1. Home
  2. Directory
  3. Illinois
  4. Chicago
  5. Internal Medicine
  6. NPI Profile

DR. LILLIAN ROCHELLE S J DE LEON MD
NPI 1134142193
Internal Medicine in Chicago, IL

Active since July 25, 2006PECOS EnrolledAccepts Medicare Assignment
2701 W 68TH ST, 3RD FLOOR SUITE N, CHICAGO, IL 60629(773) 884-7922(773) 884-8066 Get Directions Write a Review

NPPES record last updated: January 12, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Lillian Rochelle S J De Leon Md NPPES

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

DR. LILLIAN ROCHELLE S J DE LEON MD (NPI 1134142193) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (036089949) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Mt Sinai Hospital Medical Center, and is a graduate of Other (1988).

NPPES Registry Identity

NPI1134142193
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. LILLIAN ROCHELLE S J DE LEONCredential: MD
Location Address2701 W 68TH ST, 3RD FLOOR SUITE NChicago, IL 60629-1813
Mailing Address1701 Fairfax LaneOakbrook Terrace, IL 60181-5247 · (773) 884-7922 · Fax (773) 884-8066
Phone(773) 884-7922
Fax(773) 884-8066
Sole ProprietorYes
Medical School CMSOtherGraduated 1988
Enumeration DateJuly 25, 2006
Last NPPES UpdateJanuary 12, 2025
NPPES CertifiedJanuary 12, 2025
✔ NPI 1134142193 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 036089949
Definition
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.
2701 W 68TH ST, Chicago, IL 60629
Open in Google Maps ↗

Other Names 1

Professional Name (2)Dr. Lillian Rochelle San Juan De Leon Md

Other Identifiers 2

Medicaid036089949IL
Medicaid0360899492IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter Health, Ambetter Health of Delaware.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

Dr. Lillian Rochelle S J De Leon 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 ID1355510397
PECOS Enrollment IDI20110809000718
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 8

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.

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.
318 services93 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.
86 services47 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.
45 services45 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
21 services16 patients
Telephone medical discussion with physician, 11-20 minutes 99442
This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.
18 services14 patients
Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a G0179
This procedure involves a doctor or approved practitioner reviewing your health status and re-certifying your need for Medicare-covered home health services. It includes communication with the home health agency and assessment of your health reports, even when you're not physically present.
16 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Mt Sinai Hospital Medical Center

Acute Care Hospitals · Chicago, IL
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140018
Location1500 S Fairfield AveChicago, IL 60608 · Cook County
Emergency services Birthing friendly

Holy Cross Hospital

Acute Care Hospitals · Chicago, IL
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140133
Location2701 W 68th StreetChicago, IL 60629 · Cook County
Emergency services

Advocate Christ Hospital & Medical Center

Acute Care Hospitals · Oak Lawn, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140208
Location4440 W 95th StreetOak Lawn, IL 60453 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60629 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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
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.

Reported Quality Measures

Breast Cancer Screening
Percentage of women 50-74 years of age who had a mammogram to screen for breast cancer
64%366 patients3/55-star benchmark: 92%
Diabetes: Foot Exam
The percentage of patients 18-75 years of age with diabetes (type 1 and type 2) who received a foot exam (visual inspection and sensory exam with mono filament and a pulse exam) during the measurement year
74%57 patients4/55-star benchmark: 98%
Diabetes: Medical Attention for Nephropathy
The percentage of patients 18-75 years of age with diabetes who had a nephropathy screening test or evidence of nephropathy during the measurement period
72%57 patients3/55-star benchmark: 99%
Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
58%3,612 patients1/55-star benchmark: 100%
Use of High-Risk Medications in the Elderly
Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.
Lower rates are better for this measure.
Patients 2+: 1% · 313 patients
5%313 patients4/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 9

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
11 suppliers38 claims97 services$6.25 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
5 suppliers15 claims19 services$1.08 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
4 suppliers12 claims72 services$1.61 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
2 suppliers36 claims38 services$14.93 avg. paid by Medicare
Nebulizer, with compressor E0570
DME-Other DME · category DE000N
4 suppliers16 claims16 services$1.26 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers49 claims51 services$63.42 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.

DR. KENYATTA JAMAL FRAZIER M.D.
Emergency Medicine
2701 W 68TH ST
CHICAGO, IL 60629
Cook County (773) 884-9000
RALPH JACKSON D.O.
Emergency Medicine
2701 W 68TH ST
CHICAGO, IL 60629
Cook County (773) 471-8000
DR. SUNITA SINGH M.D.
Internal Medicine
2701 W 68TH ST
CHICAGO, IL 60629
Cook County (773) 884-7920
LYNNE WENTZ
Registered Nurse (Diabetes Educator)
2701 W 68TH ST, RM.S 409
CHICAGO, IL 60629
Cook County (773) 884-9899
REBEKAH RAEBURN LCSW
Social Worker (Clinical)
2701 W 68TH ST
CHICAGO, IL 60629
Cook County (773) 565-2550
SARAH ARGENTINE AGPCNP-BC
Nurse Practitioner (Adult Health)
2701 W 68TH ST
CHICAGO, IL 60629
Cook County (773) 884-9000
PAMELA E SMITH MD MPH CHES SC
Obstetrics & Gynecology
2701 W 68TH ST
CHICAGO, IL 60629
Cook County (773) 884-7920
MOUNT SINAI COMMUNITY FOUNDATION DBA SINAI MEDICAL GROUP
Clinic/Center (Rehabilitation, Substance Use Disorder)
2701 W 68TH ST
CHICAGO, IL 60629
Cook County (773) 849-9000

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 Lillian De Leon's NPI number?

The NPI number for Lillian De Leon is 1134142193. It was assigned to this individual provider in the NPPES registry on July 25, 2006. The provider is also known as Dr. Lillian Rochelle San Juan De Leon MD.

Where is Lillian De Leon located?

Lillian De Leon practices at 2701 W 68th St 3rd Floor Suite N, Chicago, IL 60629. The listed phone number is (773) 884-7922.

What is Lillian De Leon's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Lillian De Leon enrolled in Medicare?

Yes. Lillian De Leon 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 Lillian De Leon accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Lillian De Leon 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 Lillian De Leon affiliated with any hospitals?

According to CMS data, Lillian De Leon is affiliated with Mt Sinai Hospital Medical Center, Holy Cross Hospital and Advocate Christ Hospital & Medical Center.

When was this NPI record last updated?

The NPPES record for Lillian De Leon was last updated on January 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.