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

ARUNABHA BASU
NPI 1346694411
Anesthesiology in Santa Clara, CA

Active since April 14, 2016PECOS EnrolledAccepts Medicare Assignment
700 LAWRENCE EXPY DEPT 200, SANTA CLARA, CA 95051(408) 851-1000 Get Directions Write a Review

NPPES record last updated: October 5, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 5, 2022, Jun 10, 2021, Mar 17, 2018 and 1 more (4 updates tracked since 2017).

About Arunabha Basu NPPES

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

ARUNABHA BASU (NPI 1346694411) is an individual anesthesiology provider in Santa Clara, California, licensed in California (A173171) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Georgetown University School Of Medicine (2016).

NPPES Registry Identity

NPI1346694411
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameARUNABHA BASU
Location Address700 LAWRENCE EXPY DEPT 200Santa Clara, CA 95051-5173
Mailing Address700 Lawrence Expy Dept 200Santa Clara, CA 95051-5173 · (408) 851-1000
Phone(408) 851-1000
Sole ProprietorNo
Medical School CMSGeorgetown University School Of MedicineGraduated 2016
Enumeration DateApril 14, 2016
Last NPPES UpdateOctober 5, 20224 updates tracked since enumeration
NPPES CertifiedSeptember 25, 2022
✔ NPI 1346694411 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in CA · A173171✔ Licensed in IL · 125.069752
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.
700 LAWRENCE EXPY DEPT 200, Santa Clara, CA 95051
Open in Google Maps ↗

Secondary Practice Locations 3

Location 1150 Bergen St, UH I-248Newark, NJ 07103-2496 · Phone (973) 972-6056
Location 2300 Pasteur DrStanford, CA 94305-2200 · Phone (650) 723-6412
Location 35841 S Maryland Ave # Mc4028Chicago, IL 60637-1447 · Phone (773) 702-6842 · Fax (773) 834-0063

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

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

Arunabha Basu 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 ID1557633351
PECOS Enrollment IDI20230130001681
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 Arunabha Basu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
3.7 mi
Internal Medicine
710 LAWRENCE EXPRESSWAY
Santa Clara, CA 95051
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1073606299 (408) 851-1000

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 3

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

PRACHI ANSHU MD
Anesthesiology
700 LAWRENCE EXPY DEPT 200
SANTA CLARA, CA 95051
Santa Clara County (408) 851-6020
GIANG THANH LE M.D.
Anesthesiology
700 LAWRENCE EXPY DEPT 200
SANTA CLARA, CA 95051
Santa Clara County (408) 851-6137
DR. CURTIS EDWARD DARLING II MD
Anesthesiology
700 LAWRENCE EXPY DEPT 200
SANTA CLARA, CA 95051
Santa Clara County (408) 851-1000

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 Arunabha Basu's NPI number?

The NPI number for Arunabha Basu is 1346694411. It was assigned to this individual provider in the NPPES registry on April 14, 2016.

Where is Arunabha Basu located?

Arunabha Basu practices at 700 Lawrence Expy Dept 200, Santa Clara, CA 95051. The listed phone number is (408) 851-1000.

What is Arunabha Basu's specialty?

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

Is Arunabha Basu enrolled in Medicare?

Yes. Arunabha Basu 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 organization bills Medicare for Arunabha Basu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Arunabha Basu reassigns Medicare benefits to Permanente Medical Group Inc (Santa Clara, CA). 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 Arunabha Basu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Arunabha Basu accept?

Health plans from Oscar Health list Arunabha Basu 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 Arunabha Basu was last updated on October 5, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.