1. Home
  2. Directory
  3. California
  4. Anaheim
  5. Anesthesiology
  6. NPI Profile

D LALANI PERERA-THANGARATNAM MD
NPI 1144334228
Anesthesiology in Anaheim, CA

Active since August 18, 2006PECOS Enrolled
1111 W LA PALMA AVE, ANAHEIM, CA 92801(714) 774-1450 Get Directions Write a Review

NPPES record last updated: November 2, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About D Lalani Perera-thangaratnam Md NPPES

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

D LALANI PERERA-THANGARATNAM MD (NPI 1144334228) is an individual anesthesiology provider in Anaheim, California, licensed in California (A70242) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1144334228
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameD LALANI PERERA-THANGARATNAMCredential: MD
Location Address1111 W LA PALMA AVEAnaheim, CA 92801-2804
Mailing Address5 Holland Ste 101Irvine, CA 92618-2568 · (949) 588-2190 · Fax (949) 588-2199
Phone(714) 774-1450
Sole ProprietorNo
Enumeration DateAugust 18, 2006
Last NPPES UpdateNovember 2, 2007
✔ NPI 1144334228 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A70242
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.
1111 W LA PALMA AVE, Anaheim, CA 92801
Open in Google Maps ↗

Other Identifiers 2

Medicare ID-Type UnspecifiedA70242CA
Medicaid00A702420CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

D Lalani Perera-thangaratnam 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.

Medicare Billing Reassignments

3

Medicare enrollment records show D Lalani Perera-thangaratnam reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

D Lalani Perera-Thangaratnam MD Inc
0.1 mi
Pain Medicine
1111 W LA PALMA AVE
Anaheim, CA 92801
  • Reassigned Medicare billing, California enrollment
NPI 1164621892 (714) 774-1450
Anesthesia Specialists Of Orange County, Inc.
0.1 mi
Anesthesiology
1211 W LA PALMA AVE, SUITE 209
Anaheim, CA 92801
  • Reassigned Medicare billing, California enrollment
  • 73 clinicians in this Medicare group
NPI 1134311319 (877) 594-2787
West Coast Anesthesia Inc A Medical Group
21 mi
Anesthesiology
23961 CALLE DE LA MAGDALENA, SUITE 541
Laguna Hills, CA 92653
  • Reassigned Medicare billing, California enrollment
  • 20 clinicians in this Medicare group
NPI 1972634020 (949) 287-5600

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 3

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 procedure on small and large bowel using an endoscope 00813
Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.
105 services105 patients
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.
84 services84 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.
48 services47 patients

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.

ERNESTO P GIDAYA MD
Anesthesiology
1111 W LA PALMA AVE
ANAHEIM, CA 92801
Orange County (714) 774-1450
MR. JORGE ROMERO JR.
Social Worker (Clinical)
1111 W LA PALMA AVE
ANAHEIM, CA 92801
Orange County (714) 774-1450
ANAHIEM MEMORIAL MEDICAL CENTER
General Acute Care Hospital
1111 W LA PALMA AVE, 1111 W LA PALMA AVENUE
ANAHEIM, CA 92801
Orange County (714) 999-3800
DR. JAKLYN RAE MCCLENDON M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
1111 W LA PALMA AVE, AMMC - DEPT. OF PATHOLOGY
ANAHEIM, CA 92801
Orange County (714) 999-6075
ANAHEIM EMERGENCY MEDICAL GROUP
Emergency Medicine
1111 W LA PALMA AVE
ANAHEIM, CA 92801
Orange County (714) 774-1450
D LALANI PERERA-THANGARATNAM MD INC
Anesthesiology (Pain Medicine)
1111 W LA PALMA AVE
ANAHEIM, CA 92801
Orange County (714) 774-1450
LEI ZHANG M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
1111 W LA PALMA AVE
ANAHEIM, CA 92801
Orange County (714) 774-1450
VIJAY K WALI MD
Emergency Medicine
1111 W LA PALMA AVE
ANAHEIM, CA 92801
Orange County (714) 774-1450

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 D Lalani Perera-thangaratnam's NPI number?

The NPI number for D Lalani Perera-thangaratnam is 1144334228. It was assigned to this individual provider in the NPPES registry on August 18, 2006.

Where is D Lalani Perera-thangaratnam located?

D Lalani Perera-thangaratnam practices at 1111 W La Palma Ave, Anaheim, CA 92801. The listed phone number is (714) 774-1450.

What is D Lalani Perera-thangaratnam's specialty?

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

Is D Lalani Perera-thangaratnam enrolled in Medicare?

Yes. D Lalani Perera-thangaratnam is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for D Lalani Perera-thangaratnam's services?

According to the CMS Revalidation Reassignment List (October 2026 release), D Lalani Perera-thangaratnam reassigns Medicare benefits to 3 organizations: D Lalani Perera-Thangaratnam MD Inc (Anaheim, CA), Anesthesia Specialists Of Orange County, Inc. (Anaheim, CA) and West Coast Anesthesia Inc A Medical Group (Laguna Hills, 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 D Lalani Perera-thangaratnam'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 D Lalani Perera-thangaratnam was last updated on November 2, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.