Robert Lyon, MD
NPI 1306899034 · Family Medicine Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Lyon, MD is a Family Medicine Physician provider in Milwaukee, WI (NPI 1306899034).
Provider details
- NPI number
- 1306899034
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 40613 (WI)
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
- 2006-05-17
- Last updated
- 2013-02-07
Frequently asked questions
- What is Robert Lyon's NPI number?
- Robert Lyon's National Provider Identifier (NPI) is 1306899034, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Lyon's specialty?
- Robert Lyon is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Lyon located?
- Robert Lyon's practice location on file with NPPES is 1121 E North Ave, Milwaukee, WI 53212-3515.
- What is Robert Lyon's phone number?
- The practice phone number listed in the NPPES registry for Robert Lyon is (414) 267-6500.
- Does Robert Lyon accept Medicare?
- Robert Lyon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Lyon's NPI active?
- Yes — Robert Lyon's NPI (1306899034) is active in the NPPES registry as of the last update on 2013-02-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.