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YING HAO LAI M.D.
NPI 1104116847
Surgery in Chicago, IL

Active since April 14, 2011PECOS EnrolledAccepts Medicare Assignment
3000 N HALSTED ST STE 509, CHICAGO, IL 60657(773) 296-3390 Get Directions Write a Review

NPPES record last updated: May 14, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 14, 2025, Dec 28, 2021, Aug 23, 2016 (3 updates tracked since 2016).

About Ying Hao Lai M.d. NPPES

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

YING HAO LAI M.D. (NPI 1104116847) is an individual surgery provider in Chicago, Illinois, licensed in Illinois (036.140559) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS, is affiliated with Advocate Illinois Masonic Medical Center, and is a graduate of Northwestern University Feinberg Medical School (2011).

NPPES Registry Identity

NPI1104116847
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameYING HAO LAICredential: M.D.
Location Address3000 N HALSTED ST STE 509Chicago, IL 60657-5194
Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900
Phone(773) 296-3390
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2011
Enumeration DateApril 14, 2011
Last NPPES UpdateMay 14, 20253 updates tracked since enumeration
NPPES CertifiedMay 14, 2025
✔ NPI 1104116847 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in IL · 036.140559
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
3000 N HALSTED ST STE 509, Chicago, IL 60657
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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

Ying Hao Lai M.d. 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 ID4284929498
PECOS Enrollment IDI20160827000068
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 Reassignment

Medicare enrollment records show Ying Lai reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Advocate Health And Hospitals Corp.
1.0 mi
Cardiovascular Disease
3118 N ASHLAND AVE
Chicago, IL 60657
  • Reassigned Medicare billing, Illinois enrollment
  • 4,870 clinicians in this Medicare group
NPI 1487951711 (773) 880-9722

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 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.

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.
57 services20 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
37 services37 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.
28 services28 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.
28 services22 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.
23 services19 patients
Repair of groin hernia using an endoscope 49650
This procedure involves the use of an endoscope, a thin tube with a camera, to repair a hernia in the groin area. The surgeon makes small incisions, inserts the endoscope, and uses special tools to fix the hernia. This minimally invasive technique often results in quicker recovery times.
11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Advocate Illinois Masonic Medical Center

Acute Care Hospitals · Chicago, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140182
Location836 West Wellington AvenueChicago, IL 60657 · Cook County
Emergency services Birthing friendly

Advocate Lutheran General Hospital

Acute Care Hospitals · Park Ridge, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140223
Location1775 Dempster StPark Ridge, IL 60068 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60657 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
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
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 12

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

LINDSEY TAYLOR PLOSKONKA PA-C
Physician Assistant
3000 N HALSTED ST STE 509
CHICAGO, IL 60657
Cook County (773) 296-3390
JERREL H BOYER DO
Neurological Surgery
3000 N HALSTED ST STE 509
CHICAGO, IL 60657
Cook County (773) 629-6666
CELESTE GERALDINA CRUZ M.D.
Surgery
3000 N HALSTED ST STE 509
CHICAGO, IL 60657
Cook County (773) 296-3390
SARAH CATHERINE KOENIGSFELD PA
Physician Assistant
3000 N HALSTED ST STE 509
CHICAGO, IL 60657
Cook County (773) 296-6666
ALEXANDRA VIGILANTE CHAMBERLIN PA-C
Physician Assistant
3000 N HALSTED ST STE 509
CHICAGO, IL 60657
Cook County (773) 296-6666
NICHOLAS STUART LYSAK M.D.
Surgery (Vascular Surgery)
3000 N HALSTED ST STE 509
CHICAGO, IL 60657
Cook County (773) 296-3390
CARRIE ANN HARPRING AGACNP-BC
Nurse Practitioner (Critical Care Medicine)
3000 N HALSTED ST STE 509
CHICAGO, IL 60657
Cook County (773) 296-3390
MRS. LEAH KAY PAETH PA-C
Physician Assistant
3000 N HALSTED ST STE 509
CHICAGO, IL 60657
Cook County (773) 296-3390

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 Ying Lai's NPI number?

The NPI number for Ying Lai is 1104116847. It was assigned to this individual provider in the NPPES registry on April 14, 2011.

Where is Ying Lai located?

Ying Lai practices at 3000 N Halsted St Ste 509, Chicago, IL 60657. The listed phone number is (773) 296-3390.

What is Ying Lai's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Ying Lai enrolled in Medicare?

Yes. Ying Lai 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 organization bills Medicare for Ying Lai's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ying Lai reassigns Medicare benefits to Advocate Health And Hospitals Corp. (Chicago, IL). The 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 Ying Lai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ying Lai accept?

Health plans from Oscar Health list Ying Lai 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 Ying Lai affiliated with any hospitals?

According to CMS data, Ying Lai is affiliated with Advocate Illinois Masonic Medical Center and Advocate Lutheran General Hospital.

When was this NPI record last updated?

The NPPES record for Ying Lai was last updated on May 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.