Martha F. Jay, M.D.
Ophthalmology Physician · Mequon, WI
Martha F. Jay, M.D. is an ophthalmology physician with a practice address in Mequon, Wisconsin, and NPI 1003810458, issued on Jun 13, 2005. Check the license (Wisconsin 32996-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Martha F. Jay
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 32996-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 11307 N Port Washington RD, Mequon, WI 53092
- Phone
- (262) 241-1919
- Enumerated
- Jun 13, 2005
- Record last updated
- Jan 29, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (262) 241-9046
- Medicaid ID
- 31810400 WI
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 441 in Wisconsin → Look up another NPI →
Also registered at 11307 N Port Washington RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mark German, O.D.Optometrist1912902388
Verify Martha F. Jay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 32996-020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average ophthalmology physician in 2024
22 Medicare Part D claims, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Martha F. Jay among 441 ophthalmology physician records in Wisconsin
Martha F. Jay, M.D. is one of 441 ophthalmology physician records with a practice address in Wisconsin. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2018 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Wisconsin
There are 441 ophthalmology physician records in Wisconsin.
All 441 in Wisconsin → Every provider in Mequon → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Lisa Bennett, MDMequon, WI 530921619354743
- John Ridley, MDMequon, WI 530921609023357
- Nausheen Abbas, M.D.West Bend, WI 530951356665236
- Earl Nepple, MDWest Bend, WI 530951942286190
- Paul Rice, MDWest Bend, WI 530951629218425
- George Boush, M.D.Watertown, WI 530981053314070
- Edward Hoy, MDWatertown, WI 530981124088786
- Sheila Sullivan, D.O.Watertown, WI 530981992023493
Common questions
What is Martha F. Jay, M.D.'s NPI number?
Martha F. Jay, M.D.'s National Provider Identifier (NPI) is 1003810458, issued on Jun 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Martha F. Jay, M.D. located?
The NPPES record lists a practice address at 11307 N Port Washington RD, Mequon, WI, 53092. Phone: (262) 241-1919. Providers update this record themselves, so call before visiting.
How can I verify Martha F. Jay, M.D.'s license?
NPPES lists Wisconsin license number 32996-020, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Martha F. Jay, M.D. prescribe under Medicare Part D?
In 2024, Martha F. Jay, M.D. had 22 Medicare Part D claims; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.