Stephen Lo, MD
NPI 1407875206 · Pediatrics Physician · Fitchburg, WI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Lo, MD is a Pediatrics Physician provider in Fitchburg, WI (NPI 1407875206).
Provider details
- NPI number
- 1407875206
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 36986 (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
19 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
- 2006-07-19
- Last updated
- 2017-01-18
Frequently asked questions
- What is Stephen Lo's NPI number?
- Stephen Lo's National Provider Identifier (NPI) is 1407875206, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Lo's specialty?
- Stephen Lo is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Lo located?
- Stephen Lo's practice location on file with NPPES is 3051 Cahill Main, Fitchburg, WI 53711-7109.
- What is Stephen Lo's phone number?
- The practice phone number listed in the NPPES registry for Stephen Lo is (608) 661-7200.
- Does Stephen Lo accept Medicare?
- Stephen Lo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Lo's NPI active?
- Yes — Stephen Lo's NPI (1407875206) is active in the NPPES registry as of the last update on 2017-01-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.