ALEC DIAZ CRNA
NPI 1902651698
Nurse Anesthetist, Certified Registered in Buffalo, NY

Active since April 17, 2024Accepts Medicare Assignment
462 GRIDER ST, BUFFALO, NY 14215(716) 898-3000 Get Directions Write a Review

NPPES record last updated: October 16, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Alec Diaz Crna NPPES

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

ALEC DIAZ CRNA (NPI 1902651698) is an individual nurse anesthetist, certified registered in Buffalo, New York, licensed in New York (747501) and active in the NPI registry since April 2024. He is affiliated with Erie County Medical Center and is a graduate of Other (2024).

NPPES Registry Identity

NPI1902651698
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameALEC DIAZCredential: CRNA
Location Address462 GRIDER STBuffalo, NY 14215-3098
Mailing Address26 Fairfield AveTown Of Tonawanda, NY 14223-2814
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateApril 17, 2024
Last NPPES UpdateOctober 16, 2024
NPPES CertifiedOctober 16, 2024
✔ NPI 1902651698 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
License✔ Licensed in NY · 747501
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.
462 GRIDER ST, Buffalo, NY 14215

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

Alec Diaz 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 ID244771749
PECOS Enrollment IDI20240924004117

Medicare Billing Reassignments

4

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

Anesthesiology
462 GRIDER ST, DEPARTMENT OF ANESTHESIA
Buffalo, NY 14215
  • Reassigned Medicare billing, New York enrollment
  • 66 clinicians in this Medicare group
Anesthesiology
462 GRIDER ST
Buffalo, NY 14215
  • Reassigned Medicare billing, New York enrollment
  • 54 clinicians in this Medicare group
Anesthesiology
5959 BIG TREE RD
Orchard Park, NY 14127
  • Reassigned Medicare billing, New York enrollment
  • 30 clinicians in this Medicare group
Anesthesiology
5875 S TRANSIT RD
Lockport, NY 14094
  • Reassigned Medicare billing, New York enrollment
  • 29 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.

Hospital Affiliations CMS Care Compare

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

Erie County Medical Center

Acute Care Hospitals · Buffalo, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number330219
Location462 Grider StreetBuffalo, NY 14215 · Erie County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14215 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
$126.40 typical visit price
range $54.87 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$68.57 typical visit price
range $17.54 – $136.14
Typical copayment $17.14 (range $4.38 – $34.03)
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 (Psychiatric/Mental Health)
462 GRIDER ST
BUFFALO, NY 14215
Student in an Organized Health Care Education/Training Program
462 GRIDER ST
BUFFALO, NY 14215
Pharmacy (Community/Retail Pharmacy)
462 GRIDER ST, DRIVEWAY 3
BUFFALO, NY 14215
Physician Assistant
462 GRIDER ST
BUFFALO, NY 14215
Student in an Organized Health Care Education/Training Program
462 GRIDER ST
BUFFALO, NY 14215
Student in an Organized Health Care Education/Training Program
462 GRIDER ST
BUFFALO, NY 14215
Occupational Therapy Assistant
462 GRIDER ST
BUFFALO, NY 14215
Nurse Practitioner (Adult Health)
462 GRIDER ST
BUFFALO, NY 14215

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 Alec Diaz's NPI number?

The NPI number for Alec Diaz is 1902651698. It was assigned to this individual provider in the NPPES registry on April 17, 2024.

Where is Alec Diaz located?

Alec Diaz practices at 462 Grider St, Buffalo, NY 14215. The listed phone number is (716) 898-3000.

What is Alec Diaz's specialty?

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

Is Alec Diaz enrolled in Medicare?

Yes. Alec Diaz 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 Alec Diaz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alec Diaz reassigns Medicare benefits to 4 organizations: Anesthesiology Medical Consultants, PLLC (Buffalo, NY), Erie County Medical Center Corporation (Buffalo, NY), Southtowns Ambulatory Anesthesia PLLC (Orchard Park, NY) and Eastern Niagara Medical Group PC (Lockport, 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 Alec Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Alec Diaz affiliated with any hospitals?

According to CMS data, Alec Diaz is affiliated with Erie County Medical Center.

When was this NPI record last updated?

The NPPES record for Alec Diaz was last updated on October 16, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.