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

MARK RETZ
NPI 1013275502
Nurse Anesthetist, Certified Registered in Saint Paul, MN

Active since May 02, 2012
435 PHALEN BLVD, SAINT PAUL, MN 55130(651) 254-7400 Get Directions Write a Review

NPPES record last updated: September 16, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Mark Retz NPPES

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

MARK RETZ (NPI 1013275502) is an individual nurse anesthetist, certified registered in Saint Paul, Minnesota, licensed in Minnesota (772) and active in the NPI registry since May 2012. He is a graduate of Other (2012).

NPPES Registry Identity

NPI1013275502
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameMARK RETZ
Location Address435 PHALEN BLVDSaint Paul, MN 55130-5302
Mailing Address8170 33rd Ave S, Mailstop 21110qBloomington, MN 55425-4516 · (952) 883-6000
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateMay 2, 2012
Last NPPES UpdateSeptember 16, 2026
NPPES CertifiedSeptember 16, 2026
✔ NPI 1013275502 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in MN · 772
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.
Also ListedRegistered NurseTaxonomy 163W00000X · License 1830871 (MN)
435 PHALEN BLVD, Saint Paul, MN 55130

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mark Retz 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 ID9739330036
PECOS Enrollment IDI20121114000499

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.

Podiatrist (Foot & Ankle Surgery)
435 PHALEN BLVD
SAINT PAUL, MN 55130
Speech-Language Pathologist
435 PHALEN BLVD
SAINT PAUL, MN 55130
Nurse Anesthetist, Certified Registered
435 PHALEN BLVD
SAINT PAUL, MN 55130
Orthopaedic Surgery
435 PHALEN BLVD
SAINT PAUL, MN 55130
Psychologist
435 PHALEN BLVD
SAINT PAUL, MN 55130
Obstetrics & Gynecology (Urogynecology and Reconstructive Pelvic Surgery)
435 PHALEN BLVD
SAINT PAUL, MN 55130
Nurse Practitioner
435 PHALEN BLVD
SAINT PAUL, MN 55130
Nurse Anesthetist, Certified Registered
435 PHALEN BLVD
SAINT PAUL, MN 55130

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 Mark Retz's NPI number?

The NPI number for Mark Retz is 1013275502. It was assigned to this individual provider in the NPPES registry on May 2, 2012.

Where is Mark Retz located?

Mark Retz practices at 435 Phalen Blvd, Saint Paul, MN 55130. The listed phone number is (651) 254-7400.

What is Mark Retz's specialty?

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

Is Mark Retz enrolled in Medicare?

Yes. Mark Retz 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.

When was this NPI record last updated?

The NPPES record for Mark Retz was last updated on September 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.