Timothy P. Janzen, M.D.
Family Medicine Physician · Portland, OR
Timothy P. Janzen, M.D. is a family medicine physician with a practice address in Portland, Oregon, and NPI 1003845447, issued on Jun 30, 2006. Check the license (Oregon MD16918, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Timothy P. Janzen
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD16918 OR
Self-reported in NPPES; status is on the state search - Practice location
- 10803 SE Cherry Blossom Dr, Portland, OR 97216
- Phone
- (503) 261-7200
- Enumerated
- Jun 30, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (503) 261-7249
- Medicaid ID
- 011549 OR
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,847 in Oregon → Look up another NPI →
Also registered at 10803 SE Cherry Blossom Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Blessing, M.D.Family Medicine Physician1649215922
- Alexandra Conner, PAPhysician Assistant1417265075
- Edgar Crawford, M.D.Family Medicine Physician1558399790
- Jeana Crover, M.D.Family Medicine Physician1215963707
- Bruce Douglas, M.D.Family Medicine Physician1134158561
- Rhonda Durant, FNPFamily Nurse Practitioner1639105117
Verify Timothy P. Janzen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD16918Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average family medicine physician in 2024
7,376 Medicare Part D claims for 497 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 484 claims were for opioids.
Most prescribed
- Atorvastatin Calcium711 claims
- Metformin Hcl283 claims
- Metoprolol Succinate267 claims
- Levothyroxine Sodium239 claims
- Lisinopril232 claims
- Losartan Potassium222 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.
Industry payments in 2024: $180.77
9 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Timothy P. Janzen among 2,847 family medicine physician records in Oregon
Timothy P. Janzen, M.D. 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 53% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2007 · 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
- David Blessing, M.D.Portland, OR 972161649215922
- Arthur Bulger, MDPortland, OR 972161265497416
- Roberta Bulger, MDPortland, OR 972161295790350
- Edgar Crawford, M.D.Portland, OR 972161558399790
- Jeana Crover, M.D.Portland, OR 972161215963707
- Bruce Douglas, M.D.Portland, OR 972161134158561
- Bruce Free, DOPortland, OR 972161619931979
- John Kramer, DOPortland, OR 972161023074895
Common questions
What is Timothy P. Janzen, M.D.'s NPI number?
Timothy P. Janzen, M.D.'s National Provider Identifier (NPI) is 1003845447, issued on Jun 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Timothy P. Janzen, M.D. located?
The NPPES record lists a practice address at 10803 SE Cherry Blossom Dr, Portland, OR, 97216. Phone: (503) 261-7200. Providers update this record themselves, so call before visiting.
How can I verify Timothy P. Janzen, M.D.'s license?
NPPES lists Oregon license number MD16918, 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 Timothy P. Janzen, M.D. prescribe under Medicare Part D?
In 2024, Timothy P. Janzen, M.D. had 7,376 Medicare Part D claims for 497 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.