William Charles Barth, M.D.
Family Medicine Physician · Oregon City, OR
William Charles Barth, M.D. is a family medicine physician with a practice address in Oregon City, Oregon, and NPI 1396807673, issued on Dec 14, 2006. Check the license (Oregon MD18020, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- William Charles Barth
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD18020 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1230 Division St, Oregon City, OR 97045
- Phone
- (503) 655-5327
- Enumerated
- Dec 14, 2006
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (503) 722-4499
- Medicaid ID
- 046115 OR
- Medicare enrollment
- Enrolled (PECOS I20101115000505); may accept Medicare assignment
- Medical or professional school
- Oregon Health & Sciences Univ School Of Dentistry, 1989
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,847 in Oregon → Look up another NPI →
Also registered at 1230 Division St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Charles Barth in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD18020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% more Medicare Part D claims than the average family medicine physician in 2024
4,234 Medicare Part D claims for 129 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 485 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen173 claims
- Oxycodone-Acetaminophen133 claims
- Rosuvastatin Calcium109 claims
- Montelukast Sodium102 claims
- Omeprazole101 claims
- Oxycodone Hcl100 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.
William Charles Barth among 2,847 family medicine physician records in Oregon
William Charles Barth, 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 fileYes · 59% of these records are
- Graduated1989 · median 2009 among the 1,671 with a school on file
- 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).
28 family medicine physician records list a practice address in Oregon City
They are 28 of the 1,531 NPPES records with a practice address in Oregon City, and 2,847 family medicine physician records in Oregon.
All 2,847 in Oregon → Every provider in Oregon City → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Michelle Alberts, MDOregon City, OR 970451841273364
- Alejandro Contreras, N.D.Oregon City, OR 970451578684692
- Christopher Eilersen, MDOregon City, OR 970451700853652
- Douglas Eubanks, DOOregon City, OR 970451851459382
- Robert Hartog, M.D.Oregon City, OR 970451821063256
- Julie Hurlocker, M.D.Oregon City, OR 970451174638563
- Karl Magsarili, M.D.Oregon City, OR 970451649222183
- Maria Miller, MDOregon City, OR 970451417917790
Common questions
What is William Charles Barth, M.D.'s NPI number?
William Charles Barth, M.D.'s National Provider Identifier (NPI) is 1396807673, issued on Dec 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Charles Barth, M.D. located?
The NPPES record lists a practice address at 1230 Division St, Oregon City, OR, 97045. Phone: (503) 655-5327. Providers update this record themselves, so call before visiting.
How can I verify William Charles Barth, M.D.'s license?
NPPES lists Oregon license number MD18020, 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 William Charles Barth, M.D. prescribe under Medicare Part D?
In 2024, William Charles Barth, M.D. had 4,234 Medicare Part D claims for 129 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.