DR. LAUREN ELIZABETH FENG MD
NPI 1437680279
Family Medicine in Naperville, IL

Active since March 23, 2017PECOS EnrolledAccepts Medicare Assignment
1247 RICKERT DR STE 201, NAPERVILLE, IL 60540(630) 357-7979(630) 357-1047 Get Directions Write a Review

NPPES record last updated: June 6, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 6, 2026, Mar 23, 2017 (2 updates tracked since 2017).

About Dr. Lauren Elizabeth Feng Md NPPES

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

DR. LAUREN ELIZABETH FENG MD (NPI 1437680279) is an individual family medicine provider in Naperville, Illinois, licensed in Illinois (036161913) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS, is affiliated with Swedish Hospital, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1437680279
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. LAUREN ELIZABETH FENGCredential: MD
Location Address1247 RICKERT DR STE 201Naperville, IL 60540-8213
Mailing Address2650 Ridge Ave Ste 1223Evanston, IL 60201-1700 · (847) 570-2040 · Fax (847) 570-5315
Fax(630) 357-1047
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateMarch 23, 2017
Last NPPES UpdateJune 6, 20262 updates tracked since enumeration
NPPES CertifiedJune 6, 2026
NPI 1437680279 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in IL · 036161913
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1247 RICKERT DR STE 201, Naperville, IL 60540

Accepted 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. Lauren Elizabeth Feng 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 ID9931512613
PECOS Enrollment IDI20221116001274
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 5

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 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.
108 services85 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.
72 services59 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.
18 services18 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
12 services12 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.
12 services12 patients

Hospital Affiliations CMS Care Compare 2

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

Swedish Hospital

Acute Care Hospitals · Chicago, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140114
Location5145 N California AveChicago, IL 60625 · Cook County
Emergency services Birthing friendly

Edward Hospital

Acute Care Hospitals · Naperville, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140231
Location801 South WashingtonNaperville, IL 60540 · Du Page County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60540 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
$93.02 typical visit price
range $59.81 – $181.38
Typical copayment $23.25 (range $14.95 – $45.34)
Most-billed visit code 99203
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
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.

Referred Medical Equipment & Supplies CMS DME claims 3

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

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260
DME-Hospital Beds · category DB000N
1 supplier11 claims12 services$60.80 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 suppliers12 claims12 services$91.55 avg. paid by Medicare
Standard wheelchair K0001
DME-Wheelchairs · category DD000N
1 supplier11 claims12 services$23.53 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 5

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

Counselor (Professional)
1247 RICKERT DR STE 201
NAPERVILLE, IL 60540
Family Medicine
1247 RICKERT DR STE 201
NAPERVILLE, IL 60540
Physician Assistant
1247 RICKERT DR STE 201
NAPERVILLE, IL 60540
Nurse Practitioner
1247 RICKERT DR STE 201
NAPERVILLE, IL 60540
Social Worker (Clinical)
1247 RICKERT DR STE 201
NAPERVILLE, IL 60540

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 Lauren Feng's NPI number?

The NPI number for Lauren Feng is 1437680279. It was assigned to this individual provider in the NPPES registry on March 23, 2017.

Where is Lauren Feng located?

Lauren Feng practices at 1247 Rickert Dr Ste 201, Naperville, IL 60540. The listed phone number is (630) 357-7979.

What is Lauren Feng's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Lauren Feng enrolled in Medicare?

Yes. Lauren Feng 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 Lauren Feng accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Lauren Feng 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 Lauren Feng affiliated with any hospitals?

According to CMS data, Lauren Feng is affiliated with Swedish Hospital and Edward Hospital.

When was this NPI record last updated?

The NPPES record for Lauren Feng was last updated on June 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 59 days 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.