1. Home
  2. Directory
  3. District Of Columbia
  4. Washington
  5. Internal Medicine
  6. NPI Profile

LUCY CHANG MD
NPI 1629137872
Internal Medicine in Washington, DC

Active since December 06, 2006PECOS Enrolled
1120 19TH STREET NW, SUITE 200, WASHINGTON, DC 20036(202) 296-0670(202) 331-8924 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Lucy Chang Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LUCY CHANG MD (NPI 1629137872) is an individual internal medicine provider in Washington, District Of Columbia, licensed in District Of Columbia (MD17049) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS, is affiliated with Virginia Hospital Center, and is a graduate of University Of Maryland School Of Medicine (1986).

NPPES Registry Identity

NPI1629137872
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameLUCY CHANGCredential: MD
Location Address1120 19TH STREET NW, SUITE 200Washington, DC 20036-3615
Mailing Address1120 19th Street Nw, Suite 200Washington, DC 20036-3615 · (202) 296-0670 · Fax (202) 331-8924
Phone(202) 296-0670
Fax(202) 331-8924
Sole ProprietorNo
Medical School CMSUniversity Of Maryland School Of MedicineGraduated 1986
Enumeration DateDecember 6, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1629137872 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in DC · MD17049
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1120 19TH STREET NW, Washington, DC 20036
Open in Google Maps ↗

Other Identifiers 2

Medicare UPINE23098
Medicare ID-Type Unspecified000K54541

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lucy Chang Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1456543776
PECOS Enrollment IDI20101005000974
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Lucy Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Maurice A Sislen Gilbert M Eisner Richard M Kaufman James N Ramey Mort
Same address
Internal Medicine
1120 19TH STREET NW, SUITE 200
Washington, DC 20036
  • Reassigned Medicare billing, District of Columbia enrollment
  • 3 clinicians in this Medicare group
NPI 1306016035 (202) 296-0670

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
407 services228 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
200 services200 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
154 services148 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
34 services30 patients
Administration of vaccine 90471
Administering a vaccine involves injecting a small, safe piece of a virus or bacteria into your body. This triggers your immune system to recognize and fight off the disease in the future. It's a vital tool in preventing serious illnesses and maintaining public health.
23 services23 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
23 services22 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Virginia Hospital Center

Acute Care Hospitals · Arlington, VA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490050
Location1701 North George Mason DriveArlington, VA 22205 · Arlington County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20036 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. GILBERT MARTIN EISNER MD
Internal Medicine
1120 19TH STREET NW, SUITE 200
WASHINGTON, DC 20036
District of Columbia (202) 296-0670
DONALD ARTHUR VAFIDES DDS
Dentist
1120 19TH STREET NW, SUITE 316
WASHINGTON, DC 20036
District of Columbia (202) 466-3570
MAURICE A SISLEN GILBERT M EISNER RICHARD M KAUFMAN JAMES N RAMEY MORT
Internal Medicine
1120 19TH STREET NW, SUITE 200
WASHINGTON, DC 20036
District of Columbia (202) 296-0670
DR. JAMES NORTH RAMEY MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1120 19TH STREET NW, SUITE 200
WASHINGTON, DC 20036
District of Columbia (202) 296-0670
DR. RICHARD MILES KAUFMAN MD
Internal Medicine (Hematology)
1120 19TH STREET NW, SUITE 200
WASHINGTON, DC 20036
District of Columbia (202) 296-0670
CAROLE ELIZABETH HORN MD
Internal Medicine
1120 19TH STREET NW, SUITE 200
WASHINGTON, DC 20036
District of Columbia (202) 296-0670

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Lucy Chang's NPI number?

The NPI number for Lucy Chang is 1629137872. It was assigned to this individual provider in the NPPES registry on December 6, 2006.

Where is Lucy Chang located?

Lucy Chang practices at 1120 19th Street NW Suite 200, Washington, DC 20036. The listed phone number is (202) 296-0670.

What is Lucy Chang's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Lucy Chang enrolled in Medicare?

Yes. Lucy Chang is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Lucy Chang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lucy Chang reassigns Medicare benefits to Maurice A Sislen Gilbert M Eisner Richard M Kaufman James N Ramey Mort (Washington, DC). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Lucy Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Lucy Chang affiliated with any hospitals?

According to CMS data, Lucy Chang is affiliated with Virginia Hospital Center.

When was this NPI record last updated?

The NPPES record for Lucy Chang was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.