Michael David Underriner
Adult Companion · Portland, OR
Michael David Underriner is an adult companion with a practice address in Portland, Oregon, and NPI 1922477066, issued on Sep 18, 2015. Check the license with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael David Underriner
- Primary taxonomy
- Adult Companion 372600000X
- Practice location
- 847 NE 19TH Ave, Portland, OR 97232
- Phone
- (503) 238-0769
- Enumerated
- Sep 18, 2015
- Record last updated
- Sep 18, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20241111001653); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest adult companion records → All 959 in Oregon → Look up another NPI →
Also registered at 847 NE 19TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Amelia Alexander, M.A.Mental Health Counselor1750751186
- Skylan AlexanderAdult Companion1467843755
- Cj Alicandro, M.S.W.Mental Health Counselor1205288545
- Joseph Allard, QMHAAdult Companion1205282241
Verify Michael David Underriner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Providence Health And Services OregonClackamas, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael David Underriner among 959 adult companion records in Oregon
Michael David Underriner is one of 959 adult companion records with a practice address in Oregon. under 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 60% of them.
- NPI issued2015 · 60% of these records are older, 31% newer
- In a Medicare fileYes · under 1% of these records are
- In the CMS Doctors and Clinicians fileYes · under 1% of these records are
- Record last updated2015 · 93% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 372600000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
865 adult companion records list a practice address in Portland
They are 865 of the 42,088 NPPES records with a practice address in Portland, and 959 adult companion records in Oregon.
All 959 in Oregon → Every provider in Portland → Adult Companion nationwide →
The 8 adult companion records with the nearest ZIP codes
- Kimberly BarnesPortland, OR 972321063735892
- Alexander CookPortland, OR 972321316260144
- Nira GaddyPortland, OR 972321083942163
- Jennifer Holmberg, B.S.Portland, OR 972321275866105
- David HurfordPortland, OR 972321326363433
- Katelyn Kiehl, QMHAPortland, OR 972321285880542
- Patrick MaherPortland, OR 972321437364510
- Gail Nosek, M.S.W.Portland, OR 972321649307117
Common questions
What is Michael David Underriner's NPI number?
Michael David Underriner's National Provider Identifier (NPI) is 1922477066, issued on Sep 18, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Michael David Underriner located?
The NPPES record lists a practice address at 847 NE 19TH Ave, Portland, OR, 97232. Phone: (503) 238-0769. Providers update this record themselves, so call before visiting.
How can I verify Michael David Underriner's license?
Search the Oregon board that licenses this profession; the NPPES record confirms identity 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.