Monica, CA 90404 · Los Angeles CountyPhone(310) 829-5550
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Timothy S. Kristedja is affiliated with 4 sites of care and 2 medical groups
Dr. Kristedja's primary practice is Santa Monica Surgicenter in Santa Monica, California. Dr. Kristedja is also affiliated with Providence Saint John's Health Center. The medical group on file is Saint John's Physician Partners. Dmand AI also links Dr. Kristedja to 1 more community health center, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Timothy S. Kristedja's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kristedja practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Santa Monica Surgicenter | 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. Timothy S. Kristedja is one of 1,502 hematologists and oncologists in California
Hematology and oncology is Dr. Kristedja's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Kristedja is board certified in hematology by the American Board of Internal Medicine. Dr. Kristedja is licensed in California.
Specialties and state licenses
- Hematology and oncology, CaliforniaPrimary
Clinical focus
Dmand AI lists arterial blot clot /embolism, breast cancer, chronic anemia, chronic embolism thrombosis, colorectal cancer, deep vein thrombosis (DVT), lung cancer and lymphoma among the conditions Dr. Kristedja treats.
Hematologists and oncologists near Dr. Kristedja
Counts of hematologists and 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. Timothy S. Kristedja billed Medicare for 37,785 services in 2024
CMS data shows 37,785 Medicare services from Dr. Kristedja across 31 procedure codes in 2024, for 607 Medicare patients. Medicare paid $277,369 for them.
Dr. Kristedja's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 23,4602024: 24,4974%
- Drugs given in the office
- 2023: 1,8702024: 9,164390%
- Office and hospital visits
- 2023: 1,2562024: 1,59527%
- Lab and pathology
- 2023: 9582024: 1,20626%
- Tests and treatments
- 2023: 6202024: 81031%
- Surgery
- 2023: 4372024: 51317%
Where Dr. Kristedja's Medicare services took place, 2024
- In an office37,15798%
- In a facility6282%
Dr. Kristedja compared with the California median for hematologists and oncologists, 2024
- Dr. Kristedja
- California median
- Medicare services
- 37,785vs 93240.5 times
- Medicare patients
- 607vs 2252.7 times
- Part D claims
- 625vs 39459% above
Medians across 1,367 hematologists and oncologists in California with Dmand AI profiles that report each measure.
Dr. Kristedja'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. Kristedja?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kristedja and other hematologists and oncologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Timothy S. Kristedja treated 607 Medicare patients in 2024, average age 78
CMS counts 607 Medicare patients who saw Dr. Kristedja in 2024. The largest group is 75 to 84, with 235 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 10% are also on Medicaid. Their average risk score is 1.99, 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. Kristedja's median patient age at 70, with 61% women.
Dr. Kristedja's Medicare patients by age, 2024
Dr. Kristedja's Medicare patients by sex, 2024
- Women32654%
- Men28146%
Chronic conditions among Dr. Kristedja's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis56%
- Ischemic heart disease46%
- Cancer39%
- Osteoporosis30%
- Chronic kidney disease29%
- Anxiety27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kristedja's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Timothy S. Kristedja wrote 898 Medicare Part D claims in 2024
In 2024, Dr. Kristedja wrote 898 Medicare Part D claims for 150 patients. 66% of them were for generic drugs. CMS names the drug for 625 of them, across 25 drugs with 11 or more claims each, at $1,787,994 in total drug cost. In 2023, CMS named 483 claims across 20 drugs.
Dr. Kristedja's Part D claims by kind of drug, 2024
- Generic594 claims66%
- Brand-name304 claims34%
Dr. Kristedja'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.
Drug classes CMS tracks in Dr. Kristedja's Part D claims, 2024
- Opioids3%24 of 898 claims
- Antibiotics5%43 of 898 claims
- Antipsychotics, patients 65 and over1%11 of 898 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4832024: 62529%
Drugs named by CMS: 25 in 2024, 20 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
Dr. Timothy S. Kristedja scored 90 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Kristedja for performance year 2024, reported as part of a group. Dr. Kristedja accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Kristedja as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Kristedja's MIPS scores, performance year 2024
- 90of 100Final score
- 96.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 72of 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. Timothy S. Kristedja has 5 publications on record
Dmand AI links 5 papers to Dr. Kristedja. The most frequent topics are Melanoma, Tamoxifen and Antibodies, Monoclonal, Humanized. Dr. Kristedja's most frequent co-authors are Steven J. O'Day, MD, Luke Philip Dreisbach, MD and Mohammed Mahmoud Milhem, MBBS.
