Kevin J. Grainger, MD
Family Medicine Physician · Happy Valley, OR
Kevin J. Grainger, MD is a family medicine physician with a practice address in Happy Valley, Oregon, and NPI 1194889808, issued on Dec 20, 2006. Check the license (Oregon MD25381, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Kevin J. Grainger
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD25381 OR
Self-reported in NPPES; status is on the state search - Practice location
- 16180 SE Sunnyside RD Ste 102, Happy Valley, OR 97015
- Phone
- (503) 582-4900
- Enumerated
- Dec 20, 2006
- Record last updated
- Feb 12, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20070119000033); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,847 in Oregon → Look up another NPI →
Also registered at 16180 SE Sunnyside RD Ste 102
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Theodore Askwith, PSYDCognitive & Behavioral Psychologist1720405566
- Jennifer Freadman, BSNRegistered Nurse1770414088
- Sally Gildehaus, PSYDPsychologist1407381882
- Merna Labib, DOFamily Medicine Physician1811456130
- Jennifer Larson, M.D.Emergency Medicine Physician1679512347
- Graham Phelps, FNP-BCFamily Nurse Practitioner1114358033
Verify Kevin J. Grainger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD25381Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average family medicine physician in 2024
1,443 Medicare Part D claims for 189 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 50 claims were for opioids.
Most prescribed
- Atorvastatin Calcium126 claims
- Lisinopril61 claims
- Losartan Potassium48 claims
- Simvastatin48 claims
- Amlodipine Besylate45 claims
- Gentamicin Sulfate45 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
- Providence Health And Services OregonPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kevin J. Grainger among 2,847 family medicine physician records in Oregon
Kevin J. Grainger, MD 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
- Graduated2001 · 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).
15 family medicine physician records list a practice address in Happy Valley
They are 15 of the 387 NPPES records with a practice address in Happy Valley, and 2,847 family medicine physician records in Oregon.
All 2,847 in Oregon → Every provider in Happy Valley → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- John Anderson, MDClackamas, OR 970151992744056
- Daniel Constien, M.D.Clackamas, OR 970151447204086
- Barry Davis, DOClackamas, OR 970151356324842
- Patricia Gallegos, DOClackamas, OR 970151285617779
- Moses Gallegos, DOClackamas, OR 970151184607673
- Thomas Hickerson, MDClackamas, OR 970151700840675
- Raymond Lee, DOClackamas, OR 970151578559951
- Mith Leng, M.D.Clackamas, OR 970151457306458
Common questions
What is Kevin J. Grainger, MD's NPI number?
Kevin J. Grainger, MD's National Provider Identifier (NPI) is 1194889808, issued on Dec 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kevin J. Grainger, MD located?
The NPPES record lists a practice address at 16180 SE Sunnyside RD Ste 102, Happy Valley, OR, 97015. Phone: (503) 582-4900. Providers update this record themselves, so call before visiting.
How can I verify Kevin J. Grainger, MD's license?
NPPES lists Oregon license number MD25381, 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 Kevin J. Grainger, MD prescribe under Medicare Part D?
In 2024, Kevin J. Grainger, MD had 1,443 Medicare Part D claims for 189 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.