Brett Alan Schweizer, D.O.
Internal Medicine Physician · Marysville, WA
Brett Alan Schweizer, D.O. is an internal medicine physician with a practice address in Marysville, Washington, and NPI 1265778849, issued on Dec 30, 2012. Check the license (Washington OP60475530, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Brett Alan Schweizer
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- OP60475530 WA
20A12576 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4420 76TH St NE, Marysville, WA 98270
- Phone
- (360) 651-7490
- Enumerated
- Dec 30, 2012
- Record last updated
- Nov 21, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicaid ID
- 2038503 WA
- Medicare enrollment
- Enrolled (PECOS I20140829000032); accepts Medicare assignment
- 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 4420 76TH St NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Brett Alan Schweizer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license OP60475530Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.4 times the Medicare Part D claims of the average internal medicine physician in 2024
10,778 Medicare Part D claims for 860 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 107 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium774 claims
- Atorvastatin Calcium746 claims
- Losartan Potassium637 claims
- Levothyroxine Sodium438 claims
- Amlodipine Besylate385 claims
- Omeprazole315 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.
Bills Medicare through one group practice
- Optum Care Washington PLLCMarysville, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brett Alan Schweizer among 3,079 internal medicine physician records in Washington
Brett Alan Schweizer, D.O. 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 2012, is newer than 68% of them.
- NPI issued2012 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2011 · median 2006 among the 1,852 with a school on file
- Record last updated2014 · 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).
18 internal medicine physician records list a practice address in Marysville
They are 18 of the 874 NPPES records with a practice address in Marysville, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Marysville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Chad Cleven, DOMarysville, WA 982701700987856
- Santosa Ho, MDMarysville, WA 982701053378018
- Kathleen Hughes, MDMarysville, WA 982701962512996
- Amandeep KaurMarysville, WA 982701356775266
- Olga Kennedy, MDMarysville, WA 982701699742122
- Toshiko Magnus, MDMarysville, WA 982701750358875
- Mandeep Saini, MDMarysville, WA 982701912974031
- Manuel Sierra AscencioMarysville, WA 982701093952582
Common questions
What is Brett Alan Schweizer, D.O.'s NPI number?
Brett Alan Schweizer, D.O.'s National Provider Identifier (NPI) is 1265778849, issued on Dec 30, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Brett Alan Schweizer, D.O. located?
The NPPES record lists a practice address at 4420 76TH St NE, Marysville, WA, 98270. Phone: (360) 651-7490. Providers update this record themselves, so call before visiting.
How can I verify Brett Alan Schweizer, D.O.'s license?
NPPES lists Washington license number OP60475530, as entered by the provider. 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 Brett Alan Schweizer, D.O. prescribe under Medicare Part D?
In 2024, Brett Alan Schweizer, D.O. had 10,778 Medicare Part D claims for 860 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.