IndividualActive
Frankie O'Brien, MS, RD, CSSD, LDN
NPI 1598366726 · Registered Dietitian · Chicago, IL
Frankie O'Brien, MS, RD, CSSD, LDN is a Registered Dietitian provider in Chicago, IL (NPI 1598366726).
Provider details
- NPI number
- 1598366726
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- MS, RD, CSSD, LDN
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Established profile(61/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
1841 N Bissell St # 3
Chicago, IL 60614-5012
Phone: (651) 307-4853
Street-level locationGet directions
Mailing address
1841 N Bissell St # 3
Chicago, IL 60614-5012
Additional practice locations (1)
- 2551 N Clark St Ste 400Chicago, IL 60614-7725Phone: (312) 533-1754
Registry dates
- Enumerated
- 2020-11-04
- Last updated
- 2022-10-14
- Certified
- 2022-10-14
Frequently asked questions
- What is Frankie O'Brien's NPI number?
- Frankie O'Brien's National Provider Identifier (NPI) is 1598366726, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frankie O'Brien's specialty?
- Frankie O'Brien is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Frankie O'Brien located?
- Frankie O'Brien's practice location on file with NPPES is 1841 N Bissell St # 3, Chicago, IL 60614-5012.
- What is Frankie O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Frankie O'Brien is (651) 307-4853.
- Is Frankie O'Brien's NPI active?
- Yes — Frankie O'Brien's NPI (1598366726) is active in the NPPES registry as of the last update on 2022-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.