MRS. MARIA CRISTINA ABAY CRNA
NPI 1114013075
Nurse Anesthetist, Certified Registered in Huntley, IL

Q: What is Maria Abay's NPI number?

The NPI number for Maria Abay is 1114013075. It was assigned to this individual provider in the NPPES registry on October 5, 2006.

Q: What is Maria Abay's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Q: When was this NPI record last updated?

The NPPES record for Maria Abay was last updated on February 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.

Active since October 05, 2006PECOS EnrolledAccepts Medicare Assignment

10400 HALIGUS RD FL 2, HUNTLEY, IL 60142(224) 654-0000(224) 654-0000 Get Directions Write a Review

NPPES record last updated: February 3, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Feb 3, 2025, May 17, 2023 (2 updates tracked since 2023).

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About Mrs. Maria Cristina Abay Crna NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. MARIA CRISTINA ABAY CRNA (NPI 1114013075) is an individual nurse anesthetist, certified registered in Huntley, Illinois, licensed in Illinois (209009989) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Mchenry, and is a graduate of Other (2005).

NPPES Registry Identity

NPI1114013075

Entity TypeIndividualFemale

Primary Taxonomy367500000X

Provider Legal NameMRS. MARIA CRISTINA ABAYCredential: CRNA

Location Address10400 HALIGUS RD FL 2Huntley, IL 60142-9553

Mailing Address10400 Haligus Rd Fl 2Huntley, IL 60142-9553 · (224) 654-0000 · Fax (224) 654-0000

Phone(224) 654-0000

Fax(224) 654-0000

Sole ProprietorNo

Medical School CMSOtherGraduated 2005

Enumeration DateOctober 5, 2006

Last NPPES UpdateFebruary 3, 20252 updates tracked since enumeration

NPPES CertifiedFebruary 3, 2025

✔ NPI 1114013075 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code367500000X

Licenses✔ Licensed in IL · 209009989✔ Licensed in MI · 4704190138

Definition

(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.

10400 HALIGUS RD FL 2, Huntley, IL 60142

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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

Mrs. Maria Cristina Abay 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.

PECOS PAC ID1759472046

PECOS Enrollment IDI20130521000215

Eligible to Order & Refer✔ Part B Labs & Imaging– Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Maria Abay reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Northwestern Medical Faculty Foundation

12 mi

Multi-Specialty

DEPT 5777
Carol Stream, IL 60122

Reassigned Medicare billing, Illinois enrollment
4,817 clinicians in this Medicare group

NPI 1346235314 (855) 694-2866

American Anesthesiology Associates Of Illinois, S.C.

53 mi

Anesthesiology

19627 S LA GRANGE RD
Mokena, IL 60448

Reassigned Medicare billing, Illinois enrollment
208 clinicians in this Medicare group

NPI 1962512335 (800) 243-3839

North American Partners In Anesthesia (illinois), LLC

176 mi

Anesthesiology

800 E CARPENTER ST
Springfield, IL 62769

Reassigned Medicare billing, Illinois enrollment
826 clinicians in this Medicare group

NPI 1699032524 (630) 990-9729

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.

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731

This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.

15 services15 patients

Anesthesia for procedure to assess heart electrical activity 00537

Anesthesia for a procedure to assess heart electrical activity helps ensure comfort and relaxation. It involves administering medication that either numbs a specific area or makes you sleep temporarily. This allows doctors to safely examine your heart's electrical signals without causing discomfort.

13 services12 patients

Anesthesia for other procedure on large bowel using an endoscope 00811

Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.

13 services13 patients

Anesthesia for total hip replacement 01214

Anesthesia for total hip replacement is a medical service where medication is given to eliminate pain during surgery. Two types are commonly used: general anesthesia, making you unconscious, or spinal anesthesia, numbing the lower body. The choice depends on your health and your doctor's recommendation.

12 services12 patients

Anesthesia for procedure for total knee joint replacement 01402

Anesthesia for a total knee joint replacement numbs your body to eliminate pain during surgery. This could be general anesthesia where you're unconscious, or regional anesthesia where only the leg is numb. It's administered by a specialist, ensuring safety and comfort.

11 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northwestern Medicine Mchenry

Acute Care Hospitals · Mchenry, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140116

Location4201 Medical Center DriveMchenry, IL 60050 · Mc Henry County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60142 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$127.46 typical visit price

range $54.80 – $168.44

Typical copayment $31.86 (range $13.70 – $42.11)

Most-billed visit code 99204

Established Patient

$68.64 typical visit price

range $17.16 – $136.56

Typical copayment $17.16 (range $4.29 – $34.14)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ALADIN BIHORAC CRNA

Nurse Anesthetist, Certified Registered