ERIN BUCHANAN MD
NPI 1649774506
Surgery in Milwaukee, WI

Active since March 23, 2018PECOS EnrolledAccepts Medicare Assignment
9200 W WISCONSIN AVE, MILWAUKEE, WI 53226(414) 955-1800(414) 955-0065 Get Directions Write a Review

NPPES record last updated: September 29, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 18, 2023, Mar 23, 2018 (2 updates tracked since 2018).

About Erin Buchanan Md NPPES

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

ERIN BUCHANAN MD (NPI 1649774506) is an individual surgery provider in Milwaukee, Wisconsin, licensed in Wisconsin (7300220) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS, is affiliated with Community Memorial Hospital, and maintains a secondary practice location in Milwaukee.

NPPES Registry Identity

NPI1649774506
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameERIN BUCHANANCredential: MD
Location Address9200 W WISCONSIN AVEMilwaukee, WI 53226-3522
Mailing Address9200 W Wisconsin AveMilwaukee, WI 53226-3522 · (414) 955-1800 · Fax (414) 955-0065
Fax(414) 955-0065
Sole ProprietorNo
Medical School CMSNew York Medical CollegeGraduated 2018
Enumeration DateMarch 23, 2018
Last NPPES UpdateSeptember 29, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 29, 2025
✔ NPI 1649774506 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in WI · 7300220
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
9200 W WISCONSIN AVE, Milwaukee, WI 53226

Secondary Practice Location 1

Location 18701 W Watertown Plank RdMilwaukee, WI 53226-3548 · Phone (414) 955-4575

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

Erin Buchanan 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 ID2668802927
PECOS Enrollment IDI20251008000305
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 Erin Buchanan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
8701 WATERTOWN PLANK RD
Milwaukee, WI 53226
  • Reassigned Medicare billing, Wisconsin enrollment
  • 3,983 clinicians in this Medicare group
Internal Medicine
W180N8000 TOWN HALL RD
Menomonee Falls, WI 53051
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,294 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 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Community Memorial Hospital

Acute Care Hospitals · Menomonee Falls, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520103
LocationW180 N8085 Town Hall RdMenomonee Falls, WI 53051 · Waukesha County
Emergency services

Froedtert Memorial Lutheran Hospital

Acute Care Hospitals · Milwaukee, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520177
Location9200 W Wisconsin AveMilwaukee, WI 53226 · Milwaukee County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53226 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
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
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.

Advanced Practice Midwife
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Internal Medicine (Gastroenterology)
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Emergency Medicine
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Nurse Practitioner (Pediatrics)
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Nurse Practitioner (Adult Health)
9200 W WISCONSIN AVE, DEPT OF INTERNAL MEDICINE
MILWAUKEE, WI 53226
Nurse Practitioner (Adult Health)
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Nurse Anesthetist, Certified Registered
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Physician Assistant (Medical)
9200 W WISCONSIN AVE, INTERNAL MEDICINE
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 Erin Buchanan's NPI number?

The NPI number for Erin Buchanan is 1649774506. It was assigned to this individual provider in the NPPES registry on March 23, 2018.

Where is Erin Buchanan located?

Erin Buchanan practices at 9200 W Wisconsin Ave, Milwaukee, WI 53226. The listed phone number is (414) 955-1800.

What is Erin Buchanan's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Erin Buchanan enrolled in Medicare?

Yes. Erin Buchanan 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 Erin Buchanan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Erin Buchanan reassigns Medicare benefits to 2 organizations: The Medical College Of Wisconsin, Inc. (Milwaukee, WI) and Froedtert & the Medical College Of Wisconsin Community Physicians, Inc. (Menomonee Falls, WI). 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 Erin Buchanan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Erin Buchanan accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Network Health list Erin Buchanan 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 Erin Buchanan affiliated with any hospitals?

According to CMS data, Erin Buchanan is affiliated with Community Memorial Hospital and Froedtert Memorial Lutheran Hospital.

When was this NPI record last updated?

The NPPES record for Erin Buchanan was last updated on September 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.