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MILLENIUM ANESTHESIOLOGISTS, LTD.
NPI 1215003082
Anesthesiology in Green Bay, WI

Active since November 25, 2006
1726 SHAWANO AVE, GREEN BAY, WI 54303(920) 498-4200 Get Directions Write a Review

NPPES record last updated: December 18, 2014. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Millenium Anesthesiologists, Ltd. NPPES

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

MILLENIUM ANESTHESIOLOGISTS, LTD. (NPI 1215003082) is a healthcare organization registered as an anesthesiology in Green Bay, Wisconsin and active in the NPI registry since November 2006. The organization lists Charles R Heron, President, as its authorized official.

NPPES Registry Identity

NPI1215003082
Entity TypeOrganization
Primary Taxonomy207L00000X
Legal Business NameMILLENIUM ANESTHESIOLOGISTS, LTD.
Location Address1726 SHAWANO AVEGreen Bay, WI 54303-3216
Mailing Address225 S Executive DrBrookfield, WI 53005-4266 · (262) 787-4026
Phone(920) 498-4200
Organization SubpartNo
Authorized OfficialCharles R HeronPresident · (920) 498-4200
Enumeration DateNovember 25, 2006
Last NPPES UpdateDecember 18, 2014
✔ NPI 1215003082 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
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 ListedAnesthesiology · Pain MedicineTaxonomy 207LP2900X
Also ListedPain Medicine · Interventional Pain MedicineTaxonomy 208VP0014X
1726 SHAWANO AVE, Green Bay, WI 54303
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Other Identifiers 2

Medicare ID-Type Unspecified07855WI · Provider Number
Medicaid21302500WI

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource (Common Ground Healthcare).Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Millenium Anesthesiologists, Ltd. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Millenium Anesthesiologists, Ltd., which bills Medicare for the services this clinician delivers.

Clinician (1)

Thomas Farley, M.D.
Anesthesiology
NPI 1356324990
1726 SHAWANO AVE
Green Bay, WI 54303
(920) 498-4200
✔ PECOS✔ Accepts Medicare0.1 mi

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

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 Millenium Anesthesiologists, Ltd.'s NPI number?

The NPI number for Millenium Anesthesiologists, Ltd. is 1215003082. It was assigned to this organization in the NPPES registry on November 25, 2006.

Where is Millenium Anesthesiologists, Ltd. located?

Millenium Anesthesiologists, Ltd. is located at 1726 Shawano Ave, Green Bay, WI 54303. The listed phone number is (920) 498-4200.

What is Millenium Anesthesiologists, Ltd.'s specialty?

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

Is Millenium Anesthesiologists, Ltd. enrolled in Medicare?

Yes. Millenium Anesthesiologists, Ltd. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Millenium Anesthesiologists, Ltd.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Anesthesiology) reassigns their Medicare billing to Millenium Anesthesiologists, Ltd.. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Millenium Anesthesiologists, Ltd. accept?

Health plans from CareSource (Common Ground Healthcare) list Millenium Anesthesiologists, Ltd. 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.

When was this NPI record last updated?

The NPPES record for Millenium Anesthesiologists, Ltd. was last updated on December 18, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.