Dr. Lennart Cu Tan, MD
- Medicare services, 2024
- 2,633
- Medicare patients, 2024
- 855
- Hospital affiliations
- 5
- Industry payments
- $13
- Medical groups
- 4
- 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. Tan's professional email, personal email and mobile number
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Dr. Lennart Cu Tan is a pathologist in Bellevue, Washington
Dr. Tan practices at Overlake Medical Center in Bellevue, Washington, part of MultiCare Health System.
Dr. Tan's NPI, 1982668364, was assigned on April 13, 2006. Dr. Tan graduated from Indiana University School of Medicine in 1998. Dr. Tan holds Washington license MD00043826.
- NPI
- 1982668364NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163492901
- NPI enumeration date
- April 13, 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
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lennart Cu Tan practices at Overlake Medical Center in Bellevue, Washington
Dr. Tan'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. Lennart Cu Tan is affiliated with 7 sites of care and 4 medical groups
Dr. Tan's primary practice is Overlake Medical Center in Bellevue, Washington, part of MultiCare Health System. Dr. Tan is also affiliated with Prov Sacred Hrt Med Ctr & Childs Hosp. The medical group on file is Washington Gastroenterology. Dmand AI also links Dr. Tan to 3 more hospitals, 3 medical groups and 2 group practices and clinics, 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. Lennart Cu Tan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tan practices, 7 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 |
| +6 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lennart Cu Tan is one of 217 pathologists in Washington
Anatomic pathology and clinical pathology is Dr. Tan's primary specialty in the NPI Registry, under taxonomy code 207ZP0102X. Dmand AI has Dr. Tan's licenses on file in 2 states: Washington and Michigan.
Specialties and state licenses
- Anatomic pathology and clinical pathology, WashingtonPrimary
- Michigan license
Pathologists near Dr. Tan
Counts of pathologists 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. Lennart Cu Tan billed Medicare for 2,633 services in 2024
CMS data shows 2,633 Medicare services from Dr. Tan across 19 procedure codes in 2024, for 855 Medicare patients. Medicare paid $89,007 for them.
Dr. Tan's Medicare services by type, 2024
- Lab and pathology2,608
- Other services25
Where Dr. Tan's Medicare services took place, 2024
- In an office57822%
- In a facility2,05578%
Dr. Tan compared with the Washington median for pathologists, 2024
- Dr. Tan
- Washington median
- Medicare services
- 2,633vs 1,42685% above
- Medicare patients
- 855vs 62038% above
Medians across 205 pathologists in Washington with Dmand AI profiles that report each measure.
Dr. Tan'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. Tan and other pathologists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lennart Cu Tan treated 855 Medicare patients in 2024, average age 75
CMS counts 855 Medicare patients who saw Dr. Tan in 2024. The largest group is 65 to 74, with 368 patients. 73% of them have high cholesterol, and 71% have high blood pressure. 8% are also on Medicaid. Their average risk score is 1.25, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Tan's median patient age at 67, with 64% women.
Dr. Tan's Medicare patients by age, 2024
Dr. Tan's Medicare patients by sex, 2024
- Women48557%
- Men37043%
Chronic conditions among Dr. Tan's Medicare patients, 2024
- High cholesterol73%
- High blood pressure71%
- Arthritis45%
- Cancer33%
- Ischemic heart disease25%
- Diabetes24%
- Atrial fibrillation22%
- Mood disorders21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women64%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Lennart Cu Tan takes part in Medicare
Dr. Tan 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. Lennart Cu Tan received $13 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Tan from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Siemens Medical Solutions USA, Inc. paid the most, $13.
Companies that paid Dr. Tan the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Lennart Cu Tan graduated from Indiana University School of Medicine
Dr. Tan graduated from Indiana University School of Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Lennart Cu Tan'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. Lennart Cu Tan
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. Lennart Cu Tan's NPI number?
Dr. Lennart Cu Tan's NPI number is 1982668364. It was assigned on April 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Lennart Cu Tan?
Dr. Lennart Cu Tan is a pathologist in Bellevue, Washington. The primary specialty in the NPI Registry is Anatomic Pathology & Clinical Pathology Physician (taxonomy code 207ZP0102X).
Where does Dr. Lennart Cu Tan practice?
Dr. Tan practices at 1035-116Th Ave NE, Bellevue, WA 98004. Dr. Tan's primary practice is Overlake Medical Center in Bellevue, Washington, part of MultiCare Health System. Dmand AI also links Dr. Tan to 3 hospitals, 3 medical groups and 2 group practices and clinics.
What is Dr. Lennart Cu Tan's office phone number?
The practice phone on file for Dr. Tan is (425) 688-5000.
What is Dr. Lennart Cu Tan's medical license number?
Dr. Tan holds Washington license MD00043826, one of the licenses on file in 2 states.
Which states has Dr. Lennart Cu Tan been licensed in?
Dmand AI has state licenses on file for Dr. Tan in Washington and Michigan.
Which hospitals is Dr. Lennart Cu Tan affiliated with?
Dr. Tan practices at Overlake Medical Center in Bellevue, Washington. Dr. Tan is also affiliated with Prov Sacred Hrt Med Ctr & Childs Hosp. Dmand AI links Dr. Tan to 3 more hospitals.
What medical group is Dr. Lennart Cu Tan part of?
Dr. Tan is linked to Washington Gastroenterology. Dmand AI links Dr. Tan to 3 more medical groups.
Does Dr. Lennart Cu Tan accept Medicare?
Yes. CMS data shows Dr. Tan billed Medicare for 2,633 services in 2024, and Dr. Tan accepts Medicare assignment.
How many Medicare patients does Dr. Lennart Cu Tan see?
CMS counts 855 Medicare patients who saw Dr. Tan in 2024, with an average age of 75.
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What services does Dr. Lennart Cu Tan bill to Medicare?
In 2024, Dr. Tan's most billed Medicare services were lab and pathology test (88305), lab and pathology test (88341) and lab and pathology test (88112).
Where did Dr. Lennart Cu Tan go to medical school?
Dr. Tan graduated from Indiana University School of Medicine in 1998.
Has Dr. Lennart Cu Tan received payments from drug or device companies?
CMS Open Payments shows $13 in general payments to Dr. Tan from 1 company from 2024 to 2024. The largest total came from Siemens Medical Solutions USA, Inc.
How long has Dr. Lennart Cu Tan been practicing?
Dr. Tan graduated from medical school in 1998, 28 years ago.
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