Mark Hallett, MD
NPI 1629098504 · Sports Medicine (Family Medicine) Physician · Appleton, WI
Mark Hallett, MD is a Sports Medicine (Family Medicine) Physician provider in Appleton, WI (NPI 1629098504).
Provider details
- NPI number
- 1629098504
- Entity type
- Individual
- Primary specialty
- Sports Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 34228 (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
- 2006-07-20
- Last updated
- 2011-02-02
Frequently asked questions
- What is Mark Hallett's NPI number?
- Mark Hallett's National Provider Identifier (NPI) is 1629098504, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Hallett's specialty?
- Mark Hallett is listed in the NPPES registry with a primary specialty of Sports Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Hallett located?
- Mark Hallett's practice location on file with NPPES is 820 E Grant St, Appleton, WI 54911-3483.
- What is Mark Hallett's phone number?
- The practice phone number listed in the NPPES registry for Mark Hallett is (920) 831-5050.
- Is Mark Hallett's NPI active?
- Yes — Mark Hallett's NPI (1629098504) is active in the NPPES registry as of the last update on 2011-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.