Thomas Patrick Welch, MD
Psychiatry Physician · Aloha, OR
Thomas Patrick Welch, MD is a psychiatry physician with a practice address in Aloha, Oregon, and NPI 1083626121, issued on Aug 13, 2006. Check the license (Oregon MD17971, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Thomas Patrick Welch
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- MD17971 OR
Self-reported in NPPES; status is on the state search - Practice location
- 4585 SW 185TH Ave, Aloha, OR 97078
- Phone
- (503) 591-9280
- Enumerated
- Aug 13, 2006
- Record last updated
- Nov 19, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (503) 848-2072
- Medicaid ID
- F07035 OR
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 764 in Oregon → Look up another NPI →
Also registered at 4585 SW 185TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mindi Abeyta, CRM,CADC-RPeer Specialist1033934526
- Angela Abousamra, LMSW, LBS-PASocial Worker1790169340
- Boris AlexeevPeer Specialist1912576554
- Nicole AllenMental Health Counselor1013600931
- Collin AltenederMarriage & Family Therapist1326735234
- Irene AmezcuaMental Health Counselor1265808588
Verify Thomas Patrick Welch in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD17971Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.2 times the Medicare Part D claims of the average psychiatry physician in 2024
4,202 Medicare Part D claims for 227 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Risperidone297 claims
- Quetiapine Fumarate232 claims
- Trazodone Hcl211 claims
- Olanzapine206 claims
- Divalproex Sodium201 claims
- Clozapine197 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.
Thomas Patrick Welch among 764 psychiatry physician records in Oregon
Thomas Patrick Welch, 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 57% newer
- In a Medicare fileYes · 59% of these records are
- In the CMS Doctors and Clinicians fileNo · 39% of these records are
- Record last updated2019 · 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 Aloha → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Nauphyll Zuberi, MDAloha, OR 970781770656852
- Warren Keyser, MDWoodburn, OR 970711720607088
- Erin Wallace, M.D.Woodburn, OR 970711730405598
- Katherine Reis, NURSE PRACTITIONERHappy Valley, OR 970861992050249
- James Farley, MDWest Linn, OR 970681386782670
- Megan Brown, M.D.Tualatin, OR 970621972892495
- Susan Snow, MDTualatin, OR 970621831311893
- Edwin Romel De Leon, M.D.The Dalles, OR 970581871735464
Common questions
What is Thomas Patrick Welch, MD's NPI number?
Thomas Patrick Welch, MD's National Provider Identifier (NPI) is 1083626121, issued on Aug 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Patrick Welch, MD located?
The NPPES record lists a practice address at 4585 SW 185TH Ave, Aloha, OR, 97078. Phone: (503) 591-9280. Providers update this record themselves, so call before visiting.
How can I verify Thomas Patrick Welch, MD's license?
NPPES lists Oregon license number MD17971, 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 Thomas Patrick Welch, MD prescribe under Medicare Part D?
In 2024, Thomas Patrick Welch, MD had 4,202 Medicare Part D claims for 227 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.