James Mathew Petersen, PA-C
Medical Physician Assistant · Yakima, WA
James Mathew Petersen, PA-C is a medical physician assistant with a practice address in Yakima, Washington, and NPI 1275022964, issued on May 8, 2018. Check the license (Washington PA60710620, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James Mathew Petersen
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA60710620 WA
Self-reported in NPPES; status is on the state search - Practice location
- 12 S 8TH St, Yakima, WA 98901
- Phone
- (509) 454-4143
- Enumerated
- May 8, 2018
- Record last updated
- Jan 26, 2023
- Medicare enrollment
- Enrolled (PECOS I20180614002087); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 1,068 in Washington → Look up another NPI →
Also registered at 12 S 8TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christine AikinWomen's Health Nurse Practitioner1518506005
- Angelica Alcala-SanchezRegistered Nurse1861012882
- Veronica Alcaraz Sandoval, RNRegistered Nurse1821522426
- Jeannie Appelhof, RDHDental Hygienist1053446591
- Blanca ArroyoCase Manager/Care Coordinator1851916639
- Nana Asiedu-Ofei, M.DPediatrics Physician1861829012
Verify James Mathew Petersen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PA60710620Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average medical physician assistant in 2024
467 Medicare Part D claims for 193 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.
Most prescribed
- Zolpidem Tartrate115 claims
- Lisinopril21 claims
- Atorvastatin Calcium18 claims
- Losartan Potassium17 claims
- Trazodone Hcl16 claims
- Metformin Hcl15 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): 61.5 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: $152.35
7 payments; by number, the most common kind was food and beverage; the largest payer was Harmony Biosciences 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
- Yakima Valley Memorial PhysiciansYakima, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Mathew Petersen among 1,068 medical physician assistant records in Washington
James Mathew Petersen, PA-C is one of 1,068 medical physician assistant records with a practice address in Washington. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 83% of them.
- NPI issued2018 · 83% of these records are older, 14% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated2016 · median 2013 among the 581 with a school on file
- Record last updated2023 · 61% 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 Washington 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 Washington
There are 1,068 medical physician assistant records in Washington.
All 1,068 in Washington → Every provider in Yakima → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Mary Jenkins, PAYakima, WA 989011861586190
- James Charles, PA-CYakima, WA 989021235153255
- Deborah Degooyer, PA-CYakima, WA 989021134156128
- Eric HohmanYakima, WA 989021801810924
- Soly Houy, PAC MMSYakima, WA 989021851318851
- Gretchen Kaizer, PA, RNYakima, WA 989021538196654
- Dyann Kanzler, PAVYakima, WA 989021609962893
- Steven Mack, PACYakima, WA 989021578550091
Common questions
What is James Mathew Petersen, PA-C's NPI number?
James Mathew Petersen, PA-C's National Provider Identifier (NPI) is 1275022964, issued on May 8, 2018. An NPI identifies a provider in billing; it is not a license.
Where is James Mathew Petersen, PA-C located?
The NPPES record lists a practice address at 12 S 8TH St, Yakima, WA, 98901. Phone: (509) 454-4143. Providers update this record themselves, so call before visiting.
How can I verify James Mathew Petersen, PA-C's license?
NPPES lists Washington license number PA60710620, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does James Mathew Petersen, PA-C prescribe under Medicare Part D?
In 2024, James Mathew Petersen, PA-C had 467 Medicare Part D claims for 193 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.
What is James Mathew Petersen, PA-C's MIPS final score?
The 2023 MIPS final score is 61.5 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.