DR. ANNA ISYANOV M.D.
NPI 1134375256
Anesthesiology in Chicago, IL
About Dr. Anna Isyanov M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANNA ISYANOV M.D. (NPI 1134375256) is an individual anesthesiology provider in Chicago, Illinois, licensed in Illinois (036120280) and active in the NPI registry since August 2008. She is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Central Dupage Hospital, and is a graduate of R Franklin University Of Med & Sci/chicago Medical School (2004).
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. Anna Isyanov 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
3Medicare enrollment records show Anna Isyanov reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rosemont, IL 60018
- Reassigned Medicare billing, Illinois enrollment
- 60 clinicians in this Medicare group
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 1,664 clinicians in this Medicare group
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 4,817 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northwestern Medicine Central Dupage Hospital
Acute Care Hospitals · Winfield, ILMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 60614
CHICAGO, IL 60614
CHICAGO, IL 60614
CHICAGO, IL 60614
CHICAGO, IL 60614
CHICAGO, IL 60614
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 Anna Isyanov's NPI number?
The NPI number for Anna Isyanov is 1134375256. It was assigned to this individual provider in the NPPES registry on August 8, 2008.
Where is Anna Isyanov located?
Anna Isyanov practices at 2300 N Childrens Plz, Chicago, IL 60614. The listed phone number is (773) 880-4414.
What is Anna Isyanov's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Anna Isyanov enrolled in Medicare?
Yes. Anna Isyanov 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 Anna Isyanov's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anna Isyanov reassigns Medicare benefits to 3 organizations: West Central Anesthesiology Group Ltd (Rosemont, IL), Central Dupage Physician Group (Carol Stream, IL) and Northwestern Medical Faculty Foundation (Carol Stream, 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 Anna Isyanov's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Anna Isyanov affiliated with any hospitals?
According to CMS data, Anna Isyanov is affiliated with Northwestern Medicine Central Dupage Hospital.
When was this NPI record last updated?
The NPPES record for Anna Isyanov was last updated on August 8, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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. Anna Isyanov, M.D. · NPI 1134375256
Anesthesiology physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since August 8, 2008.
## Identity
- **NPI:** 1134375256 (Entity type: Individual)
- **Enumerated:** August 8, 2008
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 036120280 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 2300 N CHILDRENS PLZ, Chicago, IL 60614-3363
- **Phone:** (773) 880-4414
## 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): West Central Anesthesiology Group Ltd (NPI 1396785648, Rosemont, IL); Central Dupage Physician Group (NPI 1033149844, Carol Stream, IL); Northwestern Medical Faculty Foundation (NPI 1346235314, Carol Stream, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** R Franklin University Of Med & Sci/chicago Medical School, class of 2004
## Record status
- **NPPES last updated:** August 8, 2008
- **Other identifiers:** Other 036120280 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1134375256) · Data from the CMS NPPES public registry.