Mary Ann Muth, D.O.
Family Medicine Physician · Gresham, OR
Mary Ann Muth, D.O. is a family medicine physician with a practice address in Gresham, Oregon, and NPI 1801180815, issued on Jun 7, 2011. Check the license on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mary Ann Muth
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- OL60231724 WA
Self-reported in NPPES; status is on the state search - Practice location
- 600 NE 8TH St, Gresham, OR 97030
- Phone
- (503) 988-5155
- Enumerated
- Jun 7, 2011
- Record last updated
- Oct 21, 2025
- Medicaid IDs
- 096511 OR
22959 OR - Medicare enrollment
- Enrolled (PECOS I20141112000816); accepts Medicare assignment
- Medical or professional school
- Arizona College Of Osteopathic Medicine Mid Western University, 2011
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,847 in Oregon → Look up another NPI →
Also registered at 600 NE 8TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lindsay Braun, M.D.Family Medicine Physician1821354366
- Cathy Brunton, CHNRegistered Nurse1639442627
- Tim Criswell, CPHTPharmacy Technician1780201426
- Joseph Eisenberg, M.D.Family Medicine Physician1063749802
- Shelby Freed, FNP-CFamily Nurse Practitioner1275811549
- Ida Hazeem-Layous, DMDDentist1992143291
Verify Mary Ann Muth in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average family medicine physician in 2024
879 Medicare Part D claims for 101 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Metformin Hcl71 claims
- Atorvastatin Calcium69 claims
- Lisinopril52 claims
- Amlodipine Besylate51 claims
- Omeprazole33 claims
- Hydrochlorothiazide29 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
- Multnomah CountyGresham, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Ann Muth among 2,847 family medicine physician records in Oregon
Mary Ann Muth, D.O. 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 2011, is newer than 65% of them.
- NPI issued2011 · 65% of these records are older, 32% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2011 · median 2009 among the 1,671 with a school on file
- Record last updated2025 · 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).
29 family medicine physician records list a practice address in Gresham
They are 29 of the 1,934 NPPES records with a practice address in Gresham, and 2,847 family medicine physician records in Oregon.
All 2,847 in Oregon → Every provider in Gresham → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Gordon Canzler, D.O.Gresham, OR 970301114913183
- Kevin Carpenter, MDGresham, OR 970301578509980
- James Chong, DOGresham, OR 970301821245788
- Murlan Grise, DOGresham, OR 970301811951148
- Robert Henriques, MDGresham, OR 970301952348096
- Toni Hero, D.O.Gresham, OR 970301851387849
- Jon Hobson, MDGresham, OR 970301700824505
- Katherine Hogan, M.D.Gresham, OR 970301770786220
Common questions
What is Mary Ann Muth, D.O.'s NPI number?
Mary Ann Muth, D.O.'s National Provider Identifier (NPI) is 1801180815, issued on Jun 7, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Mary Ann Muth, D.O. located?
The NPPES record lists a practice address at 600 NE 8TH St, Gresham, OR, 97030. Phone: (503) 988-5155. Providers update this record themselves, so call before visiting.
How can I verify Mary Ann Muth, D.O.'s license?
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 Mary Ann Muth, D.O. prescribe under Medicare Part D?
In 2024, Mary Ann Muth, D.O. had 879 Medicare Part D claims for 101 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.