Doctor profile · Federal record
Dr. Andrew Ahn, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · Washington, DC
- NPI 1154785574
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 10 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
110 Irving St Nw, Dept. of Medicine
Washington, DC 200103017
(202) 877-8278
fax (202) 877-6292 - Mailing address
-
12420 Milestone Center Dr Ste 200
Germantown, MD 208767111
Credentials & registration
- NPI registered
- April 2016 — 10 yrs on file
- Profile last updated
- February 27, 2020
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Virginia #0101268210
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1154785574. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,505
Distinct HCPCS
5
Medicare allowed
$179,274
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 589 | 212 | $131 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 554 | 156 | $85 | |
99239 |
Hospital discharge day management, more than 30 minutes | 193 | 187 | $126 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 142 | 137 | $189 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 27 | 27 | $139 |
In context: peer comparison
Among 219 peers in this city , average services per provider: 102. This provider delivers 15× the peer median.Open Payments
Industry payments received
All-time total
$46
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Canon Medical Systems USA, Inc. | 1 | $23.63 | |
| Janssen Pharmaceuticals, Inc | 1 | $22.09 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
26
Patients
26
Total drug cost
$206
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 14 | 14 | $162 |
| Furosemide | Generic | 12 | 12 | $44 |
Hospital affiliations
Frequently asked questions
What is Dr. Andrew Ahn's medical specialty?
Dr. Andrew Ahn practices Internal Medicine Physician in Washington, DC.
Where does Dr. Andrew Ahn practice?
Dr. Andrew Ahn practices at 110 Irving St Nw, Washington, DC 200103017. Office phone: 2028778278.
What is Dr. Andrew Ahn's NPI?
Dr. Andrew Ahn's National Provider Identifier (NPI) is 1154785574, issued by NPPES.
Does Dr. Andrew Ahn accept Medicare assignment?
Yes. Dr. Andrew Ahn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Ahn commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.