Monica K. Lieng, MD, PHD
Ophthalmology Physician · Madison, WI
Monica K. Lieng, MD, PHD is an ophthalmology physician with a practice address in Madison, Wisconsin, and NPI 1609404078, issued on Mar 31, 2020. Check the license (Wisconsin 87646-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Monica K. Lieng
- Credential
- MD, PHD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 87646-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2880 University Ave, Madison, WI 53705
- Phone
- (608) 916-2020
- Enumerated
- Mar 31, 2020
- Record last updated
- Jul 1, 2026
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 441 in Wisconsin → Look up another NPI →
Also registered at 2880 University Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Reem Almomani, M.D.Pediatrics Physician1730561911
- Michael Altaweel, MDOphthalmology Physician1700853876
- Richard Appen, MDOphthalmology Physician1144296617
Verify Monica K. Lieng in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 87646-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average ophthalmology physician in 2024
36 Medicare Part D claims for 16 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D.
Most prescribed
- Erythromycin13 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.
Industry payments in 2024: $146.74
2 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. 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.
Monica K. Lieng among 441 ophthalmology physician records in Wisconsin
Monica K. Lieng, MD, PHD 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 2020, is newer than 94% of them.
- NPI issued2020 · 94% of these records are older, 4% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2026 · 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 Madison → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Michael Altaweel, MDMadison, WI 537051700853876
- Richard Appen, MDMadison, WI 537051144296617
- Barbara Blodi, MDMadison, WI 537051548236839
- Yasmin Bradfield, MDMadison, WI 537051073589545
- Michael Feifarek, MDMadison, WI 537051144296294
- Thomas France, MDMadison, WI 537051588630057
- David Gamm, MDMadison, WI 537051346216488
- Justin Gottlieb, MDMadison, WI 537051164498697
Common questions
What is Monica K. Lieng, MD, PHD's NPI number?
Monica K. Lieng, MD, PHD's National Provider Identifier (NPI) is 1609404078, issued on Mar 31, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Monica K. Lieng, MD, PHD located?
The NPPES record lists a practice address at 2880 University Ave, Madison, WI, 53705. Phone: (608) 916-2020. Providers update this record themselves, so call before visiting.
How can I verify Monica K. Lieng, MD, PHD's license?
NPPES lists Wisconsin license number 87646-20, 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 Monica K. Lieng, MD, PHD prescribe under Medicare Part D?
In 2024, Monica K. Lieng, MD, PHD had 36 Medicare Part D claims for 16 beneficiaries; 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.