GAIL E BUTTERFIELD MD
NPI 1699728964
Anesthesiology in Milwaukee, WI
About Gail E Butterfield Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GAIL E BUTTERFIELD MD (NPI 1699728964) is an individual anesthesiology provider in Milwaukee, Wisconsin, licensed in Wisconsin (31429020) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 6
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Gail E Butterfield Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Gail Butterfield reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- 3,983 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.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
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 Gail Butterfield's NPI number?
The NPI number for Gail Butterfield is 1699728964. It was assigned to this individual provider in the NPPES registry on May 18, 2006.
Where is Gail Butterfield located?
Gail Butterfield practices at 9200 W Wisconsin Ave Department Of Anesthesiology, Milwaukee, WI 53226. The listed phone number is (414) 805-8700.
What is Gail Butterfield's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Gail Butterfield enrolled in Medicare?
Yes. Gail Butterfield is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Gail Butterfield's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gail Butterfield reassigns Medicare benefits to The Medical College Of Wisconsin, Inc. (Milwaukee, WI). 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 Gail Butterfield'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 Gail Butterfield was last updated on February 3, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Gail E Butterfield, MD · NPI 1699728964
Anesthesiology physician in Milwaukee, Wisconsin. Individual provider, active in the CMS NPPES registry since May 18, 2006.
## Identity
- **NPI:** 1699728964 (Entity type: Individual)
- **Enumerated:** May 18, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 31429020 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 9200 W WISCONSIN AVE, DEPARTMENT OF ANESTHESIOLOGY, Milwaukee, WI 53226-3522
- **Phone:** (414) 805-8700 · **Fax:** (414) 259-1522
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** The Medical College Of Wisconsin, Inc. (NPI 1699720086, Milwaukee, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 3, 2014
- **Other identifiers:** Medicare PIN 736011637 (WI); Medicare UPIN E37624 (WI); Medicaid 1699728964 (WI); and 3 more
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Source: [NPI Profile](https://npiprofile.com/npi/1699728964) · Data from the CMS NPPES public registry.