Mimi Lum
Optometrist · Bethesda, MD
Mimi Lum is an optometrist with a practice address in Bethesda, Maryland, and NPI 1407076292, issued on Apr 26, 2007. Check the license (Maryland TA1990, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mimi Lum
- Primary taxonomy
- Optometrist 152W00000X
- License number
- TA1990 MD
Self-reported in NPPES; status is on the state search - Practice location
- 4975 North Palmer RD 85T, Bethesda, MD 20889
- Phone
- (301) 319-7087
- Enumerated
- Apr 26, 2007
- Record last updated
- Jul 9, 2024
- Entity
- Type 1 · individual
8 nearest optometrist records → All 924 in Maryland → Look up another NPI →
Verify Mimi Lum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license TA1990Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $103.00
2 payments; by number, the most common kind was food and beverage; the largest payer was Biotissue Holdings Inc. The 34,453 providers of this specialty with any payment received $769.99 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.
Mimi Lum among 924 optometrist records in Maryland
Mimi Lum is one of 924 optometrist records with a practice address in Maryland. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 42% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 56% of these records are
- Record last updated2024 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in Maryland
There are 924 optometrist records in Maryland.
All 924 in Maryland → Every provider in Bethesda → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Alexandra Bennett, O.DBethesda, MD 208891427426675
- Andrew Brown, OD, MDBethesda, MD 208891215302104
- Thu-Ha Easter, ODBethesda, MD 208891205911583
- Hong Gao, O.D.Bethesda, MD 208891710957840
- Jeffery Gould, O.D.Bethesda, MD 208891992770275
- Andrew Gregory, O.D., M.H.A., M.B.A.Bethesda, MD 208891427047737
- Marc Herwitz, ODBethesda, MD 208891023088879
- Sadia Khan, O.D.Bethesda, MD 208891235345000
Common questions
What is Mimi Lum's NPI number?
Mimi Lum's National Provider Identifier (NPI) is 1407076292, issued on Apr 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mimi Lum located?
The NPPES record lists a practice address at 4975 North Palmer RD 85T, Bethesda, MD, 20889. Phone: (301) 319-7087. Providers update this record themselves, so call before visiting.
How can I verify Mimi Lum's license?
NPPES lists Maryland license number TA1990, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity 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.