IndividualActive
Martha Jay, M.D.
NPI 1003810458 · Ophthalmology Physician · Mequon, WI
Martha Jay, M.D. is a Ophthalmology Physician provider in Mequon, WI (NPI 1003810458).
Provider details
- NPI number
- 1003810458
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 32996-020 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
21 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
11307 N Port Washington Rd
Mequon, WI 53092-3411
Phone: (262) 241-1919
Fax: (262) 241-9046
Street-level locationGet directions
Mailing address
11307 N Port Washington Rd
Mequon, WI 53092-3411
Registry dates
- Enumerated
- 2005-06-13
- Last updated
- 2018-01-29
Frequently asked questions
- What is Martha Jay's NPI number?
- Martha Jay's National Provider Identifier (NPI) is 1003810458, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martha Jay's specialty?
- Martha Jay is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Martha Jay located?
- Martha Jay's practice location on file with NPPES is 11307 N Port Washington Rd, Mequon, WI 53092-3411.
- What is Martha Jay's phone number?
- The practice phone number listed in the NPPES registry for Martha Jay is (262) 241-1919.
- Is Martha Jay's NPI active?
- Yes — Martha Jay's NPI (1003810458) is active in the NPPES registry as of the last update on 2018-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.