MS. VIVIAN H DIEP MD
NPI 1093344913
Emergency Medicine in Chicago, IL

Active since April 02, 2020PECOS EnrolledAccepts Medicare Assignment
4646 N MARINE DR, CHICAGO, IL 60640(773) 878-8700 Get Directions Write a Review

NPPES record last updated: February 15, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Ms. Vivian H Diep Md NPPES

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

MS. VIVIAN H DIEP MD (NPI 1093344913) is an individual emergency medicine provider in Chicago, Illinois, licensed in Illinois (036.166004) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS, is affiliated with West Suburban Medical Center, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1093344913
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameMS. VIVIAN H DIEPCredential: MD
Location Address4646 N MARINE DRChicago, IL 60640-5759
Mailing Address740 N Aberdeen St Apt 1113Chicago, IL 60642-6074 · (612) 859-4657
Sole ProprietorYes
Medical School CMSTexas A & M University System, Hsc, College Of MedicineGraduated 2020
Enumeration DateApril 2, 2020
Last NPPES UpdateFebruary 15, 2024
NPPES CertifiedFebruary 15, 2024
NPI 1093344913 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in IL · 036.166004
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
4646 N MARINE DR, Chicago, IL 60640

Secondary Practice Locations 3

Location 14301 W Markham St # 584Little Rock, AR 72205-7101 · Phone (501) 686-6993
Location 21 Childrens Way # 584Little Rock, AR 72202-3500 · Phone (501) 686-6993
Location 33 Erie CtOak Park, IL 60302-2519 · Phone (708) 383-6200

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

Ms. Vivian H Diep 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 ID9335561943
PECOS Enrollment IDI20231009002709
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 3

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
156 services146 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
32 services32 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
15 services15 patients

Hospital Affiliations CMS Care Compare 5

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

West Suburban Medical Center

Acute Care Hospitals · Oak Park, IL
1/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140049
Location3 Erie CourtOak Park, IL 60302 · Cook County
Birthing friendly

Macneal Hospital

Acute Care Hospitals · Berwyn, IL
2/5 CMS rating
OwnershipProprietary
CMS Certification Number140054
Location3249 South Oak Park AvenueBerwyn, IL 60402 · Cook County
Emergency services Birthing friendly

Adventist La Grange Memorial Hospital

Acute Care Hospitals · La Grange, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140065
Location5101 S Willow Springs RdLa Grange, IL 60525 · Cook County
Emergency services

Adventist Hinsdale Hospital

Acute Care Hospitals · Hinsdale, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140122
Location120 North Oak StHinsdale, IL 60521 · Du Page County
Emergency services Birthing friendly

Uchicago Medicine Adventhealth Bolingbrook

Acute Care Hospitals · Bolingbrook, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140304
Location500 Remington BoulevardBolingbrook, IL 60440 · Will County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60640 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
$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.

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.

Internal Medicine
4646 N MARINE DR
CHICAGO, IL 60640
Internal Medicine
4646 N MARINE DR
CHICAGO, IL 60640
Anesthesiology
4646 N MARINE DR
CHICAGO, IL 60640
Chronic Disease Hospital
4646 N MARINE DR
CHICAGO, IL 60640
Orthopaedic Surgery
4646 N MARINE DR, SUITE 3A
CHICAGO, IL 60640
Psychiatry & Neurology (Neurology)
4646 N MARINE DR
CHICAGO, IL 60640
Speech-Language Pathologist
4646 N MARINE DR, OUTPATIENT PHYSICAL THERAPY DEPT. 1ST FLOOR
CHICAGO, IL 60640
Internal Medicine
4646 N MARINE DR
CHICAGO, IL 60640

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 Vivian Diep's NPI number?

The NPI number for Vivian Diep is 1093344913. It was assigned to this individual provider in the NPPES registry on April 2, 2020.

Where is Vivian Diep located?

Vivian Diep practices at 4646 N Marine Dr, Chicago, IL 60640. The listed phone number is (773) 878-8700.

What is Vivian Diep's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Vivian Diep enrolled in Medicare?

Yes. Vivian Diep 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.

Is Vivian Diep affiliated with any hospitals?

According to CMS data, Vivian Diep is affiliated with West Suburban Medical Center, Macneal Hospital, Adventist La Grange Memorial Hospital, Adventist Hinsdale Hospital and Uchicago Medicine Adventhealth Bolingbrook.

When was this NPI record last updated?

The NPPES record for Vivian Diep was last updated on February 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.