Active NPI 1174985998 Individual Practitioner Female Practitioner

Dr. Aileen Wendy Zhen , DO

Internal Medicine - Nephrology • Springfield, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Aileen Zhen, DO is a certified Internal Medicine - Nephrology practicing in Springfield, IL. With approximately 10 years of clinical experience since graduating from University Of New England, College Of Osteo Medicine in 2016, Dr. Zhen delivers high-quality medical care to the local community at 350 W CARPENTER ST.

Dr. Zhen is affiliated with Springfield Clinic, Llp and accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, insertion of needle into vein for collection of blood sample, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

350 W Carpenter St

Springfield, IL 627024902

Telephone 2175287541

Associated Practice Facility / Clinic

🏢 Springfield Obstetric & Gynecologic Associates, S.c. Facility NPI 1306822093

Medicare Profile & Education

Medical School

University Of New England, College Of Osteo Medicine

Graduation Year

2016

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine - Nephrology in Springfield, IL

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

10 Yrs -11.0 yrs vs City Avg

City Avg: 21.0 Yrs

State Avg: 26.3 Yrs

Regional Practice Density

16 Specialists

Practicing in Springfield, IL (598 Statewide)

Telehealth Adoption Rate

12.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

78.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Zhen (10 Years) 10 Yrs

Springfield Specialty Average (21.0 Years) 21.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	354	138	$354.00	$77.21
36415 Insertion of needle into vein for collection of blood sample	226	153	$8.34	$8.04
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	167	121	$581.35	$124.34
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	101	89	$624.00	$128.14
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	76	22	$1235.76	$286.51
90962 Dialysis services, 1 physician visit per month (20 years or older)	64	21	$889.00	$197.95
90935 Hemodialysis procedure with physician evaluation	55	37	$483.00	$66.06
90966 Home dialysis services per month, patient 20 years of age or older	53	11	$1226.89	$249.60
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	51	24	$518.00	$116.77
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	46	46	$764.07	$163.74
99213 Established patient office or other outpatient visit, typically 15 minutes	46	40	$411.17	$88.57
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	36	13	$1542.14	$347.53
82570 Creatinine level to test for kidney function or muscle injury	18	16	$89.00	$5.08

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
82570 Creatinine level to test for kidney function or muscle injury	353	235	$89.00	$5.08
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	336	132	$329.00	$75.59
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	254	171	$555.00	$120.38
36415 Insertion of needle into vein for collection of blood sample	215	128	$6.00	$5.88
99213 Established patient office or other outpatient visit, typically 15 minutes	146	128	$382.00	$85.52
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	140	25	$1191.00	$277.66
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	99	39	$471.00	$113.74
90935 Hemodialysis procedure with physician evaluation	96	53	$483.00	$68.20
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	76	71	$624.00	$124.70
81001 Manual urinalysis test with examination using microscope, automated	65	64	$26.00	$3.11
90962 Dialysis services, 1 physician visit per month (20 years or older)	58	20	$868.00	$190.14
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	40	40	$741.00	$157.20
90966 Home dialysis services per month, patient 20 years of age or older	35	12	$1178.00	$277.53
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	27	24	$893.00	$165.73
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	26	26	$496.00	$106.87
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	22	17	$84.00	$6.34

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	466	312	$339.84	$88.15
82570 Creatinine level to test for kidney function or muscle injury	373	239	$89.00	$5.12
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	300	125	$329.00	$69.66
36415 Insertion of needle into vein for collection of blood sample	188	125	$6.00	$2.96
81001 Manual urinalysis test with examination using microscope, automated	182	137	$26.00	$3.13
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	139	43	$1151.49	$290.93
90935 Hemodialysis procedure with physician evaluation	113	51	$483.00	$71.28
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	95	93	$624.00	$130.90
90962 Dialysis services, 1 physician visit per month (20 years or older)	82	31	$839.44	$201.01
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	74	64	$514.49	$123.75
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	61	32	$471.00	$99.41
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	56	56	$472.04	$108.72
90966 Home dialysis services per month, patient 20 years of age or older	56	23	$1137.79	$291.79
90945 Dialysis procedure including 1 evaluation	42	15	$441.00	$83.96
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	20	16	$84.00	$6.40
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$694.20	$162.52
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	11	11	$893.00	$192.75

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	247	93	$329.00	$70.76
99213 Established patient office or other outpatient visit, typically 15 minutes	105	97	$317.00	$88.61
82570 Creatinine level to test for kidney function or muscle injury	88	78	$89.00	$5.13
90935 Hemodialysis procedure with physician evaluation	84	43	$483.00	$72.22
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	55	53	$624.00	$134.10
36415 Insertion of needle into vein for collection of blood sample	52	47	$6.00	$3.00
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	50	29	$1133.00	$298.94
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	47	47	$441.00	$108.65
90945 Dialysis procedure including 1 evaluation	32	12	$441.00	$84.97
90962 Dialysis services, 1 physician visit per month (20 years or older)	21	17	$826.00	$201.20
81003 Automated urinalysis test	14	14	$19.00	$2.25

