SOUTHWEST HEMATOLOGY/ONCOLOGY CONSULTANTS
NPI 1629494224
Internal Medicine - Hematology & Oncology in Chicago, IL
About Southwest Hematology/oncology Consultants NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SOUTHWEST HEMATOLOGY/ONCOLOGY CONSULTANTS (NPI 1629494224) is a healthcare organization registered as a hematology & oncology in Chicago, Illinois and active in the NPI registry since March 2014. The organization lists John E Vazquez, Cmo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Southwest Hematology/oncology Consultants is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by January 31, 2027
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
644Medicare enrollment records show 644 clinicians reassign Medicare billing to Southwest Hematology/Oncology Consultants, which bills Medicare for the services they deliver. Of these, 74 practice within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 51
Nearest to this location (20)
See all 644Evanston, IL 60201
Chicago, IL 60625
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mount Sinai Community Foundation's NPI number?
The NPI number for Mount Sinai Community Foundation is 1629494224. It was assigned to this organization in the NPPES registry on March 7, 2014. The provider is doing business as Southwest Hematology/Oncology Consultants.
Where is Mount Sinai Community Foundation located?
Mount Sinai Community Foundation is located at 26460 Network Pl, Chicago, IL 60673. The listed phone number is (708) 786-2900.
What is Mount Sinai Community Foundation's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Mount Sinai Community Foundation enrolled in Medicare?
Yes. Mount Sinai Community Foundation is registered in the Medicare PECOS enrollment system.
When is Mount Sinai Community Foundation's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Illinois, Clinic/Group Practice) is due for revalidation by January 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Mount Sinai Community Foundation?
According to the CMS Revalidation Reassignment List (October 2026 release), 644 clinicians in 51 Medicare specialties reassign their Medicare billing to Mount Sinai Community Foundation. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (81), Internal Medicine (59) and Obstetrics/Gynecology (43). Of these, 74 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Mount Sinai Community Foundation was last updated on March 7, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Southwest Hematology/oncology Consultants · NPI 1629494224
Hematology & Oncology organization in Chicago, Illinois. Organization record, active in the CMS NPPES registry since March 7, 2014.
## Identity
- **NPI:** 1629494224 (Entity type: Organization)
- **Enumerated:** March 7, 2014
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **Legal business name:** Mount Sinai Community Foundation
- **Organization subpart:** Yes (part of Mount Sinai Community Foundation)
- **Authorized official:** John Vazquez, CMO
## Practice location
- **Address:** 26460 NETWORK PL, Chicago, IL 60673-1264
- **Phone:** (708) 786-2900 · **Fax:** (708) 786-2992
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** January 31, 2027 (Non-DME Part B, Illinois, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 644 clinicians in 51 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (81), Internal Medicine (59), Obstetrics/Gynecology (43); 74 practice within 10 miles; [full list](https://npiprofile.com/npi/1629494224/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 7, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1629494224) · Data from the CMS NPPES public registry.