IndividualActive
Mary Mason, M.D.
NPI 1174770101 · Family Medicine Physician · Hayward, WI
Mary Mason, M.D. is a Family Medicine Physician provider in Hayward, WI (NPI 1174770101).
Provider details
- NPI number
- 1174770101
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036.088007 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(87/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
13380 W Trepania Rd
Hayward, WI 54843-2186
Phone: (715) 638-5101
Fax: (715) 634-1021
Street-level locationGet directions
Mailing address
13380 W Trepania Rd
Hayward, WI 54843-2186
Registry dates
- Enumerated
- 2008-08-21
- Last updated
- 2013-02-13
Frequently asked questions
- What is Mary Mason's NPI number?
- Mary Mason's National Provider Identifier (NPI) is 1174770101, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Mason's specialty?
- Mary Mason is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Mason located?
- Mary Mason's practice location on file with NPPES is 13380 W Trepania Rd, Hayward, WI 54843-2186.
- What is Mary Mason's phone number?
- The practice phone number listed in the NPPES registry for Mary Mason is (715) 638-5101.
- Is Mary Mason's NPI active?
- Yes — Mary Mason's NPI (1174770101) is active in the NPPES registry as of the last update on 2013-02-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.