Landon Masterfield, PA-C
Medical Physician Assistant · Medford, OR
Landon Masterfield, PA-C is a medical physician assistant with a practice address in Medford, Oregon, and NPI 1861802944, issued on Apr 29, 2014. Check the license (Oregon PA174776, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Landon Masterfield
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA174776 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1111 Crater Lake Ave, Medford, OR 97504
- Phone
- (503) 732-6914
- Enumerated
- Apr 29, 2014
- Record last updated
- Oct 12, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150922002120); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 699 in Oregon → Look up another NPI →
Also registered at 1111 Crater Lake Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alexandra Alvarez, ATCAthletic Trainer1568652857
- Douglas Ammerman, MDStudent in an Organized Health Care Education/Training Program1740622604
- Puneet Bandi, M.D.Hospitalist Physician1801030382
- Shaik Basha, MDHospitalist Physician1578712378
- Olivia Bauer, LAT, ATCAthletic Trainer1154125482
Verify Landon Masterfield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license PA174776Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average medical physician assistant in 2024
143 Medicare Part D claims for 114 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Amoxicillin-Clavulanate Potass18 claims
- Nitrofurantoin Mono-Macro18 claims
- Sulfamethoxazole-Trimethoprim11 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).
Industry payments in 2024: $38.36
2 payments; by number, the most common kind was food and beverage; the largest payer was Bioventus LLC. The 16,165 providers of this specialty with any payment received $1,055.00 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 one group practice
- Northwest Extremity Specialists LLCMilwaukie, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Landon Masterfield among 699 medical physician assistant records in Oregon
Landon Masterfield, PA-C is one of 699 medical physician assistant records with a practice address in Oregon. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 56% of them.
- NPI issued2014 · 56% of these records are older, 38% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2015 · median 2014 among the 508 with a school on file
- Record last updated2016 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in Oregon
There are 699 medical physician assistant records in Oregon.
All 699 in Oregon → Every provider in Medford → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Kiran Aulakh, PA-CMedford, OR 975041750725685
- Daniel Bentley, PAMedford, OR 975041215196134
- Denis Davis, PAMedford, OR 975041578692901
- Alanna Dixon, PA-CMedford, OR 975041245416544
- Elena Forster, PAMedford, OR 975041932346095
- Howie Friedman, PAMedford, OR 975041013041466
- Rodney Hinds, P.A.Medford, OR 975041770792442
- Molly Matthews, PACMedford, OR 975041891124970
Common questions
What is Landon Masterfield, PA-C's NPI number?
Landon Masterfield, PA-C's National Provider Identifier (NPI) is 1861802944, issued on Apr 29, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Landon Masterfield, PA-C located?
The NPPES record lists a practice address at 1111 Crater Lake Ave, Medford, OR, 97504. Phone: (503) 732-6914. Providers update this record themselves, so call before visiting.
How can I verify Landon Masterfield, PA-C's license?
NPPES lists Oregon license number PA174776, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Landon Masterfield, PA-C prescribe under Medicare Part D?
In 2024, Landon Masterfield, PA-C had 143 Medicare Part D claims for 114 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.
What is Landon Masterfield, PA-C'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.