Neil Mcmahon, MD
NPI 1124055926 · Surgery Physician · Waterloo, IA
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Neil Mcmahon, MD is a Surgery Physician provider in Waterloo, IA (NPI 1124055926).
Provider details
- NPI number
- 1124055926
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 29818 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-27
- Last updated
- 2007-07-16
Frequently asked questions
- What is Neil Mcmahon's NPI number?
- Neil Mcmahon's National Provider Identifier (NPI) is 1124055926, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Neil Mcmahon's specialty?
- Neil Mcmahon is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Neil Mcmahon located?
- Neil Mcmahon's practice location on file with NPPES is 2710 Saint Francis Dr, Waterloo, IA 50702-5619.
- What is Neil Mcmahon's phone number?
- The practice phone number listed in the NPPES registry for Neil Mcmahon is (319) 272-5000.
- Does Neil Mcmahon accept Medicare?
- Neil Mcmahon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Neil Mcmahon's NPI active?
- Yes — Neil Mcmahon's NPI (1124055926) is active in the NPPES registry as of the last update on 2007-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.