Zachary Mattka, DO
Family Medicine Physician · Corvallis, OR
Zachary Mattka, DO is a family medicine physician with a practice address in Corvallis, Oregon, and NPI 1811578859, issued on Apr 20, 2021. Check the license (Oregon PG205186, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Zachary Mattka
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- PG205186 OR
Self-reported in NPPES; status is on the state search - Practice location
- 3600 NW Samaritan Dr, Corvallis, OR 97330
- Phone
- (541) 768-4906
- Enumerated
- Apr 20, 2021
- Record last updated
- Apr 20, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20241209000074); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Erie, 2021
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,847 in Oregon → Look up another NPI →
Also registered at 3600 NW Samaritan Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Zachary Mattka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license PG205186Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average family medicine physician in 2024
744 Medicare Part D claims for 144 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 19 claims were for opioids.
Most prescribed
- Atorvastatin Calcium47 claims
- Levothyroxine Sodium44 claims
- Lisinopril35 claims
- Losartan Potassium30 claims
- Amlodipine Besylate19 claims
- Simvastatin19 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
- Intermountain Medical Group Denver LLCBroomfield, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Zachary Mattka among 2,847 family medicine physician records in Oregon
Zachary Mattka, DO 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 2021, is newer than 91% of them.
- NPI issued2021 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2021 · median 2009 among the 1,671 with a school on file
- Record last updated2021 · 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).
114 family medicine physician records list a practice address in Corvallis
They are 114 of the 4,096 NPPES records with a practice address in Corvallis, and 2,847 family medicine physician records in Oregon.
All 2,847 in Oregon → Every provider in Corvallis → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Daniel Barrett, M.D.Corvallis, OR 973301386694776
- Brandi Boller, DOCorvallis, OR 973301528034683
- Kristin Bradford, M.D.Corvallis, OR 973301952304396
- Bruce Byram, M.D.Corvallis, OR 973301356391445
- Margaret Carr, M.D.Corvallis, OR 973301699714782
- Bryce Cleary, M.D.Corvallis, OR 973301063461564
- Aaron David, DOCorvallis, OR 973301548236904
- Connie Graham, M.D.Corvallis, OR 973301568404135
Common questions
What is Zachary Mattka, DO's NPI number?
Zachary Mattka, DO's National Provider Identifier (NPI) is 1811578859, issued on Apr 20, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Zachary Mattka, DO located?
The NPPES record lists a practice address at 3600 NW Samaritan Dr, Corvallis, OR, 97330. Phone: (541) 768-4906. Providers update this record themselves, so call before visiting.
How can I verify Zachary Mattka, DO's license?
NPPES lists Oregon license number PG205186, 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 Zachary Mattka, DO prescribe under Medicare Part D?
In 2024, Zachary Mattka, DO had 744 Medicare Part D claims for 144 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.