Sacha Feirstein, LMSW, ACSW
NPI 1679786727 · Clinical Social Worker · Ann Arbor, MI
Sacha Feirstein, LMSW, ACSW is a Clinical Social Worker provider in Ann Arbor, MI (NPI 1679786727).
Provider details
- NPI number
- 1679786727
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW, ACSW
- Sex
- Female
- Sole proprietor
- No
- License
- 6801089968 (MI)
Specialties & taxonomies
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
- 2007-05-07
- Last updated
- 2014-07-23
Frequently asked questions
- What is Sacha Feirstein's NPI number?
- Sacha Feirstein's National Provider Identifier (NPI) is 1679786727, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sacha Feirstein's specialty?
- Sacha Feirstein is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Sacha Feirstein located?
- Sacha Feirstein's practice location on file with NPPES is 320 W Washington St, Ann Arbor, MI 48103-4228.
- What is Sacha Feirstein's phone number?
- The practice phone number listed in the NPPES registry for Sacha Feirstein is (734) 237-1976.
- Is Sacha Feirstein's NPI active?
- Yes — Sacha Feirstein's NPI (1679786727) is active in the NPPES registry as of the last update on 2014-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.