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

Frankie O'Brien, MS, RD, CSSD, LDN

Individual provider Registered Dietitian · NPI 1598366726

Frankie O'Brien, MS, RD, CSSD, LDN is a Registered Dietitian in Chicago, Illinois. Works from 2 locations. Registered with an NPI since 2020.

In the registry since
2020
What do these letters mean?
MS — Master of Science
A graduate science degree.
RD — Registered Dietitian
A credentialed nutrition professional.
LDN — Licensed Dietitian Nutritionist
A state-licensed dietitian nutritionist.

See every abbreviation used in this directory →

Practice location Address checks out

1841 N Bissell St # 3
Chicago, IL 60614-5012
Phone: (651) 307-4853
Show map & directions

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

Additional practice locations (1)

  • 2551 N Clark St Ste 400, Chicago, IL 60614-7725 — (312) 533-1754

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X

Record details

NPI number1598366726
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , RD , CSSD , LDN
Sole proprietorNo
NPI enumeratedNovember 4, 2020
Last updated in NPPESOctober 14, 2022
Certification dateOctober 14, 2022

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