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JACOB SLIZEWSKI MD
NPI 1801538335
Anesthesiology in Phoenix, AZ

Active since April 13, 2022PECOS Enrolled
500 W THOMAS RD, PHOENIX, AZ 85013(602) 406-2323 Get Directions Write a Review

NPPES record last updated: July 17, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 17, 2026, Apr 13, 2022 (2 updates tracked since 2022).

About Jacob Slizewski Md NPPES

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

JACOB SLIZEWSKI MD (NPI 1801538335) is an individual anesthesiology provider in Phoenix, Arizona, licensed in Arizona (78872) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS and is a graduate of Creighton University School Of Medicine (2022).

NPPES Registry Identity

NPI1801538335
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameJACOB SLIZEWSKICredential: MD
Location Address500 W THOMAS RDPhoenix, AZ 85013-4224
Mailing Address500 W Thomas RdPhoenix, AZ 85013-4224 · (602) 406-2323
Phone(602) 406-2323
Sole ProprietorNo
Medical School CMSCreighton University School Of MedicineGraduated 2022
Enumeration DateApril 13, 2022
Last NPPES UpdateJuly 17, 20262 updates tracked since enumeration
NPPES CertifiedJuly 17, 2026
✔ NPI 1801538335 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in AZ · 78872
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
500 W THOMAS RD, Phoenix, AZ 85013
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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 (PECOS)

Jacob Slizewski Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID42775587
PECOS Enrollment IDI20260724001963
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 Reassignment

Medicare enrollment records show Jacob Slizewski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Valley Anesthesiology Consultants, Inc.
14 mi
Anesthesiology
2262 E ROSE GARDEN LN
Phoenix, AZ 85024
  • Reassigned Medicare billing, Arizona enrollment
  • 518 clinicians in this Medicare group
NPI 1285660704 (954) 939-5000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

MOUSTAFA I HAZIN D.O.
Internal Medicine
500 W THOMAS RD, SUITE 900
PHOENIX, AZ 85013
Maricopa County (602) 406-5590
PERINATAL CARE ASSOCIATES, PC
Obstetrics & Gynecology (Maternal & Fetal Medicine)
500 W THOMAS RD, SUITE 870
PHOENIX, AZ 85013
Maricopa County (602) 263-0222
ALISON DANIELLE KIRK M.D.
Pediatrics
500 W THOMAS RD, SUITE 870
PHOENIX, AZ 85013
Maricopa County (623) 583-3001
MS. LEONORA RENDA R.D.N.
Dietitian, Registered
500 W THOMAS RD, SUITE 650
PHOENIX, AZ 85013
Maricopa County (602) 406-4658
SARA BRENZA FNP-BC
Nurse Practitioner (Family)
500 W THOMAS RD, STE 300
PHOENIX, AZ 85013
Maricopa County (602) 406-8000
DARLENE MARIE SALAS A.N.P.
Nurse Practitioner (Adult Health)
500 W THOMAS RD, SUITE 900
PHOENIX, AZ 85013
Maricopa County (602) 406-3540
MARGARET L YANCY NP
Nurse Practitioner (Adult Health)
500 W THOMAS RD, SUITE 730
PHOENIX, AZ 85013
Maricopa County (602) 406-4628
MARLA ANNE VOGT-ROBERTS CNM
Advanced Practice Midwife
500 W THOMAS RD, STE 720 AND STE 730
PHOENIX, AZ 85013
Maricopa County (602) 406-3715

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 Jacob Slizewski's NPI number?

The NPI number for Jacob Slizewski is 1801538335. It was assigned to this individual provider in the NPPES registry on April 13, 2022.

Where is Jacob Slizewski located?

Jacob Slizewski practices at 500 W Thomas Rd, Phoenix, AZ 85013. The listed phone number is (602) 406-2323.

What is Jacob Slizewski's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Jacob Slizewski enrolled in Medicare?

Yes. Jacob Slizewski is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jacob Slizewski's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jacob Slizewski reassigns Medicare benefits to Valley Anesthesiology Consultants, Inc. (Phoenix, AZ). The 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 Jacob Slizewski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Jacob Slizewski was last updated on July 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.