Dr. John Tak Woo, MD

  • Tacoma, WA
  • Internist
NPI1962504266
Medicare services, 2023
26
Part D claims, 2024
38
Publications
1
Industry payments
$145
Affiliated sites
1
Practice address
9800 Se Sunnyside Rd, Clackamas, OR 97015-9750
Practice phone
Call (800) 813-2000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Kfhp Portland Metropolitan Area - Clackamas (9800 SE Sunnyside Rd)

Multi-specialty group site · Clackamas, Oregon

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Dr. John Tak Woo is an internist in Tacoma, Washington

Dr. Woo practices at Kfhp Portland Metropolitan Area - Clackamas (9800 SE Sunnyside Rd) in Clackamas, Oregon.

Dr. Woo's NPI, 1962504266, was assigned on September 5, 2006. Dr. Woo graduated from Yale University School of Medicine in 1979. Dr. Woo holds Oregon license 12342.

NPI and contact details
NPI enumeration date
September 5, 2006
NPI status
Active
Practice phone
(800) 813-2000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
73
Medical school graduation
1979

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. John Tak Woo practices in Clackamas and Tacoma

Dr. Woo's primary practice is Kfhp Portland Metropolitan Area - Clackamas (9800 SE Sunnyside Rd), at 9800 Se Sunnyside Rd, Clackamas, OR 97015-9750. The practice phone is (800) 813-2000. The NPI Registry lists Dr. Woo's practice address as 315 Martin Luther King Jr Way, Tacoma, WA 98405.

  • Kfhp Portland Metropolitan Area - Clackamas (9800 SE Sunnyside Rd)Primary
    9800 Se Sunnyside Rd, Clackamas, OR 97015-9750Phone(800) 813-2000
  • NPI Registry address
    315 Martin Luther King Jr Way, Tacoma, WA 98405 · Pierce CountyPhone(503) 571-3124

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data

Dr. John Tak Woo is affiliated with 1 site of care and 1 medical group

Dr. Woo's primary practice is Kfhp Portland Metropolitan Area - Clackamas (9800 SE Sunnyside Rd) in Clackamas, Oregon. The medical group on file is Kaiser Permanente Northwest.

Kfhp Portland Metropolitan Area - Clackamas (9800 SE Sunnyside Rd)Multi-specialty group site · Clackamas, OregonPrimary
Kaiser Permanente NorthwestPrimary care group, Portland, OR

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Dr. John Tak Woo's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Woo practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Kfhp Portland Metropolitan Area - Clackamas (9800 SE Sunnyside Rd)Available with a free account

Source: Dmand AI Technology Install Data

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Dr. John Tak Woo is one of 2,689 internists in Washington

Internal medicine is Dr. Woo's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Woo is licensed in Oregon.

Specialties and state licenses

  • Internal medicine, OregonPrimaryLicense 12342 · taxonomy 207R00000X

Internists near Dr. Woo

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. John Tak Woo billed Medicare for 26 services in 2023

CMS data shows 26 Medicare services from Dr. Woo across 2 procedure codes in 2023, all of them office visits. Medicare paid $2,032 for them. Every service was in an office.

Medicare services, 202326
Paid by Medicare$2,032
Procedure codes2

Dr. Woo's Medicare services by type, 2021 to 2023

  • 2021
  • 2023
Office and hospital visits
2021: 1082023: 2676%

Dr. Woo compared with the Washington median for internists, 2023

  • Dr. Woo
  • Washington median
Medicare services
26vs 36493% below
Part D claims
149vs 18218% below

Medians across 2,604 internists in Washington with Dmand AI profiles that report each measure.

Dr. Woo's most billed Medicare procedure codes, 2023

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. John Tak Woo's patients have a median age of 62

Across all payers, Dmand AI patient panel data puts Dr. Woo's median patient age at 62, with 65% women.