Topics Dr. Kristedja writes about most
- Melanoma
- Tamoxifen
- Antibodies, Monoclonal, Humanized
- Antineoplastic Agents, Hormonal
- Antineoplastic Combined Chemotherapy Protocols
- Interleukin-2
Dr. Kristedja's most frequent co-authors
- Steven J. O'Day, MD2 shared papers
- Luke Philip Dreisbach, MD1 shared paper
- Mohammed Mahmoud Milhem, MBBS1 shared paper
Recent publications by Dr. Kristedja
Am J Clin Oncol
Womens Health (Lond)
See who Dr. Kristedja researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kristedja works with, so you can find a warm path to the right hematologists and oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Timothy S. Kristedja received $1,843 in industry payments from 2016 to 2025
CMS Open Payments shows 47 general payments to Dr. Kristedja from 15 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 85% of the total. Janssen Pharmaceuticals, Inc paid the most, $523.
General payments to Dr. Kristedja by program year, 2016 to 2025
General payments to Dr. Kristedja by kind, 2016 to 2025
- Food and beverage$1,57085%
- Education$27315%
Companies that paid Dr. Kristedja the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Timothy S. Kristedja graduated from University of Dublin Trinity College
Dr. Kristedja graduated from University of Dublin Trinity College in 2006.
- Medical school
- Board certified in hematology
- Board certified in medical oncology
- Board certified in hematology
- Board certified in internal medicine
- Board certified in medical oncology
Source: Dmand AI Professional Profile Data
Dr. Timothy S. Kristedja accepts plans from 13 insurance carriers
Dr. Kristedja is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +5 more carriersWith a free account
Plan types Dr. Kristedja accepts, by number of carriers
- PPO9
- Medicare7
- HMO6
- EPO4
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. Timothy S. Kristedja'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 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)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. Timothy S. Kristedja
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. Timothy S. Kristedja's NPI number?
Dr. Timothy S. Kristedja's NPI number is 1881897494. It was assigned on June 9, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Timothy S. Kristedja?
Dr. Timothy S. Kristedja is a hematologist and oncologist in Santa Monica, California. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Timothy S. Kristedja practice?
Dr. Kristedja practices at 2001 Santa Monica Blvd, Santa Monica, CA 90404. Dr. Kristedja's primary practice is Santa Monica Surgicenter in Santa Monica, California. Dmand AI also links Dr. Kristedja to 1 community health center, 1 group practice or clinic and 1 medical group.
What is Dr. Timothy S. Kristedja's office phone number?
The practice phone on file for Dr. Kristedja is (310) 829-5550.
What is Dr. Timothy S. Kristedja's medical license number?
Dr. Kristedja holds California license A108522.
Which hospitals is Dr. Timothy S. Kristedja affiliated with?
Dr. Kristedja is affiliated with Providence Saint John's Health Center.
What medical group is Dr. Timothy S. Kristedja part of?
Dr. Kristedja is linked to Saint John's Physician Partners. Dmand AI links Dr. Kristedja to 1 more medical group.
Does Dr. Timothy S. Kristedja accept Medicare?
Yes. CMS data shows Dr. Kristedja billed Medicare for 37,785 services in 2024, and Dr. Kristedja accepts Medicare assignment.
Does Dr. Timothy S. Kristedja offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Kristedja as offering telehealth services.
What is Dr. Timothy S. Kristedja's MIPS score?
Dr. Kristedja's MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Timothy S. Kristedja see?
CMS counts 607 Medicare patients who saw Dr. Kristedja in 2024, with an average age of 78.
Is Dr. Timothy S. Kristedja board certified?
Yes. Dr. Kristedja is board certified in hematology by the American Board of Internal Medicine.
What services does Dr. Timothy S. Kristedja bill to Medicare?
In 2024, Dr. Kristedja's most billed Medicare services were medicare temporary code (Q0138), injected or infused drug (J0185) and injected or infused drug (J0897).
Where did Dr. Timothy S. Kristedja go to medical school?
Dr. Kristedja graduated from University of Dublin Trinity College in 2006.
What drugs does Dr. Timothy S. Kristedja prescribe most?
In 2024 Medicare Part D data, Dr. Kristedja's most prescribed drugs by claims were Eliquis, Hydroxyurea and Prednisone.
Has Dr. Timothy S. Kristedja received payments from drug or device companies?
CMS Open Payments shows $1,843 in general payments to Dr. Kristedja from 15 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Timothy S. Kristedja been practicing?
Dr. Kristedja graduated from medical school in 2006, 20 years ago.
Does Dr. Timothy S. Kristedja do research?
Dmand AI links 5 publications to Dr. Kristedja.
Who does Dr. Timothy S. Kristedja publish with?
Dr. Kristedja's most frequent co-authors are Steven J. O'Day, MD (2 shared papers), Luke Philip Dreisbach, MD (1 shared paper) and Mohammed Mahmoud Milhem, MBBS (1 shared paper).
What insurance does Dr. Timothy S. Kristedja accept?
Dr. Kristedja is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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