ESMOND K YEN MD
NPI 1285698100
Obstetrics & Gynecology in Woodridge, IL

Q: What is Esmond Yen's NPI number?

The NPI number for Esmond Yen is 1285698100. It was assigned to this individual provider in the NPPES registry on April 17, 2006.

Q: What is Esmond Yen's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Q: When was this NPI record last updated?

The NPPES record for Esmond Yen was last updated on October 28, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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 April 17, 2006PECOS EnrolledAccepts Medicare Assignment

7425 JANES AVE, WOODRIDGE, IL 60517(815) 300-7764 Get Directions Write a Review

NPPES record last updated: October 28, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 28, 2020, Jun 23, 2020 (2 updates tracked since 2020).

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About Esmond K Yen Md NPPES

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

ESMOND K YEN MD (NPI 1285698100) is an individual obstetrics & gynecology provider in Woodridge, Illinois, licensed in Illinois (036094713) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Silver Cross Hospital And Medical Centers, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (1993).

NPPES Registry Identity

NPI1285698100

Entity TypeIndividualMale

Primary Taxonomy207V00000X

Provider Legal NameESMOND K YENCredential: MD

Location Address7425 JANES AVEWoodridge, IL 60517-2356

Mailing Address7425 Janes AveWoodridge, IL 60517-2356 · (815) 300-7764

Phone(815) 300-7764

Sole ProprietorNo

Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 1993

Enumeration DateApril 17, 2006

Last NPPES UpdateOctober 28, 20202 updates tracked since enumeration

NPPES CertifiedOctober 28, 2020

✔ NPI 1285698100 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in IL · 036094713

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

7425 JANES AVE, Woodridge, IL 60517

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Other Identifiers 2

Medicaid036094713IL

Other160032234IL · Railroad Medicare

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Esmond K Yen 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 ID3476541467

PECOS Enrollment IDI20100610000788

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.

Medicare Billing Reassignments

Medicare enrollment records show Esmond Yen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Health Service Systems, Inc

15 mi

Internal Medicine

1851 SILVER CROSS BOULEVARD, SUITE 110
New Lenox, IL 60451

Reassigned Medicare billing, Illinois enrollment
133 clinicians in this Medicare group

NPI 1851323257 (815) 300-3060

Premier Suburban Medical Group, PLLC

15 mi

Multi-Specialty

17047 LA GRANGE RD.
Orland Park, IL 60487

Reassigned Medicare billing, Illinois enrollment
44 clinicians in this Medicare group

NPI 1902412950 (815) 300-7664

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

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.

Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory Q0091

A Papanicolaou smear, often called a Pap smear, is a test to check for changes in cells. A small sample is gently collected from the lower region and sent to a lab for examination. This helps in early detection of potential health issues.

35 services35 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.

26 services22 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

17 services17 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.

15 services14 patients

Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101

This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.

14 services14 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.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

Silver Cross Hospital And Medical Centers

Acute Care Hospitals · New Lenox, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140213

Location1900 Silver Cross BlvdNew Lenox, IL 60451 · Will County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60517 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

$137.43 typical visit price

range $59.81 – $181.38

Typical copayment $34.35 (range $14.95 – $45.34)

Most-billed visit code 99204

Established Patient

$74.38 typical visit price

range $19.15 – $147.12

Typical copayment $18.59 (range $4.78 – $36.78)

Most-billed visit code 99213

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 17

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

JEFFREY JOHNSON PA-C

Physician Assistant

7425 JANES AVE
WOODRIDGE, IL 60517

Dupage County (708) 550-7005

SYLVIA IRIZARRY MD

Pediatrics

7425 JANES AVE
WOODRIDGE, IL 60517

Dupage County (815) 300-7764

ADVENTIST HEALTH PARTNERS,INC

Family Medicine

7425 JANES AVE, SUITE 100
WOODRIDGE, IL 60517

Dupage County (630) 969-9096

SARA NANNETTE CHABRA PA-C

Physician Assistant

7425 JANES AVE
WOODRIDGE, IL 60517

Dupage County (815) 300-7764

WON D KIM M.D.

Pediatrics (Neonatal-Perinatal Medicine)

7425 JANES AVE
WOODRIDGE, IL 60517

Dupage County (815) 300-7106

REFAT BARIDI MD

Internal Medicine (Hematology & Oncology)

7425 JANES AVE
WOODRIDGE, IL 60517

Dupage County (815) 300-7764

ADVENTIST HEALTH PARTNERS, INC

Obstetrics & Gynecology

7425 JANES AVE, STE 204
WOODRIDGE, IL 60517

Dupage County (630) 963-5710

PHYSICIANS C.A.R.E. MIDWEST, S.C.

Psychiatry & Neurology (Neurology)

7425 JANES AVE, SUITE 200
WOODRIDGE, IL 60517

Dupage County (630) 852-0267

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 Esmond Yen's NPI number?

The NPI number for Esmond Yen is 1285698100. It was assigned to this individual provider in the NPPES registry on April 17, 2006.

Where is Esmond Yen located?

Esmond Yen practices at 7425 Janes Ave, Woodridge, IL 60517. The listed phone number is (815) 300-7764.

What is Esmond Yen's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Esmond Yen enrolled in Medicare?

Yes. Esmond Yen 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.

Which organizations bill Medicare for Esmond Yen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Esmond Yen reassigns Medicare benefits to 2 organizations: Health Service Systems, Inc (New Lenox, IL) and Premier Suburban Medical Group, PLLC (Orland Park, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Esmond Yen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Esmond Yen accept?

Health plans from Oscar Health list Esmond Yen 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 Esmond Yen affiliated with any hospitals?

According to CMS data, Esmond Yen is affiliated with Silver Cross Hospital And Medical Centers.

When was this NPI record last updated?

The NPPES record for Esmond Yen was last updated on October 28, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.