Lucy Chang, MD
Internal Medicine Physician · Washington, DC
Lucy Chang, MD is an internal medicine physician with a practice address in Washington, District of Columbia, and NPI 1629137872, issued on Dec 6, 2006. Check the license (District of Columbia MD17049, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Lucy Chang
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD17049 DC
Self-reported in NPPES; status is on the state search - Practice location
- 1120 19TH Street NW, Washington, DC 20036
- Phone
- (202) 296-0670
- Enumerated
- Dec 6, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (202) 331-8924
- Medicare enrollment
- Enrolled (PECOS I20101005000974); may accept Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 1986
- Entity
- Type 1 · individual
Also registered at 1120 19TH Street NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Lucy Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license MD17049Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,326 Medicare Part D claims for 239 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Rosuvastatin Calcium164 claims
- Atorvastatin Calcium137 claims
- Amlodipine Besylate136 claims
- Metoprolol Succinate80 claims
- Synthroid78 claims
- Levothyroxine Sodium77 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: $876.76
32 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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 2 group practices
- Maurice A Sislen Gilbert M Eisner Richard M Kaufman James N Ramey MortWashington, DC
- Suburban/nrh Medical Rehabilitation IncBethesda, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
891 internal medicine physician records list a practice address in Washington
They are 891 of the 45,857 NPPES records with a practice address in Washington, and 901 internal medicine physician records in District of Columbia.
All 891 in Washington → All 901 in District of Columbia → Every provider in Washington →
Other internal medicine physician records in District of Columbia
- Kathleen AbalosWashington, DC1831451764
- Mohamed Abdelfattah, M.DWashington, DC1164155818
- Diena AbdelmagedWashington, DC1598226391
- Ahmed Abdulameer, MDWashington, DC1295264166
- Fozia Abdulwahabe, M.DWashington, DC1386763373
- Syed Hasan Raza Abidi, MBBSWashington, DC1265127906
- Davis Abongwa, MDWashington, DC1780267559
- Randi Abramson, MDWashington, DC1841379252
- Khadega Abuelgasim Ahmed, M.DWashington, DC1801070297
- Ahmed AbughabanWashington, DC1205100518
Common questions
What is Lucy Chang, MD's NPI number?
Lucy Chang, MD's National Provider Identifier (NPI) is 1629137872, issued on Dec 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lucy Chang, MD located?
The NPPES record lists a practice address at 1120 19TH Street NW, Washington, DC, 20036. Phone: (202) 296-0670. Providers update this record themselves, so call before visiting.
How can I verify Lucy Chang, MD's license?
NPPES lists District of Columbia license number MD17049, as entered by the provider. Search the District of Columbia Board of Medicine at https://dchealth.dc.gov/bomed. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Lucy Chang, MD prescribe under Medicare Part D?
In 2024, Lucy Chang, MD had 2,326 Medicare Part D claims for 239 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.