Lauren Sifferman, LMHCA, ATR-P
NPI 1942144092 · Mental Health Counselor · Seattle, WA
Lauren Sifferman, LMHCA, ATR-P is a Mental Health Counselor provider in Seattle, WA (NPI 1942144092).
Provider details
- NPI number
- 1942144092
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LMHCA, ATR-P
- Sex
- Female
- Sole proprietor
- No
- License
- MC61592181 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
- 2026-04-17
- Last updated
- 2026-04-17
- Certified
- 2026-04-17
Frequently asked questions
- What is Lauren Sifferman's NPI number?
- Lauren Sifferman's National Provider Identifier (NPI) is 1942144092, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lauren Sifferman's specialty?
- Lauren Sifferman is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Lauren Sifferman located?
- Lauren Sifferman's practice location on file with NPPES is 4501 Rainier Ave S, Seattle, WA 98118-1656.
- What is Lauren Sifferman's phone number?
- The practice phone number listed in the NPPES registry for Lauren Sifferman is (206) 660-4396.
- Is Lauren Sifferman's NPI active?
- Yes — Lauren Sifferman's NPI (1942144092) is active in the NPPES registry as of the last update on 2026-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.