Karl William Brewer, M.D.
Internal Medicine Physician · Tacoma, WA
Karl William Brewer, M.D. is an internal medicine physician with a practice address in Tacoma, Washington, and NPI 1063492288, issued on Jan 23, 2006. Check the license on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Karl William Brewer
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- DR0050388 CO
12378 HI
Self-reported in NPPES; status is on the state search - Practice location
- Madigan Army Medical Center 9040 Jackson Ave, Tacoma, WA 98431
- Phone
- (253) 968-1484
- Enumerated
- Jan 23, 2006
- Record last updated
- Jun 30, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20230523000762); accepts Medicare assignment
- Medical or professional school
- Uniformed Services Uhs Fe Hebert School Of Med, 2001
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at Madigan Army Medical Center 9040 Jackson Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Afamefuna AdibePhysician Assistant1376279406
- Elsie Adibe, APRNPsychiatric/Mental Health Nurse Practitioner1962960930
- Judy Aeum, M.D.Anatomic Pathology & Clinical Pathology Physician1114934890
- Cyrena Aguon-Larson, LCSWClinical Social Worker1649833047
- Anne Albert, PHYSICIAN ASSISTANTPhysician Assistant1619936630
- Gabriel AlejandroLicensed Practical Nurse1932640695
Verify Karl William Brewer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical CommissionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,093 Medicare Part D claims for 197 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 16 claims were for opioids.
Most prescribed
- Atorvastatin Calcium105 claims
- Levothyroxine Sodium44 claims
- Gabapentin42 claims
- Tamsulosin Hcl32 claims
- Amlodipine Besylate30 claims
- Lisinopril30 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 77.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Total HealthcareDurango, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karl William Brewer among 3,079 internal medicine physician records in Washington
Karl William Brewer, M.D. is one of 3,079 internal medicine physician records with a practice address in Washington. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2001 · median 2006 among the 1,852 with a school on file
- Record last updated2020 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
262 internal medicine physician records list a practice address in Tacoma
They are 262 of the 13,715 NPPES records with a practice address in Tacoma, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Tacoma → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Julie Ake, M.D.Tacoma, WA 984311235103797
- Lee Antles, MDTacoma, WA 984311811995525
- James Gajewski, MDJoint Base Lewis McChord, WA 984311356349112
- Shaila Kode, MDTacoma, WA 984311366416455
- Steven Konicek, MDTacoma, WA 984311548231871
- Richard Ling, M.D.Tacoma, WA 984311396716684
- Fujio McPherson, ARNPTacoma, WA 984311760455760
- Cecily Peterson, MDTacoma, WA 984311447222369
Common questions
What is Karl William Brewer, M.D.'s NPI number?
Karl William Brewer, M.D.'s National Provider Identifier (NPI) is 1063492288, issued on Jan 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karl William Brewer, M.D. located?
The NPPES record lists a practice address at Madigan Army Medical Center 9040 Jackson Ave, Tacoma, WA, 98431. Phone: (253) 968-1484. Providers update this record themselves, so call before visiting.
How can I verify Karl William Brewer, M.D.'s license?
Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karl William Brewer, M.D. prescribe under Medicare Part D?
In 2024, Karl William Brewer, M.D. had 1,093 Medicare Part D claims for 197 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Karl William Brewer, M.D.'s MIPS final score?
The 2023 MIPS final score is 77.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.