Dr. Thomas G Wimmer , MD
Internal Medicine • Tualatin, OR
Professional Overview & Biography Verified Profile Summary
Dr. Thomas Wimmer, MD is a certified Internal Medicine practicing in Tualatin, OR. With approximately 28 years of clinical experience since completing medical education in 1998, Dr. Wimmer delivers high-quality medical care to the local community at 19185 SW 90TH AVE.
Dr. Wimmer maintains professional affiliations with Kaiser Foundation Health Plan Of The Northwest, Providence Health And Services Oregon and accepts Medicare assignment.
Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, initial hospital care with straightforward or low-level medical decision making, if using time, at least, initial hospital care with moderate level of medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.
Practice Location & Contact Primary Location
19185 Sw 90th Ave
Tualatin, OR 970627558
Medicare Profile & Education
Other
1998
✓ Accepts Assignment
In-Person Only
Specialty Benchmarks & Practice Insights
Comparative analytics for Internal Medicine in Tualatin, OR
Practicing in Tualatin, OR (2185 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Clinical Seniority & Experience Comparison
Performed Procedures & Service Volume
Top Medicare Part B procedures performed by this practitioner
| HCPCS Code & Description | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
|
99232
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
|
105 | 42 | $264.00 | $78.86 |
|
99233
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
|
46 | 30 | $398.00 | $118.62 |
|
99222
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes
|
46 | 45 | $438.00 | $129.49 |
|
99223
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
|
41 | 40 | $581.00 | $172.86 |
|
99239
Hospital discharge day management, more than 30 minutes
|
27 | 25 | $384.00 | $115.35 |
Medical Specialties & State Licenses
CMS Verified: 2025-10-22NUCC Taxonomy Code: 207R00000X
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
NUCC Taxonomy Code: 208M00000X
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
NUCC Taxonomy Code: 207RR0500X
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and "collagen" diseases.
NUCC Taxonomy Code: 208M00000X
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Additional State Medicaid & Healthcare Payer Identifiers
Hospital & Practice Group Affiliations
Providence Health And Services Oregon
9205 Sw Barnes Rd, Portland, OR 972256603
Providence Health And Services Oregon
5050 Ne Hoyt St, Portland, OR 972132981
Phone: 5032156480
Kaiser Foundation Health Plan Of The Northwest
14406 Ne 20th Ave, Vancouver, WA 986861448
Phone: 8008132000
Kaiser Foundation Health Plan Of The Northwest
19185 Sw 90th Ave, Tualatin, OR 970627558
Phone: 8008132000
Secondary Practice Locations
9205 Sw Barnes Rd
Portland, OR 972256603
Phone: 5032162906
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Psychologist - Clinical
Doctor of Psychology (Psy.D.)
Nurse Anesthetist, Certified Registered
Radiology - Diagnostic Radiology
Doctor of Medicine (M.D.)
Physician Assistant
Physician Assistant
Physician Assistant - Medical
Physician Assistant
Pediatrics
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 19185 SW 90TH AVE, TUALATIN, OR 970627558 (Tel: 5038132000)
Registered at 500 NE MULTNOMAH ST STE 100, PORTLAND, OR 972322031 (Tel: 8008132000)
Hospitalist (License #MD60063843 in WA)
Registered at PO BOX 5682, PORTLAND, OR 972285682
Internal Medicine (License #MD152492 in OR)
Hospitalist (License #MD152492 in OR)
Hospitalist (License #MD60063843 in WA)
NPI status registered as active in NPPES database
Registered at 9205 SW BARNES RD, PORTLAND, OR 972256603 (Tel: 5032162906)
Registered at PO BOX 3158, PORTLAND, OR 972083158
Recorded as THOMAS WIMMER, MD
Hospitalist (License #MD60063843 in WA)
NPI status registered as active in NPPES database
Registered at 9205 SW BARNES RD, C/O TERRI MCATEE HOSPITALIST OFFICE, PORTLAND, OR 972256603 (Tel: 5032162906)
Registered at 9205 SW BARNES RD, C/O TERRI MCATEE HOSPITALIST OFFICE, PORTLAND, OR 972256603 (Tel: 5032162906)
Recorded as THOMAS WIMMER, MD
Hospitalist (License #MD152492 in OR)
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
Verified patient ratings, medical care experiences, and facility photos
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NPI Administrative Meta
Mailing Address
500 Ne Multnomah St Ste 100
Portland, OR 972322031
Phone: 8008132000
This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.