Mark Andrew Brown, MD
Psychiatry Physician · Clackamas, OR
Mark Andrew Brown, MD is a psychiatry physician with a practice address in Clackamas, Oregon, and NPI 1932318078, issued on May 22, 2007. Check the license (Oregon MD154637, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark Andrew Brown
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- MD154637 OR
38004 AZ
A111108 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9800 SE Sunnyside RD, Clackamas, OR 97015
- Phone
- (035) 249-3434
- Enumerated
- May 22, 2007
- Record last updated
- Mar 10, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120405000684); accepts Medicare assignment
- Medical or professional school
- Oregon Health Sciences University School Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 764 in Oregon → Look up another NPI →
Also registered at 9800 SE Sunnyside RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jacqueline AdlawanFamily Medicine Physician1598708125
- Tatyana Aleksandrova, MDInternal Medicine Physician1740719103
- Jun Ying Ao, PSY.D.Counselor1548396450
- Ashley Austin, M.D.Family Medicine Physician1285097543
- Jaspreet Bains, PHARM DPharmacist1356591184
- Kristina Barley, MDFamily Medicine Physician1891145462
Verify Mark Andrew Brown in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD154637Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average psychiatry physician in 2024
2,465 Medicare Part D claims for 237 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Trazodone Hcl194 claims
- Quetiapine Fumarate165 claims
- Clonazepam138 claims
- Bupropion Xl133 claims
- Lamotrigine121 claims
- Fluoxetine Hcl107 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
- Kaiser Foundation Health Plan OF The NorthwestClackamas, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Andrew Brown among 764 psychiatry physician records in Oregon
Mark Andrew Brown, MD is one of 764 psychiatry physician records with a practice address in Oregon. 59% 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 43% of them.
- NPI issued2007 · 43% of these records are older, 42% newer
- In a Medicare fileYes · 59% of these records are
- In the CMS Doctors and Clinicians fileYes · 39% of these records are
- Graduated2005 · median 2009 among the 300 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Oregon
There are 764 psychiatry physician records in Oregon.
All 764 in Oregon → Every provider in Clackamas → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Cheryl Chessick, MDClackamas, OR 970151083707897
- My ChuongClackamas, OR 970151245650324
- Seema Dewani, MBBSClackamas, OR 970151710120324
- Debrin Goubert, MDClackamas, OR 970151326048539
- Rory Green, M.D.Clackamas, OR 970151245344266
- Josiah Hagen, D.O.Clackamas, OR 970151568604221
- Heather Knott, DOClackamas, OR 970151194900084
- Leonard Marcel, M.D.Clackamas, OR 970151649383563
Common questions
What is Mark Andrew Brown, MD's NPI number?
Mark Andrew Brown, MD's National Provider Identifier (NPI) is 1932318078, issued on May 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Andrew Brown, MD located?
The NPPES record lists a practice address at 9800 SE Sunnyside RD, Clackamas, OR, 97015. Phone: (035) 249-3434. Providers update this record themselves, so call before visiting.
How can I verify Mark Andrew Brown, MD's license?
NPPES lists Oregon license number MD154637, 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 Andrew Brown, MD prescribe under Medicare Part D?
In 2024, Mark Andrew Brown, MD had 2,465 Medicare Part D claims for 237 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.