Matthew Allan Halfar, MD
Family Medicine Physician · Tualatin, OR
Matthew Allan Halfar, MD is a family medicine physician with a practice address in Tualatin, Oregon, and NPI 1184916744, issued on May 13, 2011. Check the license (Oregon MD229693, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Matthew Allan Halfar
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- MD229693 OR
29431 NE
MD.MD.70108040 WA
Self-reported in NPPES; status is on the state search - Practice location
- 19185 SW 90TH Ave, Tualatin, OR 97062
- Phone
- (800) 813-2000
- Enumerated
- May 13, 2011
- Record last updated
- Jul 14, 2026
- Medicare enrollment
- Enrolled (PECOS I20170522000057); 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 19185 SW 90TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Matthew Allan Halfar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD229693Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average family medicine physician in 2024
1,548 Medicare Part D claims for 179 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 65 claims were for opioids.
Most prescribed
- Atorvastatin Calcium88 claims
- Amlodipine Besylate78 claims
- Losartan Potassium69 claims
- Levothyroxine Sodium54 claims
- Omeprazole52 claims
- Gabapentin45 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.
Industry payments in 2024: $94.50
5 payments; by number, the most common kind was food and beverage; the largest payer was ViiV Healthcare Company. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Alegent Creighton ClinicOmaha, NE
- Alegent Health - Mercy Hospital Corning IowaLenox, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Allan Halfar among 2,847 family medicine physician records in Oregon
Matthew Allan Halfar, 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 2011, is newer than 65% of them.
- NPI issued2011 · 65% of these records are older, 32% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2009 · median 2009 among the 1,671 with a school on file
- Record last updated2026 · 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).
20 family medicine physician records list a practice address in Tualatin
They are 20 of the 863 NPPES records with a practice address in Tualatin, and 2,847 family medicine physician records in Oregon.
All 2,847 in Oregon → Every provider in Tualatin → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Yanina Benikova, M.D.Tualatin, OR 970621538115597
- Jonathan Berger, M.D.Tualatin, OR 970621326017997
- Debra Davis, M.D.Tualatin, OR 970621811081300
- Claire De Leon, MDTualatin, OR 970621669458956
- Bruce Holmes, MDTualatin, OR 970621790754273
- Kathleen Laughlin, M.DTualatin, OR 970621346282720
- Louis Liu, M.D.Tualatin, OR 970621336259274
- Jenny Nordeen, M.D.Tualatin, OR 970621871789024
Common questions
What is Matthew Allan Halfar, MD's NPI number?
Matthew Allan Halfar, MD's National Provider Identifier (NPI) is 1184916744, issued on May 13, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Allan Halfar, MD located?
The NPPES record lists a practice address at 19185 SW 90TH Ave, Tualatin, OR, 97062. Phone: (800) 813-2000. Providers update this record themselves, so call before visiting.
How can I verify Matthew Allan Halfar, MD's license?
NPPES lists Oregon license number MD229693, 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 Matthew Allan Halfar, MD prescribe under Medicare Part D?
In 2024, Matthew Allan Halfar, MD had 1,548 Medicare Part D claims for 179 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.