Kristien Marie Sima, PAC
Surgical Physician Assistant · Clackamas, OR
Kristien Marie Sima, PAC is a surgical physician assistant with a practice address in Clackamas, Oregon, and NPI 1336132471, issued on Aug 24, 2005. Check the license (Oregon PA01025, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kristien Marie Sima
- Credential
- PAC
- Primary taxonomy
- Surgical Physician Assistant 363AS0400X
- License numbers
- PA01025 OR
PA10004870 WA
Self-reported in NPPES; status is on the state search - Practice location
- 10180 SE Sunnyside RD, Clackamas, OR 97015
- Phone
- (800) 813-2000
- Enumerated
- Aug 24, 2005
- Record last updated
- Jan 26, 2026
- Medicaid ID
- 8502510 WA
- Medicare enrollment
- Enrolled (PECOS I20050407001319); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest surgical physician assistant records → All 362 in Oregon → Look up another NPI →
Also registered at 10180 SE Sunnyside RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aaron Abajian, MDDiagnostic Radiology Physician1942732300
- Samer Abufadil, MDInternal Medicine Physician1750437653
- Jeremy Adler, M.D.Anatomic Pathology & Clinical Pathology Physician1548617483
- Alejandro Aguilar, PA-CPhysician Assistant1740940006
- Usman Ahmad, D.O.Internal Medicine Physician1326288697
- Hyun Jung AhnPhysical Therapist1245014703
Verify Kristien Marie Sima in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license PA01025Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average surgical physician assistant in 2024
708 Medicare Part D claims for 246 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Tamsulosin Hcl215 claims
- Finasteride166 claims
- Trospium Chloride58 claims
- Cephalexin31 claims
- Estradiol29 claims
- Ciprofloxacin Hcl22 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
- Kaiser Foundation Health Plan OF The NorthwestClackamas, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kristien Marie Sima among 362 surgical physician assistant records in Oregon
Kristien Marie Sima, PAC is one of 362 surgical physician assistant records with a practice address in Oregon. 85% 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, 93% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 78% of these records are
- Graduated2004 · median 2014 among the 281 with a school on file
- Record last updated2026 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Physician Assistant providers in Oregon
There are 362 surgical physician assistant records in Oregon.
All 362 in Oregon → Every provider in Clackamas → Surgical Physician Assistant nationwide →
The 8 surgical physician assistant records with the nearest ZIP codes
- Corrie Doyle, PA-CClackamas, OR 970151902179237
- Jennifer Goka, PA-CClackamas, OR 970151740665694
- Michael Hollenback, P.A.-C.Clackamas, OR 970151003923293
- Whitney Marx, PA-CClackamas, OR 970151417735952
- Peter Musacchio, PAClackamas, OR 970151528151206
- Jay Schmidt, PA CClackamas, OR 970151225131147
- Johnny Siniscal, PHYSICANS ASSISTANTClackamas, OR 970151669583340
- Piotr Starosta, PA-CClackamas, OR 970151053747931
Common questions
What is Kristien Marie Sima, PAC's NPI number?
Kristien Marie Sima, PAC's National Provider Identifier (NPI) is 1336132471, issued on Aug 24, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Kristien Marie Sima, PAC located?
The NPPES record lists a practice address at 10180 SE Sunnyside RD, Clackamas, OR, 97015. Phone: (800) 813-2000. Providers update this record themselves, so call before visiting.
How can I verify Kristien Marie Sima, PAC's license?
NPPES lists Oregon license number PA01025, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Kristien Marie Sima, PAC prescribe under Medicare Part D?
In 2024, Kristien Marie Sima, PAC had 708 Medicare Part D claims for 246 beneficiaries; the average among surgical physician assistant prescribers was 304. 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.