Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. TOLANI IYIOLA AIYEKU CRNA
NPI 1013373752
Nurse Anesthetist, Certified Registered in New Haven, CT

Active since January 11, 2016Accepts Medicare Assignment
20 YORK ST, NEW HAVEN, CT 06510(203) 688-4242 Get Directions Write a Review

NPPES record last updated: October 14, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 14, 2026, Sep 27, 2024, Mar 8, 2019 and 1 more (4 updates tracked since 2016).

About Dr. Tolani Iyiola Aiyeku Crna NPPES

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

DR. TOLANI IYIOLA AIYEKU CRNA (NPI 1013373752) is an individual nurse anesthetist, certified registered in New Haven, Connecticut, licensed in New York (619863) and active in the NPI registry since January 2016. He is affiliated with Lenox Hill Hospital, maintains a secondary practice location in Flushing, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1013373752
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameDR. TOLANI IYIOLA AIYEKUCredential: CRNA
Location Address20 YORK STNew Haven, CT 06510-3220
Mailing Address575 Lexington AveNew York, NY 10022-6102 · (347) 495-6628
Sole ProprietorYes
Medical School CMSOtherGraduated 2015
Enumeration DateJanuary 11, 2016
Last NPPES UpdateOctober 14, 20264 updates tracked since enumeration
NPPES CertifiedOctober 14, 2026
✔ NPI 1013373752 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 NY · 619863✔ Licensed in MD · R219804✔ Licensed in NY · 702305✔ Licensed in CT · 18406
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.
20 YORK ST, New Haven, CT 06510

Secondary Practice Location 1

Location 15645 Main StFlushing, NY 11355-5045 · Phone (347) 495-6628

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. Tolani Iyiola Aiyeku 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 ID3375849383
PECOS Enrollment IDI20221006000489

Medicare Billing Reassignments

4

Medicare enrollment records show Tolani Aiyeku reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesiology
480 BEDFORD RD BLDG B
Chappaqua, NY 10514
  • Reassigned Medicare billing, New York enrollment
  • 1,406 clinicians in this Medicare group
Anesthesiology
2201 HEMPSTEAD TPKE DEPT OF
East Meadow, NY 11554
  • Reassigned Medicare billing, New York enrollment
  • 141 clinicians in this Medicare group
Anesthesiology
1 GUSTAVE L LEVY PL # 4500
New York, NY 10029
  • Reassigned Medicare billing, New York enrollment
  • 245 clinicians in this Medicare group
Nurse Anesthetist, Certified Registered
525 E 68TH ST
New York, NY 10065
  • Reassigned Medicare billing, New York enrollment
  • 384 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.

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.
11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Lenox Hill Hospital

Acute Care Hospitals · New York, NY
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330119
Location100 East 77th StreetNew York, NY 10021 · New York County
Emergency services Birthing friendly

Mount Sinai South Nassau

Acute Care Hospitals · Oceanside, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330198
LocationOne Healthy WayOceanside, NY 11572 · Nassau County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06510 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
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$75.55 typical visit price
range $19.76 – $149.26
Typical copayment $18.88 (range $4.94 – $37.31)
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 20

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

Nurse Practitioner (Family)
20 YORK ST
NEW HAVEN, CT 06510
Pediatrics (Neonatal-Perinatal Medicine)
20 YORK ST, DEPT OF NEONATOLOGY
NEW HAVEN, CT 06510
Durable Medical Equipment & Medical Supplies (Customized Equipment)
20 YORK ST
NEW HAVEN, CT 06510
Dietitian, Registered
20 YORK ST, FOOD AND NUTRITION EPB806
NEW HAVEN, CT 06510
Hospitalist
20 YORK ST
NEW HAVEN, CT 06510
Internal Medicine (Nephrology)
20 YORK ST
NEW HAVEN, CT 06510
Obstetrics & Gynecology
20 YORK ST
NEW HAVEN, CT 06510
Social Worker (Clinical)
20 YORK ST, SOCIAL WORK EP10-635
NEW HAVEN, CT 06510

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 Tolani Aiyeku's NPI number?

The NPI number for Tolani Aiyeku is 1013373752. It was assigned to this individual provider in the NPPES registry on January 11, 2016.

Where is Tolani Aiyeku located?

Tolani Aiyeku practices at 20 York St, New Haven, CT 06510. The listed phone number is (203) 688-4242.

What is Tolani Aiyeku's specialty?

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

Is Tolani Aiyeku enrolled in Medicare?

Yes. Tolani Aiyeku 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 Tolani Aiyeku's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tolani Aiyeku reassigns Medicare benefits to 4 organizations: North Shore - Lij Anesthesiology, PC (Chappaqua, NY), Upstate Anesthesia Services, P.C. (East Meadow, NY), Icahn School Of Medicine At Mount Sinai (New York, NY) and Weill Medical College Of Cornell (New York, NY). 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 Tolani Aiyeku's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Tolani Aiyeku affiliated with any hospitals?

According to CMS data, Tolani Aiyeku is affiliated with Lenox Hill Hospital and Mount Sinai South Nassau.

When was this NPI record last updated?

The NPPES record for Tolani Aiyeku was last updated on October 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days 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.