RAYMOND BERGAN MD
NPI 1871569640
Internal Medicine - Medical Oncology in Chicago, IL
About Raymond Bergan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RAYMOND BERGAN MD (NPI 1871569640) is an individual medical oncology provider in Chicago, Illinois, licensed in Illinois (036-099084) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1987).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Raymond Bergan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Raymond Bergan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Omaha, NE 68198
- Reassigned Medicare billing, Nebraska enrollment
- 2,154 clinicians in this Medicare group
Stony Brook, NY 11794
- Reassigned Medicare billing, New York enrollment
- Also billed through NPI 1578502100 (New York)
- 177 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60611 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
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 Raymond Bergan's NPI number?
The NPI number for Raymond Bergan is 1871569640. It was assigned to this individual provider in the NPPES registry on February 23, 2006.
Where is Raymond Bergan located?
Raymond Bergan practices at 675 N Saint Clair St Suite 100, Chicago, IL 60611. The listed phone number is (312) 695-0990.
What is Raymond Bergan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is Raymond Bergan enrolled in Medicare?
Yes. Raymond Bergan is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Raymond Bergan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Raymond Bergan reassigns Medicare benefits to 2 organizations: Unmc Physicians (Omaha, NE) and Stony Brook Internists, University Faculty Practice Corporation (Stony Brook, NY). Each 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 Raymond Bergan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Raymond Bergan accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Blue Cross and Blue Shield of Nebraska and Oscar Insurance Company and 1 other insurer list Raymond Bergan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Raymond Bergan was last updated on May 8, 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.
# Raymond Bergan, MD · NPI 1871569640
Medical Oncology physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since February 23, 2006.
## Identity
- **NPI:** 1871569640 (Entity type: Individual)
- **Enumerated:** February 23, 2006
- **Primary specialty:** Internal Medicine - Medical Oncology · taxonomy 207RX0202X
- **State license:** 036-099084 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 675 N SAINT CLAIR ST, SUITE 100, Chicago, IL 60611-5975
- **Phone:** (312) 695-0990 · **Fax:** (312) 695-1106
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Unmc Physicians (NPI 1417912114, Omaha, NE); Stony Brook Internists, University Faculty Practice Corporation (NPI 1295778371, Stony Brook, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1987
## Record status
- **NPPES last updated:** May 8, 2014
- **Other identifiers:** Medicare UPIN F82279
---
Source: [NPI Profile](https://npiprofile.com/npi/1871569640) · Data from the CMS NPPES public registry.