SHEILA ATENDIDO CRNA
NPI 1609308139
Nurse Anesthetist, Certified Registered in Crystal Lake, IL
About Sheila Atendido Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHEILA ATENDIDO CRNA (NPI 1609308139) is an individual nurse anesthetist, certified registered in Crystal Lake, Illinois, licensed in Illinois (209.015787) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, is affiliated with Loyola Gottlieb Memorial Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Sheila Atendido Crna 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
14Medicare enrollment records show Sheila Atendido reassigns Medicare billing to 14 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Huntley, IL 60142
- Reassigned Medicare billing, Illinois enrollment
- 70 clinicians in this Medicare group
Woodstock, IL 60098
- Reassigned Medicare billing, Illinois enrollment
- 87 clinicians in this Medicare group
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 4,817 clinicians in this Medicare group
Waukegan, IL 60085
- Reassigned Medicare billing, Illinois enrollment
- 166 clinicians in this Medicare group
Park Ridge, IL 60068
- Reassigned Medicare billing, Illinois enrollment
- 42 clinicians in this Medicare group
Evanston, IL 60201
- Reassigned Medicare billing, Illinois enrollment
- 4,841 clinicians in this Medicare group
Oak Park, IL 60302
- Reassigned Medicare billing, Illinois enrollment
- 67 clinicians in this Medicare group
Berwyn, IL 60402
- Reassigned Medicare billing, Illinois enrollment
- 86 clinicians in this Medicare group
Berwyn, IL 60402
- Reassigned Medicare billing, Illinois enrollment
- 211 clinicians in this Medicare group
Chicago, IL 60657
- Reassigned Medicare billing, Illinois enrollment
- 16 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 5
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Loyola Gottlieb Memorial Hospital
Acute Care Hospitals · Melrose Park, ILElmhurst Memorial Hospital
Acute Care Hospitals · Elmhurst, ILMercyhealth Hospital & Physician Clinic-Crystal La
Acute Care Hospitals · Crystal Lake, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60014 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 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CRYSTAL LAKE, IL 60014
CRYSTAL LAKE, IL 60014
CRYSTAL LAKE, IL 60014
CRYSTAL LAKE, IL 60014
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 Sheila Atendido's NPI number?
The NPI number for Sheila Atendido is 1609308139. It was assigned to this individual provider in the NPPES registry on April 3, 2017.
Where is Sheila Atendido located?
Sheila Atendido practices at 875 S Route 31, Crystal Lake, IL 60014. The listed phone number is (779) 220-5500.
What is Sheila Atendido's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Sheila Atendido enrolled in Medicare?
Yes. Sheila Atendido 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 Sheila Atendido's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sheila Atendido reassigns Medicare benefits to 14 organizations: Huntley Anesthesia Associates LLC (Huntley, IL), Town Square Anesthesia LLC (Woodstock, IL), Northwestern Medical Faculty Foundation (Carol Stream, IL), Waukegan Clinic Corp (Waukegan, IL), Premiere Anesthesia Group LLC (Park Ridge, IL) and 9 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 Sheila Atendido's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sheila Atendido accept?
Health plans from Oscar Health list Sheila Atendido 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 Sheila Atendido affiliated with any hospitals?
According to CMS data, Sheila Atendido is affiliated with Loyola Gottlieb Memorial Hospital, Elmhurst Memorial Hospital and Mercyhealth Hospital & Physician Clinic-Crystal La.
When was this NPI record last updated?
The NPPES record for Sheila Atendido was last updated on March 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Sheila Atendido, CRNA · NPI 1609308139
Nurse Anesthetist, Certified Registered physician in Crystal Lake, Illinois. Individual provider, active in the CMS NPPES registry since April 3, 2017.
## Identity
- **NPI:** 1609308139 (Entity type: Individual)
- **Enumerated:** April 3, 2017
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 209.015787 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 875 S ROUTE 31, Crystal Lake, IL 60014-8190
- **Phone:** (779) 220-5500
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 14 organizations under Medicare reassignment (form CMS-855R): Huntley Anesthesia Associates LLC (NPI 1205282019, Huntley, IL); Town Square Anesthesia LLC (NPI 1669471017, Woodstock, IL); Northwestern Medical Faculty Foundation (NPI 1346235314, Carol Stream, IL); Waukegan Clinic Corp (NPI 1306937289, Waukegan, IL); Premiere Anesthesia Group LLC (NPI 1720467392, Park Ridge, IL); and 9 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rush Medical College Of Rush University, class of 2016
## Record status
- **NPPES last updated:** March 19, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1609308139) · Data from the CMS NPPES public registry.