DR. STEVEN R GREENWALD M.D.
NPI 1881693802
Anesthesiology in Chicago, IL
About Dr. Steven R Greenwald M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEVEN R GREENWALD M.D. (NPI 1881693802) is an individual anesthesiology provider in Chicago, Illinois and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1977).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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. Steven R Greenwald M.d. 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
2Medicare enrollment records show Steven Greenwald reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60621
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: St Bernard Hospital
- 77 clinicians in this Medicare group
Chicago, IL 60617
- Reassigned Medicare billing, Illinois enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 60608
CHICAGO, IL 60608
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 Steven Greenwald's NPI number?
The NPI number for Steven Greenwald is 1881693802. It was assigned to this individual provider in the NPPES registry on July 20, 2005.
Where is Steven Greenwald located?
Steven Greenwald practices at 1501 S California Ave, Chicago, IL 60608. The listed phone number is (773) 257-6850.
What is Steven Greenwald's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Steven Greenwald enrolled in Medicare?
Yes. Steven Greenwald 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 Steven Greenwald's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Greenwald reassigns Medicare benefits to 2 organizations: St Bernard Hospital & Health Care Center (Chicago, IL) and Steven R. Greenwald MD Sc (Chicago, IL). 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 Steven Greenwald's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Steven Greenwald was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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. Steven R Greenwald, M.D. · NPI 1881693802
Anesthesiology physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since July 20, 2005.
## Identity
- **NPI:** 1881693802 (Entity type: Individual)
- **Enumerated:** July 20, 2005
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **Sole proprietor:** No
## Practice location
- **Address:** 1501 S CALIFORNIA AVE, Chicago, IL 60608-1732
- **Phone:** (773) 257-6850
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): St Bernard Hospital & Health Care Center (NPI 1700635190, Chicago, IL); Steven R. Greenwald MD Sc (NPI 1710406715, Chicago, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1977
## Record status
- **NPPES last updated:** July 13, 2026
- **Other identifiers:** Medicaid 036-069664-3 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1881693802) · Data from the CMS NPPES public registry.