Jose R Castellanos, MD
Internal Medicine · Chicago, IL
At a glance
303 E Superior St Fl 5, Chicago, IL 60611-3015
NPPES record updated May 22, 2025. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
303 E Superior St Fl 5Chicago, IL 60611-3015
Additional reported practice locations
55 Fruit StBoston, MA 021142696
Phone: 6177265820 2831 N Harding Ave
Chicago, IL 606187213
Phone: 7736771493 675 N Saint Clair St Ste 18-250
Chicago, IL 606115980
Phone: 3126951800
Fax: 3126954741
Education & affiliations
- Medical / professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb)
- Graduation year
- 2019
- CMS specialties
- Critical Care (Intensivists) · Internal Medicine
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
Reported hospital affiliations
- Northwestern Memorial Hospital Chicago, IL
- Palos Community Hospital Palos Heights, IL
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Service-mix comparison is unavailable for this NPI in the imported Medicare service file.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $121.89 |
Reporting companies
| Company | Amount |
|---|---|
| BOEHRINGER INGELHEIM PHARMACEUTICALS, INC. | $121.89 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Internal Medicine
- Taxonomy code
- 207R00000X
- Enumeration date
- Mar 24, 2019
- Record updated
- May 22, 2025
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
207RC0200X
License reported: 036160944 IL
390200000X
207R00000X · Primary
License reported: 036.160944 IL
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
303 E Superior St Fl 5Chicago, IL 60611-3015
- Phone
- (312) 908-8163
Mailing address
251 E HURON STCHICAGO, IL 606112908
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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