Doctor profile · Federal record
Dr. Huiwen Chen, MD
Nephrology Physician (CMS: Nephrology) · Internal Medicine Physician · Critical Care Medicine (Internal Medicine) Physician · Internal Medicine Physician · Critical Care Medicine (Internal Medicine) Physician · Nephrology Physician · Philadelphia, PA
- NPI 1134539612
- Accepts Medicare
- 12 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3400 Spruce St
Philadelphia, PA 191044238
(215) 662-2638
fax (215) 349-5703
Credentials & registration
- NPI registered
- May 2014 — 12 yrs on file
- Profile last updated
- November 19, 2025
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State licenses (3)
- Pennsylvania #MD466157 · New Jersey #25MA10789600 · Pennsylvania #MD466517
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1134539612. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,015
Distinct HCPCS
7
Medicare allowed
$102,995
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90935 |
Hemodialysis procedure with physician evaluation | 250 | 118 | $74 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 229 | 115 | $124 | |
90999 |
Other inpatient or outpatient dialysis procedure | 215 | 50 | $90 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 176 | 81 | $82 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 85 | 82 | $180 | |
90937 |
Hemodialysis procedure requiring repeated evaluation | 36 | 28 | $105 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 24 | 24 | $135 |
In context: peer comparison
Among 50 peers in this city , average services per provider: 81. This provider delivers 13× the peer median.Open Payments
Industry payments received
All-time total
$32
Transactions
2
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Medtronic, Inc. | 2 | $32.16 |
By nature of payment
Frequently asked questions
What is Dr. Huiwen Chen's medical specialty?
Dr. Huiwen Chen practices Nephrology Physician in Philadelphia, PA.
Where does Dr. Huiwen Chen practice?
Dr. Huiwen Chen practices at 3400 Spruce St, Philadelphia, PA 191044238. Office phone: 2156622638.
What is Dr. Huiwen Chen's NPI?
Dr. Huiwen Chen's National Provider Identifier (NPI) is 1134539612, issued by NPPES.
Does Dr. Huiwen Chen accept Medicare assignment?
Yes. Dr. Huiwen Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Huiwen Chen commonly perform?
Top Medicare-reported procedures in 2023: Hemodialysis procedure with physician evaluation (HCPCS 90935); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Other inpatient or outpatient dialysis procedure (HCPCS 90999). Source: CMS Medicare Physician & Other Practitioners file.