ALISA ATITAYA ARUNAMATA M.D.
NPI 1659507259
Pediatrics - Pediatric Cardiology in Palo Alto, CA

Active since June 09, 2009PECOS EnrolledAccepts Medicare Assignment
725 WELCH RD, PALO ALTO, CA 94304(650) 497-8000 Get Directions Write a Review

NPPES record last updated: April 11, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 11, 2024, Nov 25, 2019, Jan 14, 2016 (3 updates tracked since 2016).

About Alisa Atitaya Arunamata M.d. NPPES

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

ALISA ATITAYA ARUNAMATA M.D. (NPI 1659507259) is an individual pediatric cardiology provider in Palo Alto, California, licensed in California (A113223) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS and is a graduate of New York University Medical College - Nlg (2009).

NPPES Registry Identity

NPI1659507259
Entity TypeIndividualFemale
Primary Taxonomy2080P0202X
Provider Legal NameALISA ATITAYA ARUNAMATACredential: M.D.
Location Address725 WELCH RDPalo Alto, CA 94304-1601
Mailing Address725 Welch RdPalo Alto, CA 94304-1601 · (650) 497-8000
Sole ProprietorNo
Medical School CMSNew York University Medical College - NlgGraduated 2009
Enumeration DateJune 9, 2009
Last NPPES UpdateApril 11, 20243 updates tracked since enumeration
NPPES CertifiedApril 11, 2024
✔ NPI 1659507259 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0202X
License✔ Licensed in CA · A113223
Definition
A pediatric cardiologist provides comprehensive care to patients with cardiovascular problems. This specialist is skilled in selecting, performing and evaluating the structural and functional assessment of the heart and blood vessels, and the clinical evaluation of cardiovascular disease.
Also ListedPediatricsTaxonomy 208000000X · License A113223 (CA)
725 WELCH RD, Palo Alto, CA 94304

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

Alisa Atitaya Arunamata M.d. 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 ID2365629292
PECOS Enrollment IDI20110602000097
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 Alisa Arunamata reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Children
725 WELCH RD
Palo Alto, CA 94304
  • Reassigned Medicare billing, California enrollment
  • 3,617 clinicians in this Medicare group
General Acute Care Hospital
300 PASTEUR DRIVE
Stanford, CA 94305
  • Reassigned Medicare billing, California enrollment
  • 4,258 clinicians in this Medicare group
Mental Health (Including Community Mental Health Center)
231 GRANT AVENUE
Palo Alto, CA 94306
  • Reassigned Medicare billing, California enrollment
  • 2,460 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.

Occupational Therapist (Pediatrics)
725 WELCH RD
PALO ALTO, CA 94304
Nurse Practitioner (Neonatal)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics
725 WELCH RD
PALO ALTO, CA 94304
Anesthesiology (Pediatric Anesthesiology)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics (Pediatric Hematology-Oncology)
725 WELCH RD
PALO ALTO, CA 94304
Occupational Therapist
725 WELCH RD
PALO ALTO, CA 94304
Nurse Practitioner
725 WELCH RD
PALO ALTO, CA 94304
Hospitalist
725 WELCH RD
PALO ALTO, CA 94304

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 Alisa Arunamata's NPI number?

The NPI number for Alisa Arunamata is 1659507259. It was assigned to this individual provider in the NPPES registry on June 9, 2009.

Where is Alisa Arunamata located?

Alisa Arunamata practices at 725 Welch Rd, Palo Alto, CA 94304. The listed phone number is (650) 497-8000.

What is Alisa Arunamata's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.

Is Alisa Arunamata enrolled in Medicare?

Yes. Alisa Arunamata 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 Alisa Arunamata's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alisa Arunamata reassigns Medicare benefits to 3 organizations: Lpch Medical Group Div Of Lucile (Palo Alto, CA), Stanford Health Care (Stanford, CA) and County Of Santa Clara (Palo Alto, 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 Alisa Arunamata'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 Alisa Arunamata was last updated on April 11, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.