Kathy I. Hwang, M.D.
Ophthalmology Physician · Brookfield, WI
Kathy I. Hwang, M.D. is an ophthalmology physician with a practice address in Brookfield, Wisconsin, and NPI 1548263817, issued on May 31, 2005. Check the license (Wisconsin 53206-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Kathy I. Hwang
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- 53206-020 WI
MD30189 DC
D0051950 MD
Self-reported in NPPES; status is on the state search - Practice location
- 17000 W North Ave, Brookfield, WI 53005
- Phone
- (262) 641-2700
- Enumerated
- May 31, 2005
- Record last updated
- Sep 16, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160801000246); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 1990
- Entity
- Type 1 · individual
Also registered at 17000 W North Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Penny Beams, PTOrthopedic Physical Therapist1134366297
- Jacqueline Bergner, APNPAdult Health Nurse Practitioner1205260411
- Stephen Bielke, MDInternal Medicine Physician1528035516
- Russell Blankenburg, MDInternal Medicine Physician1104893577
- Barbara Brown, P.T.Physical Therapist1518105949
- James Burhop, MDSurgery Physician1063492593
Verify Kathy I. Hwang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 53206-020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average ophthalmology physician in 2024
750 Medicare Part D claims for 247 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 50% of claims.
Most prescribed
- Latanoprost346 claims
- Prednisolone Acetate88 claims
- Dorzolamide-Timolol62 claims
- Lumigan45 claims
- Timolol Maleate35 claims
- Neomycin-Polymyxin-Dexameth25 claims
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.
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).
Industry payments in 2024: $712.74
9 payments; by number, the most common kind was food and beverage; the largest payer was Biotissue Holdings Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Michael J Schermer MD IncSacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ophthalmology Physician providers in Wisconsin
There are 441 ophthalmology physician records in Wisconsin.
Other ophthalmology physician records in Wisconsin
- Vinay Aakalu, MDMilwaukee, WI1851598072
- Nausheen Abbas, M.D.West Bend, WI1356665236
- Omar Abdelmegid, MDBeaver Dam, WI1760943633
- Jacob Abou-Hanna, MDMadison, WI1598394595
- Julia Agapov, DOMadison, WI1861428153
- Swati Agarwal-Sinha, MDGreen Bay, WI1659578623
- Baseer Ahmad, MDMilwaukee, WI1114160918
- Hoda Ahmadi, M.D.Elkhorn, WI1447459912
- Jihan Akhtar Bhikhapurwala, MDSummit, WI1679894901
- Breanna Aldred, MDGreenfield, WI1457932840
Common questions
What is Kathy I. Hwang, M.D.'s NPI number?
Kathy I. Hwang, M.D.'s National Provider Identifier (NPI) is 1548263817, issued on May 31, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Kathy I. Hwang, M.D. located?
The NPPES record lists a practice address at 17000 W North Ave, Brookfield, WI, 53005. Phone: (262) 641-2700. Providers update this record themselves, so call before visiting.
How can I verify Kathy I. Hwang, M.D.'s license?
NPPES lists Wisconsin license number 53206-020, 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 Kathy I. Hwang, M.D. prescribe under Medicare Part D?
In 2024, Kathy I. Hwang, M.D. had 750 Medicare Part D claims for 247 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Kathy I. Hwang, 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.