DAVID J LANG DO
NPI 1194868059
Anesthesiology in Chicago, IL

Active since February 14, 2007PECOS Enrolled
836 W WELLINGTON AVE, CHICAGO, IL 60657(773) 975-1600 Get Directions Write a Review

NPPES record last updated: October 17, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About David J Lang Do NPPES

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

DAVID J LANG DO (NPI 1194868059) is an individual anesthesiology provider in Chicago, Illinois and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1194868059
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDAVID J LANGCredential: DO
Location Address836 W WELLINGTON AVEChicago, IL 60657-5147
Mailing Address925 Sherwood DrLake Bluff, IL 60044-2203
Sole ProprietorNo
Enumeration DateFebruary 14, 2007
Last NPPES UpdateOctober 17, 2007
✔ NPI 1194868059 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.
836 W WELLINGTON AVE, Chicago, IL 60657

Other Identifiers 2

Medicare UPIND15783
Medicare PINK21414IL

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

David J Lang Do 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 David Lang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Anesthesiology
2900 N LAKE SHORE DR
Chicago, IL 60657
  • Reassigned Medicare billing, Illinois enrollment
  • 385 clinicians in this Medicare group

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.

Emergency Medicine
836 W WELLINGTON AVE
CHICAGO, IL 60657
Speech-Language Pathologist
836 W WELLINGTON AVE
CHICAGO, IL 60657
Internal Medicine (Sleep Medicine)
836 W WELLINGTON AVE
CHICAGO, IL 60657
Nurse Anesthetist, Certified Registered
836 W WELLINGTON AVE
CHICAGO, IL 60657
Anesthesiology
836 W WELLINGTON AVE
CHICAGO, IL 60657
Anesthesiology
836 W WELLINGTON AVE
CHICAGO, IL 60657
Dietitian, Registered
836 W WELLINGTON AVE, FOOD AND NUTRITION DEPT.
CHICAGO, IL 60657
Nurse Practitioner
836 W WELLINGTON AVE
CHICAGO, IL 60657

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 David Lang's NPI number?

The NPI number for David Lang is 1194868059. It was assigned to this individual provider in the NPPES registry on February 14, 2007.

Where is David Lang located?

David Lang practices at 836 W Wellington Ave, Chicago, IL 60657. The listed phone number is (773) 975-1600.

What is David Lang's specialty?

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

Is David Lang enrolled in Medicare?

Yes. David Lang is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for David Lang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Lang reassigns Medicare benefits to Midwest Anesthesia Partners, LLC (Chicago, IL). 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 David Lang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for David Lang was last updated on October 17, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.