Stephen J. Merfeld, M.D.
Ophthalmology Physician · Oshkosh, WI
Stephen J. Merfeld, M.D. is an ophthalmology physician with a practice address in Oshkosh, Wisconsin, and NPI 1619957230, issued on Jan 19, 2006. Check the license (Wisconsin 34248, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Stephen J. Merfeld
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 34248 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1885 W Pointe Dr, Oshkosh, WI 54902
- Phone
- (920) 232-6550
- Enumerated
- Jan 19, 2006
- Record last updated
- Jul 10, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (920) 232-6552
- Medicaid ID
- 31935900 WI
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 441 in Wisconsin → Look up another NPI →
Also registered at 1885 W Pointe Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sean Halpin, O.D.Optometrist1528048733
- Paul Payant, O.D.Optometrist1003264318
Verify Stephen J. Merfeld in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 34248Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Stephen J. Merfeld among 441 ophthalmology physician records in Wisconsin
Stephen J. Merfeld, 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 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 38% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2013 · 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 Oshkosh → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Eric Larson, M.D.Oshkosh, WI 549021275513467
- Stephen Dudley, M.D.Oshkosh, WI 549011386753523
- Mark Austin, MDAppleton, WI 549111487697959
- Avery Alexander, MDAppleton, WI 549131982788030
- Sherry Fowler, PHD., D.O.Washburn, WI 548911649501214
- Robert Sullivan, M.D.Appleton, WI 549131447347190
- Colleen Corbett, M.D.Appleton, WI 549141528078011
- Marvin Hall, MDAppleton, WI 549141285674655
Common questions
What is Stephen J. Merfeld, M.D.'s NPI number?
Stephen J. Merfeld, M.D.'s National Provider Identifier (NPI) is 1619957230, issued on Jan 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen J. Merfeld, M.D. located?
The NPPES record lists a practice address at 1885 W Pointe Dr, Oshkosh, WI, 54902. Phone: (920) 232-6550. Providers update this record themselves, so call before visiting.
How can I verify Stephen J. Merfeld, M.D.'s license?
NPPES lists Wisconsin license number 34248, 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.
What is Stephen J. Merfeld, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.