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OAK BROOK ANESTHESIOLOGISTS, LTD.
NPI 1881705937
Anesthesiology in Oak Brook, IL

Active since August 31, 2006
2425 W 22ND ST, SUITE 101, OAK BROOK, IL 60523(630) 990-2212(630) 990-3130 Get Directions Write a Review

NPPES record last updated: December 13, 2012. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Oak Brook Anesthesiologists, Ltd. NPPES

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

OAK BROOK ANESTHESIOLOGISTS, LTD. (NPI 1881705937) is a healthcare organization registered as an anesthesiology in Oak Brook, Illinois and active in the NPI registry since August 2006. The organization lists Kianoosh Jafari, Medical Director, as its authorized official.

NPPES Registry Identity

NPI1881705937
Entity TypeOrganization
Primary Taxonomy207L00000X
Legal Business NameOAK BROOK ANESTHESIOLOGISTS, LTD.
Location Address2425 W 22ND ST, SUITE 101Oak Brook, IL 60523-4642
Mailing Address2425 W 22nd St, Suite 101Oak Brook, IL 60523-4642 · (630) 990-2212 · Fax (630) 990-3130
Phone(630) 990-2212
Fax(630) 990-3130
Organization SubpartNo
Authorized OfficialKianoosh JafariMedical Director · (630) 990-7770
Enumeration DateAugust 31, 2006
Last NPPES UpdateDecember 13, 2012
✔ NPI 1881705937 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
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.
2425 W 22ND ST, Oak Brook, IL 60523
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Other Identifiers 1

Medicare UPIN371160IL

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

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Oak Brook Anesthesiologists, Ltd. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

63

Medicare enrollment records show 63 clinicians reassign Medicare billing to Oak Brook Anesthesiologists, Ltd., which bills Medicare for the services they deliver. Of these, 2 practice at this address and 7 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 2

Anesthesiology32
Certified Registered Nurse Anesthetist (CRNA)31

Nearest to this location (20)

See all 63
Hala Horani, MD
Anesthesiology
NPI 1710540877
2425 W 22ND ST STE 101
Oak Brook, IL 60523
(630) 990-2212
✔ PECOS✔ Accepts MedicareSame address
Bruce Nadro, D.O.
Anesthesiology
NPI 1649372392
2425 W 22ND ST SUITE 101
Oak Brook, IL 60523
(630) 990-2212
✔ PECOS✔ Accepts MedicareSame address
Kathryn Clemans
Certified Registered Nurse Anesthetist (CRNA)
NPI 1417574054
2160 S 1ST AVE
Maywood, IL 60153
(708) 216-9000
✔ PECOS✔ Accepts Medicare7.5 mi
Ge Li, MD, PH.D.
Anesthesiology
NPI 1891801064
2160 S 1ST AVE
Maywood, IL 60153
(708) 216-9000
✔ PECOS✔ Accepts Medicare7.5 mi
Caleb Demoss, DO
Anesthesiology
NPI 1609307552
2160 S 1ST AVE
Maywood, IL 60153
(708) 216-9169
✔ PECOS✔ Accepts Medicare7.5 mi
David Sum, M.D.
Anesthesiology
NPI 1477819258
2160 S 1ST AVE
Maywood, IL 60153
(708) 216-9000
✔ PECOS✔ Accepts Medicare7.5 mi
Audrey Less, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1396128393
701 W NORTH AVE
Melrose Park, IL 60160
(708) 681-3200
✔ PECOS✔ Accepts Medicare8.3 mi
Pankaj Haridas, MD
Anesthesiology
NPI 1669531208
8420 W BRYN MAWR AVE STE 300
Chicago, IL 60631
(708) 831-8282
✔ PECOS12 mi
Jaison Thekkekara, M.D.
Anesthesiology
NPI 1588015416
329 REMINGTON BLVD STE 205
Bolingbrook, IL 60440
(630) 226-1130
✔ PECOS12 mi
Stephanie Anzelc
Certified Registered Nurse Anesthetist (CRNA)
NPI 1184219164
5645 W ADDISON ST
Chicago, IL 60634
(773) 282-7000
✔ PECOS✔ Accepts Medicare13 mi
Andrew Kim, M.D.
Anesthesiology
NPI 1891115077
5645 W ADDISON ST
Chicago, IL 60634
(773) 282-7000
✔ PECOS✔ Accepts Medicare13 mi
Muzammil Soorma
Certified Registered Nurse Anesthetist (CRNA)
NPI 1992449094
5645 W ADDISON ST
Chicago, IL 60634
(740) 703-8108
✔ PECOS✔ Accepts Medicare13 mi
Elizandra Pierre, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1447489513
2875 W 19TH ST
Chicago, IL 60623
(773) 484-1000
✔ PECOS✔ Accepts Medicare14 mi
Constanta Alexandreanu, M.D.
Anesthesiology
NPI 1871543041
1501 S CALIFORNIA AVE
Chicago, IL 60608
(773) 257-6850
✔ PECOS✔ Accepts Medicare15 mi
Francesco Cardella, APRN, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1225415268
12251 S 80TH AVE
Palos Heights, IL 60463
(708) 923-4000
✔ PECOS15 mi
Kate Karabinos, APRN-CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1881102325
1775 DEMPSTER ST
Park Ridge, IL 60068
(847) 723-2210
✔ PECOS✔ Accepts Medicare15 mi
Phillip Nulman
Anesthesiology
NPI 1669939278
4400 W 95TH ST
Oak Lawn, IL 60453
(708) 684-5745
✔ PECOS✔ Accepts Medicare15 mi
Pradeep Chawla, DO
Anesthesiology
NPI 1851951578
1901 W HARRISON ST
Chicago, IL 60612
(312) 864-6000
✔ PECOS✔ Accepts Medicare16 mi
Rahul Guha, M.D.
Anesthesiology
NPI 1780888677
1740 W TAYLOR ST
Chicago, IL 60612
(312) 996-4020
✔ PECOS✔ Accepts Medicare16 mi
Tracy Bedford, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1477501534
PROVENA MERCY MEDICAL CENTER 1325 N. HIGHLAND AVENUE
Aurora, IL 60506
(630) 859-2222
✔ PECOS✔ Accepts Medicare18 mi
See all 63 clinicians

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

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 Oak Brook Anesthesiologists, Ltd.'s NPI number?

The NPI number for Oak Brook Anesthesiologists, Ltd. is 1881705937. It was assigned to this organization in the NPPES registry on August 31, 2006.

Where is Oak Brook Anesthesiologists, Ltd. located?

Oak Brook Anesthesiologists, Ltd. is located at 2425 W 22nd St Suite 101, Oak Brook, IL 60523. The listed phone number is (630) 990-2212.

What is Oak Brook Anesthesiologists, Ltd.'s specialty?

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

Is Oak Brook Anesthesiologists, Ltd. enrolled in Medicare?

Yes. Oak Brook Anesthesiologists, Ltd. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Oak Brook Anesthesiologists, Ltd.?

According to the CMS Revalidation Reassignment List (October 2026 release), 63 clinicians in 2 Medicare specialties reassign their Medicare billing to Oak Brook Anesthesiologists, Ltd.. A 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 the clinician's services. The largest specialties are Anesthesiology (32) and Certified Registered Nurse Anesthetist (CRNA) (31). Of these, 2 practice at this address and 7 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Oak Brook Anesthesiologists, Ltd. was last updated on December 13, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.