Lan Chang, M.D.
Ophthalmology Physician · Kensington, MD
Lan Chang, M.D. is an ophthalmology physician with a practice address in Kensington, Maryland, and NPI 1871792002, issued on Jul 17, 2007. Check the license on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Lan Chang
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- MD2012-0458 NM
MT191020 PA
Self-reported in NPPES; status is on the state search - Practice location
- 10810 Connecticut Ave, Kensington, MD 20895
- Phone
- (301) 972-7100
- Enumerated
- Jul 17, 2007
- Record last updated
- Nov 7, 2023
- Medicaid ID
- 47278781 NM
- Medicare enrollment
- Enrolled (PECOS I20231109000035); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 2007
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 588 in Maryland → Look up another NPI →
Also registered at 10810 Connecticut Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Bhavna Bali, MD.Pediatrics Physician1164691788
- Sevag Bananian, M.D.Internal Medicine Physician1770578460
- Deborah Belsky, MDFamily Medicine Physician1386717684
Verify Lan Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of PhysiciansCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average ophthalmology physician in 2024
317 Medicare Part D claims for 118 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.
Most prescribed
- Prednisolone Acetate127 claims
- Moxifloxacin98 claims
- Latanoprost26 claims
- Ketorolac Tromethamine25 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): 96.8 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).
Bills Medicare through one group practice
- Kaiser Foundation Health Plan OF The Mid Atlantic States, IncKensington, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lan Chang among 588 ophthalmology physician records in Maryland
Lan Chang, M.D. is one of 588 ophthalmology physician 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 56% of them.
- NPI issued2007 · 56% of these records are older, 34% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2007 · median 2002 among the 369 with a school on file
- Record last updated2023 · 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Maryland
There are 588 ophthalmology physician records in Maryland.
All 588 in Maryland → Every provider in Kensington → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Fritz Allen, MDKensington, MD 208951548332042
- Rohit Bhatnagar, M.D.Kensington, MD 208951770623126
- Jonathan Collins, M.D.Kensington, MD 208951669467411
- Tim Hopkins, M.D.Kensington, MD 208951235192568
- Benjamin Magno, MDKensington, MD 208951366515637
- Amy Siris, M.D.Kensington, MD 208951598924821
- Sunil Bellur, MDBethesda, MD 208921548798002
- Rachel Bishop, MDBethesda, MD 208921508402769
Common questions
What is Lan Chang, M.D.'s NPI number?
Lan Chang, M.D.'s National Provider Identifier (NPI) is 1871792002, issued on Jul 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Lan Chang, M.D. located?
The NPPES record lists a practice address at 10810 Connecticut Ave, Kensington, MD, 20895. Phone: (301) 972-7100. Providers update this record themselves, so call before visiting.
How can I verify Lan Chang, M.D.'s license?
Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Lan Chang, M.D. prescribe under Medicare Part D?
In 2024, Lan Chang, M.D. had 317 Medicare Part D claims for 118 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Lan Chang, M.D.'s MIPS final score?
The 2023 MIPS final score is 96.8 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.