Doctor profile · Federal record
Dr. Wootaek Chang
Nephrology Physician (CMS: Nephrology) · Brooklyn, NY
- NPI 1437167590
- Accepts Medicare
- 43 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
121 Dekalb Ave
Brooklyn, NY 112015425
(718) 250-8022
fax (718) 250-6179 - Mailing address
-
50 Woodland RD
Roslyn, NY 115761434
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- August 9, 2013
- Year of graduation
- 1983 — 43 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- New York #171373
- Medicaid
- NY #01153222
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1437167590. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
257
Distinct HCPCS
2
Medicare allowed
$94,874
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 138 | 21 | $400 | |
90966 |
Home dialysis services per month (20 years or older) | 119 | 14 | $333 |
In context: peer comparison
Among 32 peers in Brooklyn Nephrology Physician, average services per provider: 166. This provider delivers 1.5× the peer median.Open Payments
Industry payments received
All-time total
$49
Transactions
2
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Akebia Therapeutics INC | 2 | $49.27 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
706
Patients
64
Total drug cost
$52,551
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Sevelamer Carbonate | Generic | 111 | 19 | $38,551 |
| Nifedipine ER (Nifedipine) | Brand | 84 | 13 | $2,325 |
| Calcium Acetate | Generic | 80 | 20 | $6,336 |
| Minoxidil | Generic | 61 | 0 | $1,019 |
| Amlodipine Besylate | Generic | 48 | 0 | $257 |
| Metoprolol Succinate | Generic | 48 | 12 | $442 |
| Carvedilol | Generic | 41 | 0 | $410 |
| Losartan Potassium | Generic | 41 | 0 | $186 |
| Furosemide | Generic | 40 | 0 | $190 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 38 | 0 | $1,238 |
Frequently asked questions
What is Dr. Wootaek Chang's medical specialty?
Dr. Wootaek Chang practices Nephrology Physician in Brooklyn, NY.
Where does Dr. Wootaek Chang practice?
Dr. Wootaek Chang practices at 121 Dekalb Ave, Brooklyn, NY 112015425. Office phone: 7182508022.
What is Dr. Wootaek Chang's NPI?
Dr. Wootaek Chang's National Provider Identifier (NPI) is 1437167590, issued by NPPES.
Does Dr. Wootaek Chang accept Medicare assignment?
Yes. Dr. Wootaek Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Wootaek Chang commonly perform?
Top Medicare-reported procedures in 2023: Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960); Home dialysis services per month (20 years or older) (HCPCS 90966). Source: CMS Medicare Physician & Other Practitioners file.