HUIWEN CHEN MD
NPI 1134539612
Internal Medicine - Nephrology in Philadelphia, PA

Active since May 05, 2014PECOS EnrolledAccepts Medicare Assignment
3400 SPRUCE ST, PHILADELPHIA, PA 19104(215) 662-2638(215) 349-5703 Get Directions Write a Review

NPPES record last updated: November 19, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 19, 2025, Jan 24, 2022 (2 updates tracked since 2022).

About Huiwen Chen Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

HUIWEN CHEN MD (NPI 1134539612) is an individual nephrology provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD466157) and active in the NPI registry since May 2014. She is enrolled in Medicare PECOS, is affiliated with Hospital Of Univ Of Pennsylvania, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1134539612
Entity TypeIndividualFemale
Primary Taxonomy207RN0300X
Provider Legal NameHUIWEN CHENCredential: MD
Location Address3400 SPRUCE STPhiladelphia, PA 19104-4238
Mailing Address3400 Spruce St, 1st Floor Founders, Renal StePhiladelphia, PA 19104-4238 · (215) 662-2638 · Fax (215) 349-5703
Fax(215) 349-5703
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateMay 5, 2014
Last NPPES UpdateNovember 19, 20252 updates tracked since enumeration
NPPES CertifiedNovember 19, 2025
NPI 1134539612 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
Licenses Licensed in PA · MD466157 Licensed in NJ · 25MA10789600
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
Also ListedInternal MedicineTaxonomy 207R00000X · License 25MA10789600 (NJ), MD466517 (PA)
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License MD466517 (PA), 25MA10789600 (NJ)
3400 SPRUCE ST, Philadelphia, PA 19104

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Huiwen Chen Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9638398761
PECOS Enrollment IDI20190710000011
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Other inpatient or outpatient dialysis procedure 90999
Dialysis is a treatment that filters and purifies the blood using a machine. This helps keep your body in balance when the kidneys can't perform these functions. Inpatient dialysis is performed in a hospital, while outpatient dialysis is done at a dialysis center or at home. Both methods help manage kidney disease.
276 services71 patients
Hemodialysis procedure with physician evaluation 90935
Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.
208 services93 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
177 services93 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
123 services72 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
69 services67 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
31 services30 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Hospital Of Univ Of Pennsylvania

Acute Care Hospitals · Philadelphia, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390111
Location34th & Spruce StsPhiladelphia, PA 19104 · Philadelphia County
Emergency services Birthing friendly

Penn Presbyterian Medical Center

Acute Care Hospitals · Philadelphia, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number390223
Location51 North 39th StreetPhiladelphia, PA 19104 · Philadelphia County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$137.17 typical visit price
range $59.88 – $180.99
Typical copayment $34.29 (range $14.97 – $45.24)
Most-billed visit code 99204
Established Patient
$105.21 typical visit price
range $19.30 – $147.29
Typical copayment $26.30 (range $4.82 – $36.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pediatrics
3400 SPRUCE ST, 8 RAVDIN
PHILADELPHIA, PA 19104
Radiology (Diagnostic Radiology)
3400 SPRUCE ST
PHILADELPHIA, PA 19104
Anesthesiology
3400 SPRUCE ST, 6 DULLES
PHILADELPHIA, PA 19104
Internal Medicine (Pulmonary Disease)
3400 SPRUCE ST
PHILADELPHIA, PA 19104
Student in an Organized Health Care Education/Training Program
3400 SPRUCE ST
PHILADELPHIA, PA 19104
Physician Assistant (Medical)
3400 SPRUCE ST, 4 SILVERSTEIN
PHILADELPHIA, PA 19104
Anesthesiology (Critical Care Medicine)
3400 SPRUCE ST
PHILADELPHIA, PA 19104
Radiology (Diagnostic Radiology)
3400 SPRUCE ST
PHILADELPHIA, PA 19104

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Huiwen Chen's NPI number?

The NPI number for Huiwen Chen is 1134539612. It was assigned to this individual provider in the NPPES registry on May 5, 2014.

Where is Huiwen Chen located?

Huiwen Chen practices at 3400 Spruce St, Philadelphia, PA 19104. The listed phone number is (215) 662-2638.

What is Huiwen Chen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Huiwen Chen enrolled in Medicare?

Yes. Huiwen Chen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Huiwen Chen accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Huiwen Chen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Huiwen Chen affiliated with any hospitals?

According to CMS data, Huiwen Chen is affiliated with Hospital Of Univ Of Pennsylvania and Penn Presbyterian Medical Center.

When was this NPI record last updated?

The NPPES record for Huiwen Chen was last updated on November 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.