RACHNA RANGAN
NPI 1639788854
Psychologist - Clinical in Palo Alto, CA

Q: What is Rachna Rangan's NPI number?

The NPI number for Rachna Rangan is 1639788854. It was assigned to this individual provider in the NPPES registry on July 23, 2020.

Q: What is Rachna Rangan's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Q: Is Rachna Rangan enrolled in Medicare?

No. Rachna Rangan has opted out of Medicare through October 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

Q: When was this NPI record last updated?

The NPPES record for Rachna Rangan was last updated on July 23, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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 23, 2020Opted out of Medicare · through Oct 1, 2027

825 SAN ANTONIO RD STE 108, PALO ALTO, CA 94303(650) 434-3076 Get Directions Write a Review

NPPES record last updated: July 23, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Rachna Rangan NPPES

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

RACHNA RANGAN (NPI 1639788854) is an individual clinical provider in Palo Alto, California, licensed in California (PSY29636) and active in the NPI registry since July 2020. She has opted out of Medicare through October 1, 2027.

NPPES Registry Identity

NPI1639788854

Entity TypeIndividualFemale

Primary Taxonomy103TC0700X

Provider Legal NameRACHNA RANGAN

Location Address825 SAN ANTONIO RD STE 108Palo Alto, CA 94303-4620

Mailing Address825 San Antonio Rd Ste 108Palo Alto, CA 94303-4620 · (650) 434-3076

Phone(650) 434-3076

Sole ProprietorNo

Enumeration DateJuly 23, 2020

NPPES CertifiedJuly 23, 2020

✔ NPI 1639788854 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

License✔ Licensed in CA · PSY29636

Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

825 SAN ANTONIO RD STE 108, Palo Alto, CA 94303

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Rachna Rangan has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from October 1, 2025 through October 1, 2027.

Opt-Out Effective DateOctober 1, 2025

Opt-Out In Effect ThroughOctober 1, 2027Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES

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

PALO ALTO SMART THERAPY

Psychologist

825 SAN ANTONIO RD STE 108
PALO ALTO, CA 94303

San Mateo County (650) 248-0754

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 Rachna Rangan's NPI number?

The NPI number for Rachna Rangan is 1639788854. It was assigned to this individual provider in the NPPES registry on July 23, 2020.

Where is Rachna Rangan located?

Rachna Rangan practices at 825 San Antonio Rd Ste 108, Palo Alto, CA 94303. The listed phone number is (650) 434-3076.

What is Rachna Rangan's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Rachna Rangan enrolled in Medicare?

No. Rachna Rangan has opted out of Medicare through October 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Rachna Rangan was last updated on July 23, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.