Jan Weichsel, MD
Family Medicine Physician · Portland, OR
Jan Weichsel, MD is a family medicine physician with a practice address in Portland, Oregon, and NPI 1558776591, issued on Jun 28, 2014. Check the license (Oregon 182318, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jan Weichsel
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 182318 OR
Self-reported in NPPES; status is on the state search - Practice location
- 3550 N Interstate Ave, Portland, OR 97227
- Phone
- (503) 652-2888
- Enumerated
- Jun 28, 2014
- Record last updated
- Feb 4, 2022
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,847 in Oregon → Look up another NPI →
Also registered at 3550 N Interstate Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jan Weichsel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license 182318Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average family medicine physician in 2024
442 Medicare Part D claims for 398 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Paxlovid132 claims
- Nitrofurantoin Mono-Macro47 claims
- Cephalexin46 claims
- Amoxicillin45 claims
- Doxycycline Monohydrate24 claims
- Fluconazole21 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.
Jan Weichsel among 2,847 family medicine physician records in Oregon
Jan Weichsel, MD is one of 2,847 family medicine physician records with a practice address in Oregon. 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 2014, is newer than 73% of them.
- NPI issued2014 · 73% of these records are older, 24% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2022 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
561 family medicine physician records list a practice address in Portland
They are 561 of the 42,088 NPPES records with a practice address in Portland, and 2,847 family medicine physician records in Oregon.
All 2,847 in Oregon → Every provider in Portland → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kyle Besaw, MDPortland, OR 972271407344872
- Timothy Elzinga, MDPortland, OR 972271841497211
- Nilana Gunasekaran, M.D.Portland, OR 972271942393673
- Sara Holthuis, M.D.Portland, OR 972271912312034
- Mia Hosaka, D.O.Portland, OR 972271649596552
- Leila Keltner, MDPortland, OR 972271316061609
- Robyn Liu, MDPortland, OR 972271447387360
- Mustafa Mahmood, M.D.Portland, OR 972271083076731
Common questions
What is Jan Weichsel, MD's NPI number?
Jan Weichsel, MD's National Provider Identifier (NPI) is 1558776591, issued on Jun 28, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Jan Weichsel, MD located?
The NPPES record lists a practice address at 3550 N Interstate Ave, Portland, OR, 97227. Phone: (503) 652-2888. Providers update this record themselves, so call before visiting.
How can I verify Jan Weichsel, MD's license?
NPPES lists Oregon license number 182318, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jan Weichsel, MD prescribe under Medicare Part D?
In 2024, Jan Weichsel, MD had 442 Medicare Part D claims for 398 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.