Lynette Siewert, PAC
NPI 1942313374 · Physician Assistant · Spearfish, SD
Lynette Siewert, PAC is a Physician Assistant provider in Spearfish, SD (NPI 1942313374).
Provider details
- NPI number
- 1942313374
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PAC
- Sex
- Female
- Sole proprietor
- No
- License
- 0476 (SD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-17
- Last updated
- 2007-07-08
Frequently asked questions
- What is Lynette Siewert's NPI number?
- Lynette Siewert's National Provider Identifier (NPI) is 1942313374, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lynette Siewert's specialty?
- Lynette Siewert is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Lynette Siewert located?
- Lynette Siewert's practice location on file with NPPES is 550 Colorado Blvd, Spearfish, SD 57783.
- What is Lynette Siewert's phone number?
- The practice phone number listed in the NPPES registry for Lynette Siewert is (605) 642-2030.
- Is Lynette Siewert's NPI active?
- Yes — Lynette Siewert's NPI (1942313374) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.