Spencer A. Clarke, M.D.
Family Medicine Physician · Lakeview, OR
Spencer A. Clarke, M.D. is a family medicine physician with a practice address in Lakeview, Oregon, and NPI 1801873591, issued on Dec 23, 2005. Check the license (Oregon MD21779, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Spencer A. Clarke
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD21779 OR
Self-reported in NPPES; status is on the state search - Practice location
- 624 S J St, Lakeview, OR 97630
- Phone
- (541) 947-3366
- Enumerated
- Dec 23, 2005
- Record last updated
- Jul 21, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (541) 947-4404
- Medicaid ID
- 134017 OR
- Medicare enrollment
- Enrolled (PECOS I20101111001393); accepts Medicare assignment
- Medical or professional school
- Oregon Health Sciences University School Of Medicine, 1996
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,847 in Oregon → Look up another NPI →
Also registered at 624 S J St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Bomengen, M.D.Family Medicine Physician1154392454
- Timothy Gallagher, M.D.Family Medicine Physician1952388647
- Stephen Hussey, M.D.Family Medicine Physician1881671576
- Elieana OstiguinCommunity Health Worker1134048077
Verify Spencer A. Clarke in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD21779Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average family medicine physician in 2024
234 Medicare Part D claims for 116 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 35 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen16 claims
- Prednisone15 claims
- Meloxicam12 claims
- Potassium Chloride12 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 92.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
2 hospitals and group practices
- Harney District HospitalBurns, OR · Critical Access Hospitals
- Lake Health DistrictLakeview, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
Spencer A. Clarke among 2,847 family medicine physician records in Oregon
Spencer A. Clarke, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1996 · median 2009 among the 1,671 with a school on file
- Record last updated2010 · 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).
6 family medicine physician records list a practice address in Lakeview
They are 6 of the 99 NPPES records with a practice address in Lakeview, and 2,847 family medicine physician records in Oregon.
All 2,847 in Oregon → Every provider in Lakeview → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Robert Bomengen, M.D.Lakeview, OR 976301154392454
- Timothy Gallagher, M.D.Lakeview, OR 976301952388647
- Charles Graham, D.O.Lakeview, OR 976301700932332
- Stephen Hussey, M.D.Lakeview, OR 976301881671576
- Bard Rogers, M.D.Lakeview, OR 976301639185192
- Susanne Duncan, NURSE PRACTITIONERChiloquin, OR 976241326724600
- Qiang Yin, M.D.Chiloquin, OR 976241225260946
- Melissa Doosing, ND, MSNKlamath Falls, OR 976031003655036
Common questions
What is Spencer A. Clarke, M.D.'s NPI number?
Spencer A. Clarke, M.D.'s National Provider Identifier (NPI) is 1801873591, issued on Dec 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Spencer A. Clarke, M.D. located?
The NPPES record lists a practice address at 624 S J St, Lakeview, OR, 97630. Phone: (541) 947-3366. Providers update this record themselves, so call before visiting.
How can I verify Spencer A. Clarke, M.D.'s license?
NPPES lists Oregon license number MD21779, 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 Spencer A. Clarke, M.D. prescribe under Medicare Part D?
In 2024, Spencer A. Clarke, M.D. had 234 Medicare Part D claims for 116 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Spencer A. Clarke, M.D.'s MIPS final score?
The 2023 MIPS final score is 92.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.