Doctor profile · Federal record
Dr. WOOIN AHN, M.D.
Nephrology Physician (CMS: NEPHROLOGY) · Internal Medicine Physician · Internal Medicine Physician · Nephrology Physician · Nephrology Physician · PORTLAND, OR
- NPI 1366608267
- Accepts Medicare
- MIPS 93.4 / 100 · 2023
- 28 yrs in practice
- Licensed in 3 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
3181 SW SAM JACKSON PARK RD
PORTLAND, OR 972393011
(503) 494-3442
fax (503) 494-5330 - Additional location
-
161 Fort Washington Ave, Suite 202
New York, NY 100323729
(212) 305-0320
fax (212) 342-1814
Credentials & registration
- NPI registered
- July 2008 — 18 yrs on file
- Profile last updated
- June 30, 2023
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State licenses (3)
- Oregon #MD213267 · Massachusetts #249946 · New York #270920
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1366608267. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
241
Distinct HCPCS
3
Medicare allowed
$25,310
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 182 | 58 | $87 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 37 | 36 | $144 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 22 | 22 | $189 |
In context: peer comparison
Among 24 peers in this city , average services per provider: 83. This provider delivers 2.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
78
Patients
0
Total drug cost
$17,906
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Torsemide | Generic | 23 | 0 | $490 |
| Losartan Potassium | Generic | 18 | 0 | $178 |
| Farxiga (Dapagliflozin Propanediol) | Brand | 13 | 0 | $13,644 |
| Amlodipine Besylate | Generic | 12 | 0 | $100 |
| Sevelamer Carbonate | Generic | 12 | 0 | $3,495 |