Martha Joyce Kjos, PA-C
Physician Assistant · Redmond, WA
Martha Joyce Kjos, PA-C is a physician assistant with a practice address in Redmond, Washington, and NPI 1427030394, issued on Nov 16, 2005. Check the license (Washington PA10003804, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Martha Joyce Kjos
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA10003804 WA
Self-reported in NPPES; status is on the state search - Practice location
- 8299 161St Ave NE, Redmond, WA 98052
- Phone
- (425) 881-8813
- Enumerated
- Nov 16, 2005
- Record last updated
- Feb 16, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (425) 869-7201
- Medicaid ID
- 8355612 WA
- Medicare enrollment
- Enrolled (PECOS I20100604000079); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,718 in Washington → Look up another NPI →
Also registered at 8299 161St Ave NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Martha Joyce Kjos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PA10003804Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% more Medicare Part D claims than the average physician assistant in 2024
1,411 Medicare Part D claims for 172 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 38 claims were for opioids.
Most prescribed
- Levothyroxine Sodium79 claims
- Atorvastatin Calcium70 claims
- Rosuvastatin Calcium63 claims
- Lisinopril61 claims
- Losartan Potassium48 claims
- Buspirone Hcl42 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
- King County Public Hospital District NO 2Duvall, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Martha Joyce Kjos among 3,718 physician assistant records in Washington
Martha Joyce Kjos, PA-C is one of 3,718 physician assistant records with a practice address in Washington. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 97% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1998 · median 2017 among the 2,460 with a school on file
- Record last updated2011 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 physician assistant records list a practice address in Redmond
They are 23 of the 1,797 NPPES records with a practice address in Redmond, and 3,718 physician assistant records in Washington.
All 3,718 in Washington → Every provider in Redmond → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Nathan Bushue, PA-CRedmond, WA 980521073087110
- Ann Gelgisser, P.A.Redmond, WA 980521811026651
- Robert Houk, PARedmond, WA 980521336269901
- Amy Jermann, PARedmond, WA 980521942320502
- Thomas Kimmel, PARedmond, WA 980521851427405
- Stephanie Mack HarmonRedmond, WA 980521295182574
- Colin O'BrienRedmond, WA 980521174970644
- Heena Patel, PA-CRedmond, WA 980521821640491
Common questions
What is Martha Joyce Kjos, PA-C's NPI number?
Martha Joyce Kjos, PA-C's National Provider Identifier (NPI) is 1427030394, issued on Nov 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Martha Joyce Kjos, PA-C located?
The NPPES record lists a practice address at 8299 161St Ave NE, Redmond, WA, 98052. Phone: (425) 881-8813. Providers update this record themselves, so call before visiting.
How can I verify Martha Joyce Kjos, PA-C's license?
NPPES lists Washington license number PA10003804, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Martha Joyce Kjos, PA-C prescribe under Medicare Part D?
In 2024, Martha Joyce Kjos, PA-C had 1,411 Medicare Part D claims for 172 beneficiaries; the average among physician assistant prescribers was 830. 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.