Physician Profile
Timothy J. Joos, MD
Unclaimed ProfileAbout Dr. Joos
Based in Seattle, WA, Timothy J. Joos, MD is listed in the NPI registry under internal medicine. Timothy graduated from University of Minnesota Medical School in 1993. Timothy is also listed as specializing in pediatrics. Medicare claims data shows Timothy provided 116 services to 65 patients. The services billed most often include hemoglobin a1c level and blood glucose (sugar) test performed by hand-held instrument.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (206) 461-6957
- Email not available
Practice Locations
4400 37TH AVE S
Seattle, WA 98118
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
116 services · 65 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Hemoglobin a1c level | Lab test | 83036 |
59 |
| Blood glucose (sugar) test performed by hand-held instrument | Lab test | 82962 |
57 |
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.
Related specialists at this location 8
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.
Other internists in Seattle 8
Same specialty, same city.
More connections — 15 related providers in 2 groups
Trained at University of Minnesota Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1993 at University of Minnesota Medical School 7
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Joos specialize in?
Dr. Joos 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
Where is Dr. Joos located?
Dr. Joos is listed at 4400 37Th Ave S, Seattle, WA 98118. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Joos's phone number?
The number on file is (206) 461-6957. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Joos?
Dr. Joos's National Provider Identifier is 1740265735. 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
Where did Dr. Joos go to medical school?
Dr. Joos attended University of Minnesota Medical School, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Joos have?
Dr. Joos has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Joos do most often?
According to Medicare billing data, Dr. Joos the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Joos's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Joos. 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.