Stephanie M. Walker, PA-C
Physician Assistant · Sioux City, IA
Stephanie M. Walker, PA-C is a physician assistant with a practice address in Sioux City, Iowa, and NPI 1275668162, issued on Feb 22, 2007. Check the license (Iowa 001770, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Stephanie M. Walker
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 001770 IA
Self-reported in NPPES; status is on the state search - Practice location
- 5885 Sunnybrook Dr, Sioux City, IA 51106
- Phone
- (712) 266-2760
- Enumerated
- Feb 22, 2007
- Record last updated
- Oct 6, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (712) 266-2789
- Medicare enrollment
- Enrolled (PECOS I20070329000608); accepts Medicare assignment
- Medical or professional school
- Uniformed Services Uhs Fe Hebert School Of Med, 2005
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 1,525 in Iowa → Look up another NPI →
Also registered at 5885 Sunnybrook Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Anne LangloisPhysician Assistant1245539733
Verify Stephanie M. Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 001770Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average physician assistant in 2024
108 Medicare Part D claims for 64 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin20 claims
- Doxycycline Hyclate14 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.
Stephanie M. Walker among 1,525 physician assistant records in Iowa
Stephanie M. Walker, PA-C is one of 1,525 physician assistant records with a practice address in Iowa. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 27% of them.
- NPI issued2007 · 27% of these records are older, 69% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2005 · median 2017 among the 1,053 with a school on file
- Record last updated2015 · 41% 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 Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
32 physician assistant records list a practice address in Sioux City
They are 32 of the 1,486 NPPES records with a practice address in Sioux City, and 1,525 physician assistant records in Iowa.
All 1,525 in Iowa → Every provider in Sioux City → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Ashley Bennett, PA-CSioux City, IA 511061003219551
- Colette Demoss, PA-CSioux City, IA 511061407585623
- Anne LangloisSioux City, IA 511061245539733
- Albert Okine, PA-C., M.S.P.A.S.Sioux City, IA 511061962558957
- Jeremy Vitamvas, PASioux City, IA 511061003845280
- Molly Earleywine, PASioux City, IA 511051912991183
- Randy Guerdet, PASioux City, IA 511051811981921
- Clifford Wilkinson, PA-CSioux City, IA 511051326080433
Common questions
What is Stephanie M. Walker, PA-C's NPI number?
Stephanie M. Walker, PA-C's National Provider Identifier (NPI) is 1275668162, issued on Feb 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Stephanie M. Walker, PA-C located?
The NPPES record lists a practice address at 5885 Sunnybrook Dr, Sioux City, IA, 51106. Phone: (712) 266-2760. Providers update this record themselves, so call before visiting.
How can I verify Stephanie M. Walker, PA-C's license?
NPPES lists Iowa license number 001770, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Stephanie M. Walker, PA-C prescribe under Medicare Part D?
In 2024, Stephanie M. Walker, PA-C had 108 Medicare Part D claims for 64 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.