MICHAEL PIERSON MD
NPI 1295723948
Anesthesiology in Green Bay, WI

Active since October 07, 2005PECOS EnrolledAccepts Medicare Assignment
2845 GREENBRIER RD, GREEN BAY, WI 54311(877) 229-0273(920) 288-4863 Get Directions Write a Review

NPPES record last updated: July 27, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 27, 2023, Dec 1, 2021, May 22, 2017 (3 updates tracked since 2017).

About Michael Pierson Md NPPES

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

MICHAEL PIERSON MD (NPI 1295723948) is an individual anesthesiology provider in Green Bay, Wisconsin, licensed in Wisconsin (34550-020) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Aurora Medical Ctr Oshkosh, and is a graduate of Other (1992).

NPPES Registry Identity

NPI1295723948
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameMICHAEL PIERSONCredential: MD
Location Address2845 GREENBRIER RDGreen Bay, WI 54311-6519
Mailing Address1035 Kepler DrGreen Bay, WI 54311-8320 · (920) 490-9046
Fax(920) 288-4863
Sole ProprietorNo
Medical School CMSOtherGraduated 1992
Enumeration DateOctober 7, 2005
Last NPPES UpdateJuly 27, 20233 updates tracked since enumeration
NPPES CertifiedJuly 27, 2023
✔ NPI 1295723948 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in WI · 34550-020
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.
2845 GREENBRIER RD, Green Bay, WI 54311

Other Identifiers 2

Medicaid1295723948WI
Medicaid000745170WI

Accepted Insurance

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

Michael Pierson Md 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 ID7517994791
PECOS Enrollment IDI20100527000563, I20260211002316
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

4

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

Same address
Emergency Medicine
2845 GREENBRIER RD
Green Bay, WI 54311
  • Reassigned Medicare billing, Wisconsin enrollment
  • 275 clinicians in this Medicare group
Anesthesiology
130 2ND ST, STE. A107
Neenah, WI 54956
  • Reassigned Medicare billing, Wisconsin enrollment
  • 144 clinicians in this Medicare group
Clinic/Center
2414 KOHLER MEMORIAL DR
Sheboygan, WI 53081
  • Reassigned Medicare billing, Wisconsin enrollment
  • 4,609 clinicians in this Medicare group
Anesthesiology
1053 MEDICAL CENTER DR
Orange City, FL 32763
  • Reassigned Medicare billing, Florida enrollment
  • 530 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.

Aurora Medical Ctr Oshkosh

Acute Care Hospitals · Oshkosh, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520198
Location855 N Westhaven DriveOshkosh, WI 54904 · Winnebago County
Emergency services Birthing friendly

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 (Hematology & Oncology)
2845 GREENBRIER RD
GREEN BAY, WI 54311
Genetic Counselor, MS
2845 GREENBRIER RD
GREEN BAY, WI 54311
Neurological Surgery
2845 GREENBRIER RD
GREEN BAY, WI 54311
Physical Therapist
2845 GREENBRIER RD
GREEN BAY, WI 54311
Emergency Medicine
2845 GREENBRIER RD
GREEN BAY, WI 54311
Hospitalist
2845 GREENBRIER RD
GREEN BAY, WI 54311
Emergency Medicine
2845 GREENBRIER RD
GREEN BAY, WI 54311
Nurse Anesthetist, Certified Registered
2845 GREENBRIER RD
GREEN BAY, WI 54311

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 Michael Pierson's NPI number?

The NPI number for Michael Pierson is 1295723948. It was assigned to this individual provider in the NPPES registry on October 7, 2005.

Where is Michael Pierson located?

Michael Pierson practices at 2845 Greenbrier Rd, Green Bay, WI 54311. The listed phone number is (877) 229-0273.

What is Michael Pierson's specialty?

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

Is Michael Pierson enrolled in Medicare?

Yes. Michael Pierson 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 Michael Pierson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Pierson reassigns Medicare benefits to 4 organizations: Baycare Clinic LLP (Green Bay, WI), Association Of Hospital Anesthesiologists Sc (Neenah, WI), Aurora Medical Group, Inc. (Sheboygan, WI) and Anesthesiologists Of Greater Orlando Inc (Orange City, FL). 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 Michael Pierson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michael Pierson accept?

Health plans from CareSource (Common Ground Healthcare) list Michael Pierson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Michael Pierson affiliated with any hospitals?

According to CMS data, Michael Pierson is affiliated with Aurora Medical Ctr Oshkosh.

When was this NPI record last updated?

The NPPES record for Michael Pierson was last updated on July 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.