AILEEN WENDY ZHEN DO
NPI 1174985998
Internal Medicine - Nephrology in Springfield, IL

Q: What is Aileen Zhen's NPI number?

The NPI number for Aileen Zhen is 1174985998. It was assigned to this individual provider in the NPPES registry on March 22, 2016.

Q: What is Aileen Zhen's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Aileen Zhen was last updated on July 7, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.

Active since March 22, 2016PECOS EnrolledAccepts Medicare Assignment

75/100

CMS Quality Rating

350 W CARPENTER ST, SPRINGFIELD, IL 62702(217) 528-7541 Get Directions Write a Review

NPPES record last updated: July 7, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 7, 2021, Jun 22, 2021, Aug 4, 2019 and 2 more (5 updates tracked since 2016).

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About Aileen Wendy Zhen Do NPPES

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

AILEEN WENDY ZHEN DO (NPI 1174985998) is an individual nephrology provider in Springfield, Illinois, licensed in Illinois (036.155827) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS, is affiliated with St Johns Hospital, and maintains a secondary practice location in Boston.

NPPES Registry Identity

NPI1174985998

Entity TypeIndividualFemale

Primary Taxonomy207RN0300X

Provider Legal NameAILEEN WENDY ZHENCredential: DO

Location Address350 W CARPENTER STSpringfield, IL 62702-4902

Mailing AddressPo Box 19248Springfield, IL 62794-9248 · (217) 528-7541

Phone(217) 528-7541

Sole ProprietorYes

Medical School CMSUniversity Of New England, College Of Osteo MedicineGraduated 2016

Enumeration DateMarch 22, 2016

Last NPPES UpdateJuly 7, 20215 updates tracked since enumeration

NPPES CertifiedJuly 7, 2021

✔ NPI 1174985998 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

Licenses✔ Licensed in IL · 036.155827✔ Licensed in MA · 279360

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 OT017265 (PA)

350 W CARPENTER ST, Springfield, IL 62702

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Secondary Practice Location 1

Location 1800 Harrison Ave # Bcd-G12Boston, MA 02118-2905 · Phone (617) 638-8000

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

Aileen Wendy Zhen Do 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 ID7810280732

PECOS Enrollment IDI20210719001440

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 13

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.

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.

354 services138 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

226 services153 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

167 services121 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.

101 services89 patients

Dialysis services, 2-3 physician visits per month (20 years or older) 90961

Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.

76 services22 patients

Dialysis services, 1 physician visit per month (20 years or older) 90962

Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys canâ€™t do their job. A physician visit once a month ensures your treatment is working effectively and adjusts it if necessary. This service is available for individuals aged 20 years and older.

64 services21 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.

55 services37 patients

Home dialysis services per month (20 years or older) 90966

Home dialysis services provide kidney treatment for patients aged 20 or older right in their own homes. This service includes necessary equipment, supplies, and support for performing dialysis. It's a convenient option that allows patients to maintain their daily routines while receiving essential care.

53 services11 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.

51 services24 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

46 services46 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

46 services40 patients

Dialysis services, 4 or more physician visits per month (20 years or older) 90960

Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.

36 services13 patients

Creatinine level to test for kidney function or muscle injury 82570

A creatinine level test measures the amount of creatinine in your blood. This substance is a waste product from normal muscle use. Higher levels can indicate possible kidney dysfunction or muscle injury. This test helps monitor kidney health.

18 services16 patients

Hospital Affiliations CMS Care Compare 4

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

St Johns Hospital

Acute Care Hospitals · Springfield, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140053

Location800 E Carpenter StSpringfield, IL 62769 · Sangamon County

Emergency services Birthing friendly

Memorial Medical Center

Acute Care Hospitals · Springfield, IL

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140148

Location701 N First StSpringfield, IL 62702 · Sangamon County

Emergency services Birthing friendly

Abraham Lincoln Memorial Hospital

Critical Access Hospitals · Lincoln, IL

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number141322

Location200 Stahlhut DriveLincoln, IL 62656 · Logan County

Emergency services

Jacksonville Memorial Hospital

Critical Access Hospitals · Jacksonville, IL

OwnershipVoluntary non-profit - Private

CMS Certification Number141352

Location1600 W Walnut StJacksonville, IL 62650 · Morgan County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 62702 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

$127.46 typical visit price

range $54.80 – $168.44

Typical copayment $31.86 (range $13.70 – $42.11)

Most-billed visit code 99204

Established Patient

$97.25 typical visit price

range $17.16 – $136.56

Typical copayment $24.31 (range $4.29 – $34.14)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

75/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Parenteral nutrition solution, not otherwise specified, 10 grams lipids B4185

Other-Enteral and Parenteral · category OB005N

1 supplier48 claims520 services$11.14 avg. paid by Medicare

Parenteral nutrition solution; compounded amino acid and carbohydrates with electrolytes, trace elements, and vitamins, including preparation, any strength, 10 to 51 grams of protein - premix B4189

Other-Enteral and Parenteral · category OB005N

1 supplier47 claims209 services$177.46 avg. paid by Medicare

Parenteral nutrition supply kit; premix, per day B4220

Other-Enteral and Parenteral · category OB005N

1 supplier48 claims214 services$8.03 avg. paid by Medicare

Parenteral nutrition administration kit, per day B4224

Other-Enteral and Parenteral · category OB005N

1 supplier48 claims214 services$25.07 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

JESSICA L LEE APN

Nurse Practitioner (Family)