Erin Buchanan, MD
NPI 1649774506 · Surgery Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Vascular Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erin Buchanan, MD is a Surgery Physician provider in Milwaukee, WI (NPI 1649774506).
Provider details
- NPI number
- 1649774506
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 7300220 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
8 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,897 across 21 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 8701 W Watertown Plank RdMilwaukee, WI 53226-3548Phone: (414) 955-4575
Registry dates
- Enumerated
- 2018-03-23
- Last updated
- 2025-09-29
- Certified
- 2025-09-29
Frequently asked questions
- What is Erin Buchanan's NPI number?
- Erin Buchanan's National Provider Identifier (NPI) is 1649774506, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erin Buchanan's specialty?
- Erin Buchanan is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Erin Buchanan located?
- Erin Buchanan's practice location on file with NPPES is 9200 W Wisconsin Ave, Milwaukee, WI 53226-3522.
- What is Erin Buchanan's phone number?
- The practice phone number listed in the NPPES registry for Erin Buchanan is (414) 955-1800.
- Does Erin Buchanan accept Medicare?
- Erin Buchanan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erin Buchanan's NPI active?
- Yes — Erin Buchanan's NPI (1649774506) is active in the NPPES registry as of the last update on 2025-09-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.