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

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.

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Practice location Address checks out

815 N College Rd
Twin Falls, ID 83301-3484
Phone: (208) 814-9100
Fax: (208) 814-9903
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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
Mailing address190 E Bannock St, Boise, ID 83712-6241

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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