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

JOAN NICOLE BUEN M.D.
NPI 1316301351
Pediatrics - Pediatric Critical Care Medicine in Chicago, IL

Active since April 06, 2016PECOS Enrolled
5841 S MARYLAND AVE, CHICAGO, IL 60637(773) 702-4281 Get Directions Write a Review

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

About Joan Nicole Buen M.d. NPPES

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

JOAN NICOLE BUEN M.D. (NPI 1316301351) is an individual pediatric critical care medicine provider in Chicago, Illinois, licensed in Illinois (125.075855) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS and maintains a secondary practice location in Brooklyn.

NPPES Registry Identity

NPI1316301351
Entity TypeIndividualFemale
Primary Taxonomy2080P0203X
Provider Legal NameJOAN NICOLE BUENCredential: M.D.
Location Address5841 S MARYLAND AVEChicago, IL 60637-1443
Mailing Address180 Harvester Dr Ste 110Burr Ridge, IL 60527-6686 · (773) 702-1150
Phone(773) 702-4281
Sole ProprietorYes
Enumeration DateApril 6, 2016
Last NPPES UpdateApril 28, 2020
NPPES CertifiedApril 28, 2020
✔ NPI 1316301351 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0203X
License✔ Licensed in IL · 125.075855
Definition
A pediatrician expert in advanced life support for children from the term or near-term neonate to the adolescent. This competence extends to the critical care management of life-threatening organ system failure from any cause in both medical and surgical patients and to the support of vital physiological functions. This specialist may have administrative responsibilities for intensive care units and also facilitates patient care among other specialists.
5841 S MARYLAND AVE, Chicago, IL 60637
Open in Google Maps ↗

Secondary Practice Location 1

Location 14802 10th Avenue, Maimonides Medical CenterBrooklyn, NY 11219 · Phone (718) 283-6000

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Moda Health Plan, Inc..Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Joan Nicole Buen M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Joan Buen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Texas Children's Physician Group
940 mi
Pediatrics
6621 FANNIN ST
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Texas Childrens Physician Group
  • 2,498 clinicians in this Medicare group
NPI 1861675506 (832) 824-1000

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

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. DON MARTINEZ M.D.
Radiology (Diagnostic Radiology)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (773) 926-8318
ALEXANDRA DUMITRESCU
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (888) 824-0200
PELEG HOROWITZ
Neurological Surgery
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (888) 824-0200
SANDEEP GURBUXANI
Pathology (Hematology)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (888) 824-0200
DR. NIREN GANDRA M.D.
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (773) 702-0240
ALLIE DAKROUB MD MS
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (773) 702-1000
SCOTT VASHER MD
Internal Medicine (Pulmonary Disease)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (773) 702-1000
DR. NATHAN CHARLES NOWALK M.D.
Internal Medicine (Pulmonary Disease)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (888) 824-0200

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 Joan Buen's NPI number?

The NPI number for Joan Buen is 1316301351. It was assigned to this individual provider in the NPPES registry on April 6, 2016.

Where is Joan Buen located?

Joan Buen practices at 5841 S Maryland Ave, Chicago, IL 60637. The listed phone number is (773) 702-4281.

What is Joan Buen's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.

Is Joan Buen enrolled in Medicare?

Yes. Joan Buen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Joan Buen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joan Buen reassigns Medicare benefits to Texas Children's Physician Group (Houston, TX). 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 Joan Buen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Joan Buen accept?

Health plans from Moda Health Plan, Inc. list Joan Buen 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.

When was this NPI record last updated?

The NPPES record for Joan Buen was last updated on April 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.