Marilyn Kay, MD
NPI 1477505212 · Ophthalmology Physician · Madison, WI
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marilyn Kay, MD is a Ophthalmology Physician provider in Madison, WI (NPI 1477505212).
Provider details
- NPI number
- 1477505212
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 20411 (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
- 2021-07-14
- Certified
- 2021-07-14
Frequently asked questions
- What is Marilyn Kay's NPI number?
- Marilyn Kay's National Provider Identifier (NPI) is 1477505212, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marilyn Kay's specialty?
- Marilyn Kay is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Marilyn Kay located?
- Marilyn Kay's practice location on file with NPPES is 727 Lorillard Ct, Madison, WI 53703-3808.
- What is Marilyn Kay's phone number?
- The practice phone number listed in the NPPES registry for Marilyn Kay is (414) 573-0987.
- Does Marilyn Kay accept Medicare?
- Marilyn Kay is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marilyn Kay's NPI active?
- Yes — Marilyn Kay's NPI (1477505212) is active in the NPPES registry as of the last update on 2021-07-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.