Physician Profile
Thao U. Nguyen, M.D.
Unclaimed ProfileAbout Dr. Nguyen
Based in Seattle, WA, Thao U. Nguyen, M.D. is listed in the NPI registry under internal medicine. Medicare claims data shows Thao provided 3,129 services to 1,903 patients. The services billed most often include destruction of precancer skin growth, 2-14 growths, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (206) 680-1389
- Email not available
Practice Locations
1959 NE PACIFIC BOX 3456421
Seattle, WA 98195
Conditions Commonly Evaluated or Treated
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Most searched procedures
Preventive and evaluation
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
Digestive
Exams & Consultations
Heart & Circulation
Heart health
Imaging referral
Immunizations
Lab tests
Lungs & Breathing
Metabolic & Weight
Minor procedures
Office procedures
Office Procedures
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
Procedures Most Often Billed to Medicare
3,129 services · 1,903 patients · 21 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
867 | More often than most peers in Internal Medicine |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
366 | More than most peers in Internal Medicine |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
251 | More often than most peers in Internal Medicine |
| Destruction of precancer skin growth, 15 or more growths | Procedure | 17004 |
190 | More than most peers in Internal Medicine |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
109 | More often than most peers in Internal Medicine |
| Biopsy of related skin growth, each additional growth | Procedure | 11103 |
88 | More often than most peers in Internal Medicine |
| Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm | Procedure | 12032 |
25 | As often as other peers in Internal Medicine |
| Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.5 cm or less | Procedure | 12031 |
16 | Too few peers to compare |
| Injection into skin growth, 1-7 growths | Procedure | 11900 |
16 | Too few peers to compare |
| Removal of cancer skin growth of body, arms, or legs, 2.1-3.0 cm | Procedure | 11603 |
16 | Too few peers to compare |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internists at this location 7
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 14 related providers in 2 groups
Other internists in Seattle 6
Same specialty, same city.
Also performs Destruction of precancer skin growth, 2-14 growths 8
Providers in WA who bill this service to Medicare most often.
Common questions
What kind of doctor is Thao U. Nguyen?
Thao U. Nguyen is an internist in Seattle, WA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
What is Thao U. Nguyen's address?
Thao U. Nguyen is listed at 1959 Ne Pacific Box 3456421, Seattle, WA 98195. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Thao U. Nguyen?
The number on file is (206) 680-1389. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Thao U. Nguyen?
Thao U. Nguyen's National Provider Identifier is 1255560017. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How much experience does Thao U. Nguyen have?
Thao U. Nguyen has 17+ years experience. Registered with an NPI since 2009. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What procedures does Thao U. Nguyen perform?
According to Medicare billing data, Thao U. Nguyen performs procedures including destruction of precancer skin growth, 2-14 growths, destruction of precancer skin growth, 1 growth and biopsy of related skin growth, first growth; provides treatments such as application of light with debridement to destroy precancer skin growth, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Thao U. Nguyen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Thao U. Nguyen. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.