Medical Specialties & State Licenses

CMS Verified: 2021-07-07

Internal Medicine - Nephrology Primary Specialty

NUCC Taxonomy Code: 207RN0300X

State License IL 036.155827

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.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License PA OT017265

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Internal Medicine - Nephrology

NUCC Taxonomy Code: 207RN0300X

State License MA 279360

Hospital & Practice Group Affiliations

Springfield Clinic, Llp

250 W Kenwood Ave, Decatur, IL 625264371

Phone: 2175287541

Springfield Clinic, Llp

800 E Carpenter St, Springfield, IL 627025324

Phone: 2175446464

Springfield Clinic, Llp

800 N 1st St, Springfield, IL 627023719

Phone: 2175287541

Springfield Clinic, Llp

1250 E Tremont St, Hillsboro, IL 620491912

Phone: 2175326911

Springfield Clinic, Llp

900 N 1st St, Springfield, IL 627023749

Phone: 2175287541

Springfield Clinic, Llp

1200 E Tremont St, Hillsboro, IL 620491912

Phone: 2175324126

Springfield Clinic, Llp

400 Saint Johns Dr, Sherman, IL 626849779

Phone: 2175254150

Springfield Clinic, Llp

2200 Wabash Ave, Springfield, IL 627045352

Phone: 2177870727

Springfield Clinic, Llp

1000 W Morton Ave, Jacksonville, IL 626503152

Phone: 2172436520

Springfield Clinic, Llp

775 Engineering Ave, Springfield, IL 627035909

Phone: 2175224300

Springfield Clinic, Llp

1280 E Tremont St, Hillsboro, IL 620491912

Phone: 2175322320

Springfield Clinic, Llp

600 N Main St, Taylorville, IL 625681668

Phone: 2178248191

Springfield Clinic, Llp

1025 S 6th St, Springfield, IL 627032403

Phone: 2175287541

Springfield Clinic, Llp

350 W Carpenter St, Springfield, IL 627024902

Phone: 2175250210

Springfield Clinic, Llp

1204 E Tremont St, Hillsboro, IL 620491912

Phone: 2175326266

Springfield Clinic, Llp

20613 N Broad St, Carlinville, IL 626263720

Phone: 2178545099

Springfield Clinic, Llp

100 Stahlhut Dr, Lincoln, IL 626565059

Phone: 2177359555

Secondary Practice Locations

800 Harrison Ave # Bcd-G12

Boston, MA 021182905

Phone: 6176388000

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners

Dr. Kaitlin Henry , MD

Family Medicine

NPI 1003136276

Doctor of Medicine (M.D.)

Sydney Lynch

Physician Assistant - Surgical

NPI 1003404864

Jeremy Elliott

Nurse Practitioner - Family

NPI 1003416546

Jessica Lee , APN

Nurse Practitioner - Family

NPI 1003461831

Advanced Practice Nurse

Julie Hart , PA-C

Physician Assistant

NPI 1003867342

Physician Assistant (Certified)

Barbara Wolfson , LCPC

Counselor

NPI 1003900739

Licensed Clinical Professional Counselor

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

10 Historical Events

📍

Updated Practice Location July 07, 2021

Registered at 350 W CARPENTER ST, SPRINGFIELD, IL 627024902 (Tel: 2175287541)

📍

Updated Business Mailing Address July 07, 2021

Registered at PO BOX 19248, SPRINGFIELD, IL 627949248 (Tel: 2175287541)

📍

Updated Practice Location August 04, 2019

Registered at 800 HARRISON AVE # BCD-G12, BOSTON, MA 021182905 (Tel: 6176388000)

📍

Updated Business Mailing Address August 04, 2019

Registered at 800 HARRISON AVE # BCD-G12, BOSTON, MA 021182905

✅

NPI Profile Active June 29, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location June 29, 2016

Registered at 2701 DEKALB PIKE, EAST NORRITON, PA 194011820 (Tel: 6102782000)

📍

Updated Business Mailing Address June 29, 2016

Registered at 2701 DEKALB PIKE, EAST NORRITON, PA 194011820 (Tel: 6102782000)

👤

Provider Name / Credentials Updated June 29, 2016

Recorded as AILEEN ZHEN, DO

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 29, 2016

Internal Medicine (License #OT017265 in PA)

🟢

Initial NPI Registration & Enumeration March 22, 2016

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

No patient reviews submitted yet for Dr. Aileen Zhen. Be the first to share your experience!

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1174985998

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: March 22, 2016

Last Update: July 07, 2021

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

Po Box 19248

Springfield, IL 627949248

Phone: 2175287541

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.