Doctor profile · Federal record
Dr. Aileen Chang
Internal Medicine Physician (CMS: Internal Medicine) · Washington, DC
- NPI 1245557446
- Accepts Medicare
- 16 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2150 Pennsylvania Ave Nw
Washington, DC 200373201
(202) 741-2222 - Mailing address
-
2150 Pennsylvania Ave Nw Ste 5-416
Washington, DC 200373201
Credentials & registration
- NPI registered
- April 2010 — 16 yrs on file
- Profile last updated
- January 14, 2019
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- District of Columbia #MD043049
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1245557446. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
108
Distinct HCPCS
3
Medicare allowed
$14,490
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 53 | 31 | $143 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 44 | 44 | $148 | |
G0009 |
Administration of pneumococcal vaccine | 11 | 11 | $35 |
In context: peer comparison
Among 219 peers in Washington Internal Medicine Physician, average services per provider: 102. This provider delivers 1.1× the peer median.Open Payments
Industry payments received
All-time total
$22
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Dynavax Technologies Corporation | 1 | $22.06 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
476
Patients
84
Total drug cost
$5,425
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 77 | 22 | $946 |
| Metformin Hcl | Generic | 53 | 14 | $576 |
| Levothyroxine Sodium | Generic | 44 | 11 | $613 |
| Amlodipine Besylate | Generic | 43 | 13 | $454 |
| Hydrochlorothiazide | Generic | 43 | 13 | $204 |
| Fluticasone Propionate | Generic | 37 | 0 | $385 |
| Losartan Potassium | Generic | 35 | 11 | $441 |
| Metoprolol Succinate | Generic | 22 | 0 | $535 |
| Furosemide | Generic | 21 | 0 | $176 |
| Simvastatin | Generic | 20 | 0 | $298 |
Hospital affiliations
Frequently asked questions
What is Dr. Aileen Chang's medical specialty?
Dr. Aileen Chang practices Internal Medicine Physician in Washington, DC.
Where does Dr. Aileen Chang practice?
Dr. Aileen Chang practices at 2150 Pennsylvania Ave Nw, Washington, DC 200373201. Office phone: 2027412222.
What is Dr. Aileen Chang's NPI?
Dr. Aileen Chang's National Provider Identifier (NPI) is 1245557446, issued by NPPES.
Does Dr. Aileen Chang accept Medicare assignment?
Yes. Dr. Aileen Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aileen Chang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Administration of pneumococcal vaccine (HCPCS G0009). Source: CMS Medicare Physician & Other Practitioners file.