Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

MS. Stacey Hallmark, LMSW

Individual provider Clinical Social Worker · NPI 1144565276

MS. Stacey Hallmark, LMSW is a Clinical Social Worker in Twin Falls, Idaho. Qualified in 2005, 21 years ago. Practices with St Lukes Clinic LLC, a 310-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Idaho and New York.

Years since qualifying
21
Licensed in
ID, NY
In the registry since
2012
Specialties on file
2
What do these letters mean?
LMSW — Licensed Master Social Worker
A master's-level social worker, usually practising under supervision.

See every abbreviation used in this directory →

Practice location Address checks out

815 N College Rd
Twin Falls, ID 83301-3484
Phone: (208) 814-9100
Fax: (208) 814-9903
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 217 E 87th St, New York, NY 10128-3200 — (212) 876-7427

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 8851860 (ID)
Clinical Social Worker Taxonomy 1041C0700X · Licence 073902-1 (NY)

Record details

NPI number1144565276
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMSW
Sole proprietorNo
NPI enumeratedNovember 29, 2012
Last updated in NPPESDecember 3, 2024
Certification dateDecember 3, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice St Lukes Clinic Llc — 310 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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