Dr. Samuel I. Chu, MD
- Medicare services, 2024
- 242
- Medicare patients, 2024
- 68
- Part D claims, 2024
- 16,220
- Hospital affiliations
- 1
- Industry payments
- $14,639
- Practice address
- 4713 168th St Sw Suite 105 Suite 105, Lynnwood, WA 98037-6813
- Practice phone
- Call (425) 743-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Chu Clinic
Primary care practice · Lynnwood, Washington
Find Dr. Chu'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. Samuel I. Chu is an internist in Lynnwood, Washington
Dr. Chu practices at Chu Clinic in Lynnwood, Washington.
Dr. Chu's NPI, 1245322700, was assigned on September 29, 2006. Dr. Chu holds Washington license MD00031801.
- NPI
- 1245322700NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1052209848
- NPI enumeration date
- September 29, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (425) 743-7000
- 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. Samuel I. Chu practices at Chu Clinic in Lynnwood, Washington
Dr. Chu's primary practice is Chu Clinic, at 4713 168th St Sw Suite 105 Suite 105, Lynnwood, WA 98037-6813. The practice phone is (425) 743-7000.
- Chu Clinic4713 168th St Sw Suite 105 Suite 105, Lynnwood, WA 98037-6813Phone(425) 743-7000
Source: Dmand AI Affiliation Data
Dr. Samuel I. Chu is affiliated with 2 sites of care and 1 medical group
Dr. Chu's primary practice is Chu Clinic in Lynnwood, Washington. Dr. Chu is also affiliated with Providence Swedish Edmonds Campus. The medical group on file is Chu Clinic.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Samuel I. Chu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chu practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Chu Clinic | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Samuel I. Chu is one of 2,689 internists in Washington
Internal medicine is Dr. Chu's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chu is licensed in Washington.
Specialties and state licenses
- Internal medicine, WashingtonPrimary
Internists near Dr. Chu
Counts of internists 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. Samuel I. Chu billed Medicare for 242 services in 2024
CMS data shows 242 Medicare services from Dr. Chu across 4 procedure codes in 2024, for 68 Medicare patients. Medicare paid $16,204 for them. Every service was in an office.
Dr. Chu's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2242024: 18717%
- Surgery
- 2023: 352024: 2917%
- Other services
- 2023: 372024: 2630%
Dr. Chu compared with the Washington median for internists, 2024
- Dr. Chu
- Washington median
- Medicare services
- 242vs 36434% below
- Medicare patients
- 68vs 16559% below
- Part D claims
- 15,513vs 18285.2 times
Medians across 2,604 internists in Washington with Dmand AI profiles that report each measure.
Dr. Chu'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Samuel I. Chu treated 68 Medicare patients in 2024, average age 75
CMS counts 68 Medicare patients who saw Dr. Chu in 2024. The largest group is 65 to 74, with 34 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 22% are also on Medicaid. Their average risk score is 1.19, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chu's median patient age at 74, with 53% women.
Dr. Chu's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chu's Medicare patients by sex, 2024
- Women3247%
- Men3653%
Chronic conditions among Dr. Chu's Medicare patients, 2024
- High blood pressure75%
- High cholesterol72%
- Diabetes44%
- Chronic kidney disease29%
- Arthritis24%
- Ischemic heart disease19%
- Heart failure18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Samuel I. Chu wrote 16,220 Medicare Part D claims in 2024
In 2024, Dr. Chu wrote 16,220 Medicare Part D claims for 997 patients. 91% of them were for generic drugs. CMS names the drug for 15,513 of them, across 150 drugs with 11 or more claims each, at $1,145,374 in total drug cost. In 2023, CMS named 15,406 claims across 140 drugs.
Dr. Chu's Part D claims by kind of drug, 2024
- Generic14,755 claims91%
- Brand-name1,309 claims8%
- Other156 claims1%
Dr. Chu'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. Chu's Part D claims, 2024
- Opioids1%157 of 16,220 claims
- Antibiotics2%290 of 16,220 claims
- Antipsychotics, patients 65 and over0%79 of 16,220 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: 15,4062024: 15,5131%
Drugs named by CMS: 150 in 2024, 140 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
How Dr. Samuel I. Chu takes part in Medicare
Dr. Chu 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. Samuel I. Chu received $14,639 in industry payments from 2016 to 2025
CMS Open Payments shows 776 general payments to Dr. Chu from 39 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. AstraZeneca Pharmaceuticals LP paid the most, $2,481.
General payments to Dr. Chu by program year, 2016 to 2025
General payments to Dr. Chu by kind, 2016 to 2025
- Food and beverage$14,52099%
- Education$1191%
Companies that paid Dr. Chu the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Samuel I. Chu'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 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Samuel I. Chu
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. Samuel I. Chu's NPI number?
Dr. Samuel I. Chu's NPI number is 1245322700. It was assigned on September 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Samuel I. Chu?
Dr. Samuel I. Chu is an internist in Lynnwood, Washington. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Samuel I. Chu practice?
Dr. Chu practices at 4713 168th St Sw Suite 105 Suite 105, Lynnwood, WA 98037-6813. Dr. Chu's primary practice is Chu Clinic in Lynnwood, Washington.
What is Dr. Samuel I. Chu's office phone number?
The practice phone on file for Dr. Chu is (425) 743-7000.
What is Dr. Samuel I. Chu's medical license number?
Dr. Chu holds Washington license MD00031801.
Which hospitals is Dr. Samuel I. Chu affiliated with?
Dr. Chu is affiliated with Providence Swedish Edmonds Campus.
What medical group is Dr. Samuel I. Chu part of?
Dr. Chu is linked to Chu Clinic.
Does Dr. Samuel I. Chu accept Medicare?
Yes. CMS data shows Dr. Chu billed Medicare for 242 services in 2024, and Dr. Chu accepts Medicare assignment.
How many Medicare patients does Dr. Samuel I. Chu see?
CMS counts 68 Medicare patients who saw Dr. Chu in 2024, with an average age of 75.
What services does Dr. Samuel I. Chu bill to Medicare?
In 2024, Dr. Chu's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and surgery: heart and blood vessels (36415).
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What drugs does Dr. Samuel I. Chu prescribe most?
In 2024 Medicare Part D data, Dr. Chu's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.
Has Dr. Samuel I. Chu received payments from drug or device companies?
CMS Open Payments shows $14,639 in general payments to Dr. Chu from 39 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Samuel I. Chu been practicing?
Dr. Chu graduated from medical school in 1983, 43 years ago.
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