DR. NIRAJ NIJHAWAN MD
NPI 1255448619
Anesthesiology in Milwaukee, WI

Active since August 23, 2006PECOS Enrolled
945 N 12TH ST, OBSTETRICAL ANESTHESIOLOGY, MILWAUKEE, WI 53233(414) 750-4646 Get Directions Write a Review

NPPES record last updated: February 27, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 27, 2025, Mar 7, 2023, Nov 23, 2021 (3 updates tracked since 2021).

About Dr. Niraj Nijhawan Md NPPES

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

DR. NIRAJ NIJHAWAN MD (NPI 1255448619) is an individual anesthesiology provider in Milwaukee, Wisconsin, licensed in Wisconsin (36030) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1255448619
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. NIRAJ NIJHAWANCredential: MD
Location Address945 N 12TH ST, OBSTETRICAL ANESTHESIOLOGYMilwaukee, WI 53233
Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250
Sole ProprietorNo
Enumeration DateAugust 23, 2006
Last NPPES UpdateFebruary 27, 20253 updates tracked since enumeration
NPPES CertifiedFebruary 27, 2025
NPI 1255448619 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License Licensed in WI · 36030
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.
945 N 12TH ST, Milwaukee, WI 53233

Other Identifiers 1

Medicaid32235300WI

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Niraj Nijhawan Md 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.

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.

Student in an Organized Health Care Education/Training Program
945 N 12TH ST
MILWAUKEE, WI 53233
Family Medicine
945 N 12TH ST
MILWAUKEE, WI 53233
Nurse Practitioner
945 N 12TH ST
MILWAUKEE, WI 53233
Physician Assistant
945 N 12TH ST
MILWAUKEE, WI 53233
Emergency Medicine
945 N 12TH ST
MILWAUKEE, WI 53233
Registered Nurse
945 N 12TH ST
MILWAUKEE, WI 53233
Registered Nurse (Registered Nurse First Assistant)
945 N 12TH ST
MILWAUKEE, WI 53233
Clinic/Center (Federally Qualified Health Center (FQHC))
945 N 12TH ST, URGENT CARE
MILWAUKEE, WI 53233

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 Niraj Nijhawan's NPI number?

The NPI number for Niraj Nijhawan is 1255448619. It was assigned to this individual provider in the NPPES registry on August 23, 2006.

Where is Niraj Nijhawan located?

Niraj Nijhawan practices at 945 N 12th St Obstetrical Anesthesiology, Milwaukee, WI 53233. The listed phone number is (414) 750-4646.

What is Niraj Nijhawan's specialty?

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

Is Niraj Nijhawan enrolled in Medicare?

Yes. Niraj Nijhawan is registered in the Medicare PECOS enrollment system.

What insurance does Niraj Nijhawan accept?

Health plans from CareSource (Common Ground Healthcare) list Niraj Nijhawan 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 Niraj Nijhawan was last updated on February 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.