John H. Johnson, DDS
Endodontics · Portland, OR
John H. Johnson, DDS is an endodontics with a practice address in Portland, Oregon, and NPI 1922299734, issued on Aug 6, 2007. Check the license (Oregon D8830, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John H. Johnson
- Credential
- DDS
- Primary taxonomy
- Endodontics 1223E0200X
- License number
- D8830 OR
Self-reported in NPPES; status is on the state search - Practice location
- 511 SW 10TH Ave, Portland, OR 97205
- Phone
- (503) 224-0090
- Enumerated
- Aug 6, 2007
- Record last updated
- Jun 18, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (503) 224-0062
- Entity
- Type 1 · individual
8 nearest endodontics records → All 113 in Oregon → Look up another NPI →
Also registered at 511 SW 10TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kyra Ahlstrom, LMTSpecialist1649577073
- Douglas Ainslie, DMD MSOrthodontics and Dentofacial Orthopedics Dentistry1205961570
- Liu AnAcupuncturist1326112087
- Genevieve Arnaut, PSYD, PHDPsychologist1255547113
- Jennifer Bane, PA-CMedical Physician Assistant1033437298
- Gemma Baumer, MA, LPC-INTERNProfessional Counselor1073199956
Verify John H. Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license D8830Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average endodontics in 2024
11 Medicare Part D claims, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
John H. Johnson among 113 endodontics records in Oregon
John H. Johnson, DDS is one of 113 endodontics records with a practice address in Oregon. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 49% of them.
- NPI issued2007 · 49% of these records are older, 35% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2010 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223E0200X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endodontics providers in Oregon
There are 113 endodontics records in Oregon.
All 113 in Oregon → Every provider in Portland → Endodontics nationwide →
The 8 endodontics records with the nearest ZIP codes
- Kevin Edwards, DDS LLCPortland, OR 972051821097122
- Craig Johnson, D.D.S, M.SPortland, OR 972051780714881
- Suk Ki Lee, D.D.S.Portland, OR 972041811017668
- Eun Park, DDS, PHDPortland, OR 972011528827557
- Ryan Shurtz, DDS, MSPortland, OR 972011841553609
- Brian Whitten, DDSPortland, OR 972011144213851
- Tony Bassili, D.M.D.Portland, OR 972201346467404
- Jared Frisbie-Teel, DDSPortland, OR 972201972768984
Common questions
What is John H. Johnson, DDS's NPI number?
John H. Johnson, DDS's National Provider Identifier (NPI) is 1922299734, issued on Aug 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John H. Johnson, DDS located?
The NPPES record lists a practice address at 511 SW 10TH Ave, Portland, OR, 97205. Phone: (503) 224-0090. Providers update this record themselves, so call before visiting.
How can I verify John H. Johnson, DDS's license?
NPPES lists Oregon license number D8830, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does John H. Johnson, DDS prescribe under Medicare Part D?
In 2024, John H. Johnson, DDS had 11 Medicare Part D claims; the average among endodontics prescribers was 121. 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.