DR. JAMES WREN MD
NPI 1972863124
Urology in Chicago, IL
About Dr. James Wren Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES WREN MD (NPI 1972863124) is an individual urology provider in Chicago, Illinois, licensed in Illinois (125071418) and active in the NPI registry since May 2012. He is enrolled in Medicare PECOS, is affiliated with Beth Israel Deaconess Hospital - Needham, and maintains a secondary practice location in Indianapolis.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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 and accepts Medicare assignment
Dr. James Wren Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show James Wren reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 4,817 clinicians in this Medicare group
Concord, MA 01742
- Reassigned Medicare billing, Massachusetts enrollment
- 1,317 clinicians in this Medicare group
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1720037385 (Massachusetts)
- 2,579 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Beth Israel Deaconess Hospital - Needham
Acute Care Hospitals · Needham, MABeth Israel Deaconess Medical Center
Acute Care Hospitals · Boston, MAPhysician 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.
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 James Wren's NPI number?
The NPI number for James Wren is 1972863124. It was assigned to this individual provider in the NPPES registry on May 22, 2012.
Where is James Wren located?
James Wren practices at 675 N Saint Clair St Fl 20, Chicago, IL 60611. The listed phone number is (347) 534-5452.
What is James Wren's specialty?
The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.
Is James Wren enrolled in Medicare?
Yes. James Wren is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for James Wren's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Wren reassigns Medicare benefits to 3 organizations: Northwestern Medical Faculty Foundation (Carol Stream, IL), Atrius Health, Inc. (Concord, MA) and Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA). 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 James Wren's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Wren accept?
Health plans from Taro Health list James Wren 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.
Is James Wren affiliated with any hospitals?
According to CMS data, James Wren is affiliated with Beth Israel Deaconess Hospital - Needham and Beth Israel Deaconess Medical Center.
When was this NPI record last updated?
The NPPES record for James Wren was last updated on August 7, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Dr. James Wren, MD · NPI 1972863124
Urology physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since May 22, 2012.
## Identity
- **NPI:** 1972863124 (Entity type: Individual)
- **Enumerated:** May 22, 2012
- **Primary specialty:** Urology · taxonomy 208800000X
- **State license:** 125071418 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 675 N SAINT CLAIR ST FL 20, Chicago, IL 60611
- **Phone:** (347) 534-5452
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Northwestern Medical Faculty Foundation (NPI 1346235314, Carol Stream, IL); Atrius Health, Inc. (NPI 1265655799, Concord, MA); Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (NPI 1194765438, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** August 7, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1972863124) · Data from the CMS NPPES public registry.