Dr. Woo's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women65%
  • Men33%

Source: Dmand AI Patient Panel Data

Dr. John Tak Woo wrote 38 Medicare Part D claims in 2024

In 2024, Dr. Woo wrote 38 Medicare Part D claims for 20 patients. 97% of them were for generic drugs. They cover 8 drugs, with $8,457 in total drug cost. In 2021, CMS named 995 claims across 41 drugs.

Part D claims, 202438
Drugs named by CMS8
Total drug cost$8,457
Part D patients20

Dr. Woo's Part D claims by kind of drug, 2024

  • Generic37 claims97%
  • Brand-name and other1 claims3%

Dr. Woo's most prescribed drugs by claims, 2022

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2021 to 2022

  • 2021
  • 2022
Claims for drugs CMS names
2021: 9952022: 14985%

Drugs named by CMS: 8 in 2022, 41 in 2021.

See all prescribing by Dr. Woo

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

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Dr. John Tak Woo has 1 publication on record

Dmand AI links 1 paper to Dr. Woo. Dr. Woo's most frequent co-authors are Ashraf Fawzy, MD, MPH, Meilan King Han, MD and Allison A. Lambert, MD, MHS.

Papers1

Dr. Woo's most frequent co-authors

Recent publications by Dr. Woo

See all 1 publications and co-authors

See who Dr. Woo researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Woo works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. John Tak Woo received $145 in industry payments in 2016

CMS Open Payments shows 1 general payment to Dr. Woo from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Nevro Corp. paid the most, $145.

Companies that paid Dr. Woo the most, 2016 to 2016

Share is of all general payments to this clinician.

See all payments to Dr. Woo

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. John Tak Woo graduated from Yale University School of Medicine

Dr. Woo graduated from Yale University School of Medicine in 1979.

  1. Medical schoolYale University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. John Tak Woo's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare 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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. John Tak Woo

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. John Tak Woo's NPI number?

Dr. John Tak Woo's NPI number is 1962504266. It was assigned on September 5, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. John Tak Woo?

Dr. John Tak Woo is an internist in Tacoma, Washington. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. John Tak Woo practice?

Dr. Woo practices at 9800 Se Sunnyside Rd, Clackamas, OR 97015-9750. Dr. Woo also practices at 315 Martin Luther King Jr Way, Tacoma, WA 98405. Dr. Woo's primary practice is Kfhp Portland Metropolitan Area - Clackamas (9800 SE Sunnyside Rd) in Clackamas, Oregon.

What is Dr. John Tak Woo's office phone number?

The practice phone on file for Dr. Woo is (800) 813-2000.

What is Dr. John Tak Woo's medical license number?

Dr. Woo holds Oregon license 12342.

What medical group is Dr. John Tak Woo part of?

Dr. Woo is linked to Kaiser Permanente Northwest.

Does Dr. John Tak Woo accept Medicare?

Yes. CMS data shows Dr. Woo billed Medicare for 26 services in 2023.

What services does Dr. John Tak Woo bill to Medicare?

In 2023, Dr. Woo's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99213).

Where did Dr. John Tak Woo go to medical school?

Dr. Woo graduated from Yale University School of Medicine in 1979.

What drugs does Dr. John Tak Woo prescribe most?

In 2022 Medicare Part D data, Dr. Woo's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.

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Has Dr. John Tak Woo received payments from drug or device companies?

CMS Open Payments shows $145 in general payments to Dr. Woo from 1 company from 2016 to 2016. The largest total came from Nevro Corp.

How long has Dr. John Tak Woo been practicing?

Dr. Woo graduated from medical school in 1979, 47 years ago.

Does Dr. John Tak Woo do research?

Dmand AI links 1 publication to Dr. Woo.

Who does Dr. John Tak Woo publish with?

Dr. Woo's most frequent co-authors are Ashraf Fawzy, MD, MPH (1 shared paper), Meilan King Han, MD (1 shared paper) and Allison A. Lambert, MD, MHS (1 shared paper).

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