1. Home
  2. Directory
  3. Illinois
  4. Maywood
  5. Anesthesiology
  6. NPI Profile

JAMES LOO MD
NPI 1427028836
Anesthesiology in Maywood, IL

Active since January 26, 2006PECOS EnrolledAccepts Medicare Assignment
2160 S 1ST AVE, BLGD., 103, RM. 3102, MAYWOOD, IL 60153(708) 216-6462(708) 216-1249 Get Directions Write a Review

NPPES record last updated: October 27, 2009. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About James Loo Md NPPES

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

JAMES LOO MD (NPI 1427028836) is an individual anesthesiology provider in Maywood, Illinois, licensed in Illinois (36084137) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Adventist Hinsdale Hospital, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (1989).

NPPES Registry Identity

NPI1427028836
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameJAMES LOOCredential: MD
Location Address2160 S 1ST AVE, BLGD., 103, RM. 3102Maywood, IL 60153
Mailing Address2160 S 1st Ave, Blgd., 103, Rm. 3102Maywood, IL 60153 · (708) 216-6462 · Fax (708) 216-1249
Phone(708) 216-6462
Fax(708) 216-1249
Sole ProprietorNo
Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 1989
Enumeration DateJanuary 26, 2006
Last NPPES UpdateOctober 27, 2009
✔ NPI 1427028836 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in IL · 36084137
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
2160 S 1ST AVE, Maywood, IL 60153
Open in Google Maps ↗

Other Identifiers 4

Medicaid36084137IL
Medicare ID-Type UnspecifiedL80690IL
Medicare UPINF58857
Medicare ID-Type Unspecified994920IL

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

James Loo 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 ID8729016738
PECOS Enrollment IDI20050801000644
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 James Loo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Northstar Anesthesia Of Illinois, LLC
807 mi
Anesthesiology
2000 E LAMAR BLVD STE 400
Arlington, TX 76006
  • Reassigned Medicare billing, Illinois enrollment
  • 735 clinicians in this Medicare group
NPI 1962822395 (817) 583-7421

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

Hospital Affiliations CMS Care Compare

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

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

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.

ANITA OZA NAGAMINE M.D.
Radiology (Diagnostic Radiology)
2160 S 1ST AVE
MAYWOOD, IL 60153
Cook County (708) 216-9000
DR. BRYCE ANDREW PASCHOLD D.P.M.
Podiatrist (Foot & Ankle Surgery)
2160 S 1ST AVE
MAYWOOD, IL 60153
Cook County (708) 216-4254
DR. ANTONIO HERNANDO IGLESIAS M.D.
Psychiatry & Neurology (Neurology)
2160 S 1ST AVE
MAYWOOD, IL 60153
Cook County (708) 216-9000
IAN CHARLES MCCOMB
Oral & Maxillofacial Surgery
2160 S 1ST AVE
MAYWOOD, IL 60153
Cook County (708) 216-9000
JAMES WU D.O.
Psychiatry & Neurology (Psychiatry)
2160 S 1ST AVE
MAYWOOD, IL 60153
Cook County (708) 216-9000
PAIGE T SONG MD
Student in an Organized Health Care Education/Training Program
2160 S 1ST AVE
MAYWOOD, IL 60153
Cook County (888) 584-7888
ELIZABETH CHO
Orthopaedic Surgery
2160 S 1ST AVE
MAYWOOD, IL 60153
Cook County (708) 216-1274
DR. CATHRYN T SAWALSKI DO, MBA
Internal Medicine
2160 S 1ST AVE
MAYWOOD, IL 60153
Cook County (888) 584-7888

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 James Loo's NPI number?

The NPI number for James Loo is 1427028836. It was assigned to this individual provider in the NPPES registry on January 26, 2006.

Where is James Loo located?

James Loo practices at 2160 S 1st Ave Blgd., 103, Rm. 3102, Maywood, IL 60153. The listed phone number is (708) 216-6462.

What is James Loo's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is James Loo enrolled in Medicare?

Yes. James Loo 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 James Loo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Loo reassigns Medicare benefits to Northstar Anesthesia Of Illinois, LLC (Arlington, 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 James Loo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is James Loo affiliated with any hospitals?

According to CMS data, James Loo is affiliated with Adventist Hinsdale Hospital.

When was this NPI record last updated?

The NPPES record for James Loo was last updated on October 27, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.