SPENCER JAMES O'REILLY CRNA
NPI 1699632182
Nurse Anesthetist, Certified Registered in Rochester, MN

Active since January 06, 2026PECOS EnrolledAccepts Medicare Assignment
200 1ST ST SW, ROCHESTER, MN 55905(507) 284-2511 Get Directions Write a Review

NPPES record last updated: March 30, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 30, 2026, Mar 23, 2026, Jan 6, 2026 (3 updates tracked since 2026).

About Spencer James O'reilly Crna NPPES

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

SPENCER JAMES O'REILLY CRNA (NPI 1699632182) is an individual nurse anesthetist, certified registered in Rochester, Minnesota, licensed in Minnesota (3325) and active in the NPI registry since January 2026. He is enrolled in Medicare PECOS, is affiliated with Northfield Hospital, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1699632182
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameSPENCER JAMES O'REILLYCredential: CRNA
Location Address200 1ST ST SWRochester, MN 55905-0001
Mailing AddressPo Box 860912Minneapolis, MN 55486-0912 · (507) 284-2511 · Fax (507) 284-0702
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateJanuary 6, 2026
Last NPPES UpdateMarch 30, 20263 updates tracked since enumeration
NPPES CertifiedMarch 30, 2026
✔ NPI 1699632182 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 MN · 3325
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.
200 1ST ST SW, Rochester, MN 55905

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

Spencer James O'reilly 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 ID2567937378
PECOS Enrollment IDI20260409001486
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

2

Medicare enrollment records show Spencer O'reilly reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Infectious Disease
200 1ST ST SW
Rochester, MN 55905
  • Reassigned Medicare billing, Minnesota enrollment
  • 6,534 clinicians in this Medicare group
Primary Care
225 HUSETH ST
Kenyon, MN 55946
  • Reassigned Medicare billing, Minnesota enrollment
  • 249 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.

Northfield Hospital

Acute Care Hospitals · Northfield, MN
3/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number240014
Location2000 North AvenueNorthfield, MN 55057 · Rice County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55905 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
$127.61 typical visit price
range $56.00 – $168.28
Typical copayment $31.90 (range $14.00 – $42.07)
Most-billed visit code 99204
Established Patient
$69.74 typical visit price
range $18.32 – $138.04
Typical copayment $17.43 (range $4.58 – $34.51)
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.

Internal Medicine
200 1ST ST SW
ROCHESTER, MN 55905
Pathology (Clinical Pathology/Laboratory Medicine)
200 1ST ST SW
ROCHESTER, MN 55905
Nurse Practitioner
200 1ST ST SW
ROCHESTER, MN 55905
Nurse Practitioner
200 1ST ST SW
ROCHESTER, MN 55905
Optometrist
200 1ST ST SW
ROCHESTER, MN 55905
Psychologist
200 1ST ST SW
ROCHESTER, MN 55905
Nurse Anesthetist, Certified Registered
200 1ST ST SW
ROCHESTER, MN 55905
Internal Medicine (Endocrinology, Diabetes & Metabolism)
200 1ST ST SW
ROCHESTER, MN 55905

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 Spencer O'reilly's NPI number?

The NPI number for Spencer O'reilly is 1699632182. It was assigned to this individual provider in the NPPES registry on January 6, 2026.

Where is Spencer O'reilly located?

Spencer O'reilly practices at 200 1st St SW, Rochester, MN 55905. The listed phone number is (507) 284-2511.

What is Spencer O'reilly's specialty?

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

Is Spencer O'reilly enrolled in Medicare?

Yes. Spencer O'reilly 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 Spencer O'reilly's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Spencer O'reilly reassigns Medicare benefits to 2 organizations: Mayo Clinic (Rochester, MN) and Northfield Hospital (Kenyon, MN). 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 Spencer O'reilly's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Spencer O'reilly affiliated with any hospitals?

According to CMS data, Spencer O'reilly is affiliated with Northfield Hospital.

When was this NPI record last updated?

The NPPES record for Spencer O'reilly was last updated on March 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.