AYESHA CHATTERJI SUJAN
NPI 1275469223
Psychologist in Menlo Park, CA

Active since June 18, 2026PECOS Enrolled
321 MIDDLEFIELD RD, MENLO PARK, CA 94025(650) 497-8977 Get Directions Write a Review

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

About Ayesha Chatterji Sujan NPPES

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

AYESHA CHATTERJI SUJAN (NPI 1275469223) is an individual psychologist in Menlo Park, California, licensed in California (PSY35249) and active in the NPI registry since June 2026. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1275469223
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameAYESHA CHATTERJI SUJAN
Location Address321 MIDDLEFIELD RDMenlo Park, CA 94025-3500
Mailing Address3145 Porter DrPalo Alto, CA 94304-1224
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateJune 18, 2026
NPPES CertifiedJune 18, 2026
✔ NPI 1275469223 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License✔ Licensed in CA · PSY35249
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
321 MIDDLEFIELD RD, Menlo Park, CA 94025

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ayesha Chatterji Sujan is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3678039104
PECOS Enrollment IDI20260725000663
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

2

Medicare enrollment records show Ayesha Sujan reassigns Medicare billing to 2 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

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.

Physical Therapist (Pediatrics)
321 MIDDLEFIELD RD
MENLO PARK, CA 94025
Occupational Therapist (Pediatrics)
321 MIDDLEFIELD RD
MENLO PARK, CA 94025
General Acute Care Hospital (Children)
321 MIDDLEFIELD RD, SUITE 130
MENLO PARK, CA 94025
Dermatology
321 MIDDLEFIELD RD, STE #245
MENLO PARK, CA 94025
Speech-Language Pathologist
321 MIDDLEFIELD RD
MENLO PARK, CA 94025
Physical Therapy Assistant
321 MIDDLEFIELD RD
MENLO PARK, CA 94025
Nurse Practitioner (Obstetrics & Gynecology)
321 MIDDLEFIELD RD
MENLO PARK, CA 94025
Dermatology
321 MIDDLEFIELD RD
MENLO PARK, CA 94025

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 Ayesha Sujan's NPI number?

The NPI number for Ayesha Sujan is 1275469223. It was assigned to this individual provider in the NPPES registry on June 18, 2026.

Where is Ayesha Sujan located?

Ayesha Sujan practices at 321 Middlefield Rd, Menlo Park, CA 94025. The listed phone number is (650) 497-8977.

What is Ayesha Sujan's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is Ayesha Sujan enrolled in Medicare?

Yes. Ayesha Sujan is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ayesha Sujan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ayesha Sujan reassigns Medicare benefits to 2 organizations: Lpch Medical Group Div Of Lucile (Palo Alto, CA) and Stanford Health Care (Stanford, 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 Ayesha Sujan'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 Ayesha Sujan was last updated on June 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.