Jonas De Souza, M.D.
NPI 1801034830 · Hematology & Oncology Physician · Chicago, IL
Jonas De Souza, M.D. is a Hematology & Oncology Physician provider in Chicago, IL (NPI 1801034830).
Provider details
- NPI number
- 1801034830
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 125054207 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
Mailing address
Registry dates
- Enumerated
- 2009-01-29
- Last updated
- 2009-01-29
Frequently asked questions
- What is Jonas De Souza's NPI number?
- Jonas De Souza's National Provider Identifier (NPI) is 1801034830, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonas De Souza's specialty?
- Jonas De Souza is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Jonas De Souza located?
- Jonas De Souza's practice location on file with NPPES is 5200 S Ellis Ave, Chicago, IL 60615-4365.
- What is Jonas De Souza's phone number?
- The practice phone number listed in the NPPES registry for Jonas De Souza is (713) 301-9530.
- Is Jonas De Souza's NPI active?
- Yes — Jonas De Souza's NPI (1801034830) is active in the NPPES registry as of the last update on 2009-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.