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Christopher Marcellus
NPI 1033417019 · Behavior Analyst · Chicago, IL
Christopher Marcellus is a Behavior Analyst provider in Chicago, IL (NPI 1033417019).
Provider details
- NPI number
- 1033417019
- Entity type
- Individual
- Primary specialty
- Behavior AnalystBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(75/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
83% 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
30 E Huron St Apt 1106
Chicago, IL 60611-2787
Phone: (630) 709-1513
Street-level locationGet directions
Mailing address
30 E Huron St Apt 1106
Chicago, IL 60611-2787
Registry dates
- Enumerated
- 2011-03-01
- Last updated
- 2011-03-01
Frequently asked questions
- What is Christopher Marcellus's NPI number?
- Christopher Marcellus's National Provider Identifier (NPI) is 1033417019, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Marcellus's specialty?
- Christopher Marcellus is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is Christopher Marcellus located?
- Christopher Marcellus's practice location on file with NPPES is 30 E Huron St Apt 1106, Chicago, IL 60611-2787.
- What is Christopher Marcellus's phone number?
- The practice phone number listed in the NPPES registry for Christopher Marcellus is (630) 709-1513.
- Is Christopher Marcellus's NPI active?
- Yes — Christopher Marcellus's NPI (1033417019) is active in the NPPES registry as of the last update on 2011-03-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.