IRUM NAWAZ KHAN MD
NPI 1265849160
Anesthesiology in New Haven, CT

Q: What is Irum Khan's NPI number?

The NPI number for Irum Khan is 1265849160. It was assigned to this individual provider in the NPPES registry on July 13, 2014.

Q: What is Irum Khan's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Irum Khan was last updated on April 20, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

Active since July 13, 2014PECOS EnrolledAccepts Medicare Assignment

333 CEDAR ST # TMP3, NEW HAVEN, CT 06510(203) 785-2802(203) 785-6664 Get Directions Write a Review

NPPES record last updated: April 20, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 20, 2021, Apr 15, 2021 (2 updates tracked since 2021).

On this page

About Irum Nawaz Khan Md NPPES

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

IRUM NAWAZ KHAN MD (NPI 1265849160) is an individual anesthesiology provider in New Haven, Connecticut, licensed in Connecticut (64622) and active in the NPI registry since July 2014. She is enrolled in Medicare PECOS and is a graduate of Other (2007).

NPPES Registry Identity

NPI1265849160

Entity TypeIndividualFemale

Primary Taxonomy207L00000X

Provider Legal NameIRUM NAWAZ KHANCredential: MD

Location Address333 CEDAR ST # TMP3New Haven, CT 06510-3206

Mailing Address333 Cedar St # Tmp3New Haven, CT 06510-3206 · (203) 785-2802 · Fax (203) 785-6664

Phone(203) 785-2802

Fax(203) 785-6664

Sole ProprietorNo

Medical School CMSOtherGraduated 2007

Enumeration DateJuly 13, 2014

Last NPPES UpdateApril 20, 20212 updates tracked since enumeration

NPPES CertifiedApril 20, 2021

✔ NPI 1265849160 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207L00000X

License✔ Licensed in CT · 64622

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.

Also ListedAnesthesiology · Critical Care MedicineTaxonomy 207LC0200X · License 64622 (CT)

Also ListedSurgeryTaxonomy 208600000X · License 201155 (NC)

333 CEDAR ST # TMP3, New Haven, CT 06510

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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

Irum Nawaz Khan 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 ID2769891910

PECOS Enrollment IDI20221206002733

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 Reassignments

Medicare enrollment records show Irum Khan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of California San Francisco

2,621 mi

Surgery

400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143

Reassigned Medicare billing, California enrollment
5,645 clinicians in this Medicare group

NPI 1346329380 (415) 353-2161

Ucsf Medical Group Business Services

2,621 mi

Internal Medicine

400 PARNASSUS AVE
San Francisco, CA 94122

Reassigned Medicare billing, California enrollment
5,544 clinicians in this Medicare group

NPI 1477624104 (415) 353-2808

University Anesthesia Medical Group

2,621 mi

Anesthesiology

505 PARNASSUS AVE
San Francisco, CA 94143

Reassigned Medicare billing, California enrollment
723 clinicians in this Medicare group

NPI 1528137296 (415) 476-1000

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

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Anesthesia for other procedure on large bowel using an endoscope 00811

Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.

32 services32 patients

Insertion of artery tube for blood sampling or infusion through skin 36620

This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.

22 services22 patients

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731

This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.

20 services20 patients

Anesthesia for x-ray or radiation therapy 01922

Anesthesia for x-ray or radiation therapy involves administering medication to help you relax or sleep during the procedure. It's used to ensure comfort, minimize movement, and reduce anxiety. The type of anesthesia used depends on the procedure and patient's health.

17 services17 patients

Anesthesia for extensive surgery on spine 00670

Anesthesia for extensive spine surgery involves medication to block pain and make you unconscious during the procedure. It ensures comfort and prevents movement. Two types may be used: general (you sleep) or regional (numbs a large area). The choice depends on the surgery specifics and your health.

16 services16 patients

Anesthesia for procedure on gallbladder, pancreas, or liver using an endoscope 00732

This procedure involves using an endoscope, a flexible tube with a light and camera, to examine or treat your gallbladder, pancreas, or liver. Anesthesia is administered to ensure you're comfortable and pain-free during the procedure.

16 services15 patients

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MEHMET S OZCAN MD

Anesthesiology

333 CEDAR ST # TMP3
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 785-2802

DAVID KIAMANESH M.D.

Anesthesiology (Critical Care Medicine)

333 CEDAR ST # TMP3
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 785-2802

SHANNAN LYNNE TREBING CRNA

Nurse Anesthetist, Certified Registered

333 CEDAR ST # TMP3
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 785-2802

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 Irum Khan's NPI number?

The NPI number for Irum Khan is 1265849160. It was assigned to this individual provider in the NPPES registry on July 13, 2014.

Where is Irum Khan located?

Irum Khan practices at 333 Cedar St # Tmp3, New Haven, CT 06510. The listed phone number is (203) 785-2802.

What is Irum Khan's specialty?

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

Is Irum Khan enrolled in Medicare?

Yes. Irum Khan 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 organizations bill Medicare for Irum Khan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Irum Khan reassigns Medicare benefits to 3 organizations: University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and University Anesthesia Medical Group (San Francisco, CA). Each 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 Irum Khan'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 Irum Khan was last updated on April 20, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.