MICHAEL NIKOLOV M.D.
NPI 1093872822
Anesthesiology in Elgin, IL
About Michael Nikolov M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL NIKOLOV M.D. (NPI 1093872822) is an individual anesthesiology provider in Elgin, Illinois, licensed in Illinois (036092238) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Naples Community Hospital, and maintains a secondary practice location in Park Ridge.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 4
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
Michael Nikolov 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
9Medicare enrollment records show Michael Nikolov reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Downers Grove, IL 60515
- Reassigned Medicare billing, Illinois enrollment
- 4,870 clinicians in this Medicare group
Pleasant Prairie, WI 53158
- Reassigned Medicare billing, Wisconsin enrollment
- 210 clinicians in this Medicare group
Mount Pleasant, WI 53405
- Reassigned Medicare billing, Wisconsin enrollment
- 162 clinicians in this Medicare group
Saint Louis, MO 63136
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Midwest Anesthesia Providers Sc
- 253 clinicians in this Medicare group
Erie, PA 16502
- Reassigned Medicare billing, Pennsylvania enrollment
- 483 clinicians in this Medicare group
Arlington, TX 76006
- Reassigned Medicare billing, Illinois enrollment
- 735 clinicians in this Medicare group
Lawrence, MA 01842
- Reassigned Medicare billing, Massachusetts enrollment
- 231 clinicians in this Medicare group
Maitland, FL 32751
- Reassigned Medicare billing, Florida enrollment
- 2,356 clinicians in this Medicare group
Dade City, FL 33525
- Reassigned Medicare billing, Florida enrollment
- 1,287 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 2
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Naples Community Hospital
Acute Care Hospitals · Naples, FLUmass Memorial Healthalliance Hospitals
Acute Care Hospitals · Leominster, MASaint Vincent Hospital
Acute Care Hospitals · Erie, PAAscension NE Wisconsin - St Elizabeth Campus
Acute Care Hospitals · Appleton, WIFroedtert South Inc.
Acute Care Hospitals · Pleasant Prairie, WIMedicare 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.
Reported Quality Measures
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 Michael Nikolov's NPI number?
The NPI number for Michael Nikolov is 1093872822. It was assigned to this individual provider in the NPPES registry on January 2, 2007.
Where is Michael Nikolov located?
Michael Nikolov practices at 1425 N Randall Rd Dept Of, Elgin, IL 60123. The listed phone number is (847) 742-9800.
What is Michael Nikolov's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Michael Nikolov enrolled in Medicare?
Yes. Michael Nikolov 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 Michael Nikolov's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Nikolov reassigns Medicare benefits to 9 organizations: Advocate Health And Hospitals Corporation (Downers Grove, IL), Vituity-Wisconsin Anesthesia Sc (Pleasant Prairie, WI), Racine Anesthesia Services, LLC (Mount Pleasant, WI), Midwest Anesthesia Providers S.C (Saint Louis, MO), St Vincent Medical Education And Research Institute Inc (Erie, PA) and 4 more organizations, listed in the Medicare section above. 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 Michael Nikolov's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Michael Nikolov affiliated with any hospitals?
According to CMS data, Michael Nikolov is affiliated with Naples Community Hospital, Umass Memorial Healthalliance Hospitals, Saint Vincent Hospital, Ascension NE Wisconsin - St Elizabeth Campus and Froedtert South Inc..
When was this NPI record last updated?
The NPPES record for Michael Nikolov was last updated on December 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.