Sandra Siefken, LPC, LISAC
NPI 1871690933 · Counselor · Anthem, AZ
Sandra Siefken, LPC, LISAC is a Counselor provider in Anthem, AZ (NPI 1871690933).
Provider details
- NPI number
- 1871690933
- Entity type
- Individual
- Primary specialty
- CounselorBehavioral Health & Social Service Providers
- Credential
- LPC, LISAC
- Sex
- Female
- Sole proprietor
- Yes
- License
- LPC10450 (AZ)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service 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
- 2006-09-20
- Last updated
- 2026-05-15
- Certified
- 2026-05-15
Frequently asked questions
- What is Sandra Siefken's NPI number?
- Sandra Siefken's National Provider Identifier (NPI) is 1871690933, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandra Siefken's specialty?
- Sandra Siefken is listed in the NPPES registry with a primary specialty of Counselor (Behavioral Health & Social Service Providers).
- Where is Sandra Siefken located?
- Sandra Siefken's practice location on file with NPPES is 40820 N Trailhead Way, Anthem, AZ 85086-4941.
- What is Sandra Siefken's phone number?
- The practice phone number listed in the NPPES registry for Sandra Siefken is (602) 828-8783.
- Is Sandra Siefken's NPI active?
- Yes — Sandra Siefken's NPI (1871690933) is active in the NPPES registry as of the last update on 2026-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.