Mark A. Thompson, MD
Family Medicine Physician · Portland, OR
Mark A. Thompson, MD is a family medicine physician with a practice address in Portland, Oregon, and NPI 1598781684, issued on Jul 14, 2006. Check the license (Oregon MD19796, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark A. Thompson
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD19796 OR
Self-reported in NPPES; status is on the state search - Practice location
- 4920 N Interstate Ave, Portland, OR 97217
- Phone
- (503) 215-3300
- Enumerated
- Jul 14, 2006
- Record last updated
- Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (503) 215-3350
- Medicaid ID
- 079728 OR
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,847 in Oregon → Look up another NPI →
Also registered at 4920 N Interstate Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark A. Thompson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD19796Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average family medicine physician in 2024
84 Medicare Part D claims for 75 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Tizanidine Hcl13 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): 87.8 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).
Mark A. Thompson among 2,847 family medicine physician records in Oregon
Mark A. Thompson, 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 fileNo · 59% of these records are
- 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).
561 family medicine physician records list a practice address in Portland
They are 561 of the 42,088 NPPES records with a practice address in Portland, and 2,847 family medicine physician records in Oregon.
All 2,847 in Oregon → Every provider in Portland → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Matthew Breeze, MDPortland, OR 972171083655609
- Simon Chan, DOPortland, OR 972171841242195
- Diego Diaz, MDPortland, OR 972171407019532
- Shauna Ensminger, MDPortland, OR 972171619960002
- Gregory Freed, M.D.Portland, OR 972171346433042
- Monique Gedenk, MDPortland, OR 972171740226745
- Janel Guyette, M.D.Portland, OR 972171205990660
- Mary Frances Lowdermilk, M.D.Portland, OR 972171245453315
Common questions
What is Mark A. Thompson, MD's NPI number?
Mark A. Thompson, MD's National Provider Identifier (NPI) is 1598781684, issued on Jul 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark A. Thompson, MD located?
The NPPES record lists a practice address at 4920 N Interstate Ave, Portland, OR, 97217. Phone: (503) 215-3300. Providers update this record themselves, so call before visiting.
How can I verify Mark A. Thompson, MD's license?
NPPES lists Oregon license number MD19796, 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 Mark A. Thompson, MD prescribe under Medicare Part D?
In 2024, Mark A. Thompson, MD had 84 Medicare Part D claims for 75 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Mark A. Thompson, MD's MIPS final score?
The 2023 MIPS final score is 87.8 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.