Dr. Timothy Leigh Larson, MD
- Medicare services, 2024
- 735
- Medicare patients, 2024
- 699
- Hospital affiliations
- 5
- Industry payments
- $146
- Medical groups
- 12
- Practice address
- 1035-116Th Ave NE, Bellevue, WA 98004
- Practice phone
- Call (425) 688-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Larson's professional email, personal email and mobile number
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Dr. Timothy Leigh Larson is a neuroradiologist in Bellevue, Washington
Dr. Larson practices at Overlake Medical Center in Bellevue, Washington, part of MultiCare Health System.
Dr. Larson's NPI, 1679500433, was assigned on June 27, 2006. Dr. Larson graduated from University of Washington School of Medicine in 1983. Dr. Larson holds Washington license MD00024859.
- NPI
- 1679500433NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567358831
- NPI enumeration date
- June 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (425) 688-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Timothy Leigh Larson practices at Overlake Medical Center in Bellevue, Washington
Dr. Larson's primary practice is Overlake Medical Center, at 1035-116Th Ave NE, Bellevue, WA 98004 in King County. The practice phone is (425) 688-5000.
- Overlake Medical Center1035-116Th Ave NE, Bellevue, WA 98004 · King CountyPhone(425) 688-5000
Source: Dmand AI Affiliation Data
Dr. Timothy Leigh Larson is affiliated with 17 sites of care and 12 medical groups
Dr. Larson's primary practice is Overlake Medical Center in Bellevue, Washington, part of MultiCare Health System. Dr. Larson is also affiliated with Providence Regional Medical Center Everett. The medical group on file is Radia. Dmand AI also links Dr. Larson to 3 more hospitals, 11 group practices and clinics, 11 medical groups and 1 ambulatory surgery center, 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. Timothy Leigh Larson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Larson practices, 17 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Overlake Medical Center | Available with a free account |
| +16 more sites and 11 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Timothy Leigh Larson is one of 34 neuroradiologists in Washington
Neuroradiology is Dr. Larson's primary specialty in the NPI Registry, under taxonomy code 2085N0700X. Dr. Larson is licensed in Washington.
Specialties and state licenses
- Neuroradiology, WashingtonPrimary
Neuroradiologists near Dr. Larson
Counts of neuroradiologists 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 Leigh Larson billed Medicare for 735 services in 2024
CMS data shows 735 Medicare services from Dr. Larson across 14 procedure codes in 2024, for 699 Medicare patients. Medicare paid $16,582 for them.
Dr. Larson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 1,1172024: 73534%
- Other services
- 2023: 10,9712024: 0100%
Where Dr. Larson's Medicare services took place, 2024
- In an office18125%
- In a facility55475%
Dr. Larson compared with the Washington median for neuroradiologists, 2024
- Dr. Larson
- Washington median
- Medicare services
- 735vs 3,20177% below
- Medicare patients
- 699vs 1,35748% below
Medians across 29 neuroradiologists in Washington with Dmand AI profiles that report each measure.
Dr. Larson'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. Larson and other neuroradiologists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Timothy Leigh Larson treated 699 Medicare patients in 2024, average age 77
CMS counts 699 Medicare patients who saw Dr. Larson in 2024. The largest group is 75 to 84, with 273 patients. 74% of them have high cholesterol, and 73% have high blood pressure. 10% are also on Medicaid. Their average risk score is 1.31, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Larson's median patient age at 70, with 59% women.
Dr. Larson's Medicare patients by age, 2024
Dr. Larson's Medicare patients by sex, 2024
- Women41559%
- Men28441%
Chronic conditions among Dr. Larson's Medicare patients, 2024
- High cholesterol74%
- High blood pressure73%
- Arthritis66%
- Mood disorders33%
- Depression30%
- Anxiety28%
- Ischemic heart disease27%
- Diabetes25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Larson'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
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Timothy Leigh Larson takes part in Medicare
Dr. Larson 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. Timothy Leigh Larson received $146 in industry payments in 2023
CMS Open Payments shows 1 general payment to Dr. Larson from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $146.
Companies that paid Dr. Larson the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Timothy Leigh Larson graduated from University of Washington School of Medicine
Dr. Larson graduated from University of Washington School of Medicine in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Timothy Leigh Larson'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) |
| 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. Timothy Leigh Larson
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 Leigh Larson's NPI number?
Dr. Timothy Leigh Larson's NPI number is 1679500433. It was assigned on June 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Timothy Leigh Larson?
Dr. Timothy Leigh Larson is a neuroradiologist in Bellevue, Washington. The primary specialty in the NPI Registry is Neuroradiology Physician (taxonomy code 2085N0700X).
Where does Dr. Timothy Leigh Larson practice?
Dr. Larson practices at 1035-116Th Ave NE, Bellevue, WA 98004. Dr. Larson's primary practice is Overlake Medical Center in Bellevue, Washington, part of MultiCare Health System. Dmand AI also links Dr. Larson to 3 hospitals, 11 group practices and clinics, 11 medical groups and 1 ambulatory surgery center.
What is Dr. Timothy Leigh Larson's office phone number?
The practice phone on file for Dr. Larson is (425) 688-5000.
What is Dr. Timothy Leigh Larson's medical license number?
Dr. Larson holds Washington license MD00024859.
Which hospitals is Dr. Timothy Leigh Larson affiliated with?
Dr. Larson practices at Overlake Medical Center in Bellevue, Washington. Dr. Larson is also affiliated with Providence Regional Medical Center Everett. Dmand AI links Dr. Larson to 3 more hospitals.
What medical group is Dr. Timothy Leigh Larson part of?
Dr. Larson is linked to Radia. Dmand AI links Dr. Larson to 11 more medical groups.
Does Dr. Timothy Leigh Larson accept Medicare?
Yes. CMS data shows Dr. Larson billed Medicare for 735 services in 2024, and Dr. Larson accepts Medicare assignment.
How many Medicare patients does Dr. Timothy Leigh Larson see?
CMS counts 699 Medicare patients who saw Dr. Larson in 2024, with an average age of 77.
What services does Dr. Timothy Leigh Larson bill to Medicare?
In 2024, Dr. Larson's most billed Medicare services were diagnostic imaging (72100), diagnostic imaging (70450) and diagnostic imaging (72110).
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Where did Dr. Timothy Leigh Larson go to medical school?
Dr. Larson graduated from University of Washington School of Medicine in 1983.
Has Dr. Timothy Leigh Larson received payments from drug or device companies?
CMS Open Payments shows $146 in general payments to Dr. Larson from 1 company from 2023 to 2023. The largest total came from Boston Scientific Corporation.
How long has Dr. Timothy Leigh Larson been practicing?
Dr. Larson graduated from medical school in 1983, 43 years ago.
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