Lynette Siewert, PAC
Physician Assistant · Spearfish, SD
Lynette Siewert, PAC is a physician assistant with a practice address in Spearfish, South Dakota, and NPI 1942313374, issued on Aug 17, 2006. Check the license (South Dakota 0476, as entered in NPPES) with the South Dakota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lynette Siewert
- Credential
- PAC
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 0476 SD
Self-reported in NPPES; status is on the state search - Practice location
- 550 Colorado Blvd, Spearfish, SD 57783
- Phone
- (605) 642-2030
- Enumerated
- Aug 17, 2006
- Entity
- Type 1 · individual
Also registered at 550 Colorado Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- April Anderson, LPCCounselor1891808226
- Martyann Apa, MA AUDAudiologist1770686826
Verify Lynette Siewert in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich South Dakota board licenses this profession
Search for license 0476Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
96% fewer Medicare Part D claims than the average physician assistant in 2024
30 Medicare Part D claims, against an average of 832 among the 95,030 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
9 physician assistant records list a Spearfish practice address
They are 9 of the 382 NPPES records with a Spearfish practice address, and 631 physician assistant records in South Dakota.
All 9 in Spearfish → All 631 in South Dakota → Every provider in Spearfish →
Other physician assistant records in South Dakota
- Michael Aanderud, PA-CRapid City, SD1265412878
- Benjamin Abbey, PA-CMitchell, SD1639590219
- Julia Abraham, PA-CDell Rapids, SD1104082288
- Riley AckermanRapid City, SD1073241790
- Amanda Adams, PA-CHuron, SD1720327331
- Bradley Adams, PACTyndall, SD1336141118
- Jaime Aguilar, PACEagle Butte, SD1962552398
- Lisa Alban, PA-CPierre, SD1851739338
- Melissa Alexander, PASioux Falls, SD1366625352
- Emily Allen, PASioux Falls, SD1508687427
Common questions
What is Lynette Siewert, PAC's NPI number?
Lynette Siewert, PAC's National Provider Identifier (NPI) is 1942313374, issued on Aug 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lynette Siewert, PAC located?
The NPPES record lists a practice address at 550 Colorado Blvd, Spearfish, SD, 57783. Phone: (605) 642-2030. Providers update this record themselves, so call before visiting.
How can I verify Lynette Siewert, PAC's license?
NPPES lists South Dakota license number 0476, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.
How much does Lynette Siewert, PAC prescribe under Medicare Part D?
In 2024, Lynette Siewert, PAC had 30 Medicare Part D claims; the average among physician assistant prescribers was 832. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.