IndividualActive
Marissa Fleming, MS, RDN, LDN
NPI 1649946393 · Registered Dietitian · Chicago, IL
Marissa Fleming, MS, RDN, LDN is a Registered Dietitian provider in Chicago, IL (NPI 1649946393).
Provider details
- NPI number
- 1649946393
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- MS, RDN, LDN
- Sex
- Female
- Sole proprietor
- No
- License
- 164.007951 (IL)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Established profile(62/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
2003 W Fulton St
Chicago, IL 60612-2345
Phone: (312) 850-3438
Street-level locationGet directions
Mailing address
332 N Salem Ave Apt 2g
Arlington Heights, IL 60005-1331
Registry dates
- Enumerated
- 2021-08-20
- Last updated
- 2021-08-20
- Certified
- 2021-08-20
Frequently asked questions
- What is Marissa Fleming's NPI number?
- Marissa Fleming's National Provider Identifier (NPI) is 1649946393, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Fleming's specialty?
- Marissa Fleming is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Marissa Fleming located?
- Marissa Fleming's practice location on file with NPPES is 2003 W Fulton St, Chicago, IL 60612-2345.
- What is Marissa Fleming's phone number?
- The practice phone number listed in the NPPES registry for Marissa Fleming is (312) 850-3438.
- Is Marissa Fleming's NPI active?
- Yes — Marissa Fleming's NPI (1649946393) is active in the NPPES registry as of the last update on 2021-08-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.