DR. DIANE CAROLE PETRONI PHD MFT
NPI 1235335951
Psychologist - Psychoanalysis in San Jose, CA

Q: What is Diane Petroni's NPI number?

The NPI number for Diane Petroni is 1235335951. It was assigned to this individual provider in the NPPES registry on June 21, 2007. The provider is also known as Diane Petroni Newhouse.

Q: What is Diane Petroni's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Psychoanalysis, with taxonomy code 103TP0814X.

Q: Is Diane Petroni enrolled in Medicare?

No. Diane Petroni has opted out of Medicare through June 18, 2028. 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 Diane Petroni was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.

Active since June 21, 2007Opted out of Medicare · through Jun 18, 2028

4990 SPEAK LANE, SUITE 100, SAN JOSE, CA 95118(408) 266-7826(408) 267-9649 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Diane Carole Petroni Phd Mft NPPES

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

DR. DIANE CAROLE PETRONI PHD MFT (NPI 1235335951) is an individual psychoanalysis provider in San Jose, California, licensed in California (MFC17004) and active in the NPI registry since June 2007. She has opted out of Medicare through June 18, 2028.

NPPES Registry Identity

NPI1235335951

Entity TypeIndividualFemale

Primary Taxonomy103TP0814X

Provider Legal NameDR. DIANE CAROLE PETRONICredential: PHD MFT

Location Address4990 SPEAK LANE, SUITE 100San Jose, CA 95118-2776

Mailing Address4990 Speak Lane, Suite 100San Jose, CA 95118-2776 · (408) 266-7826 · Fax (408) 267-9649

Phone(408) 266-7826

Fax(408) 267-9649

Sole ProprietorNo

Enumeration DateJune 21, 2007

Last NPPES UpdateSeptember 11, 2025

✔ NPI 1235335951 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychologist · PsychoanalysisBehavioral Health & Social Service Providers

Taxonomy Code103TP0814X

License✔ Licensed in CA · MFC17004

Definition

A psychologist whose specialty is distinguished from other specialties by its body of knowledge and its intensive treatment approaches. It aims at structural changes and modifications of a person's personality. Psychoanalysis promotes awareness of unconscious, maladaptive and habitually recurrent patterns of emotion and behavior, allowing previously unconscious aspects of the self to become integrated and promoting optimal functioning, healing and creative expression.

Also ListedMarriage & Family TherapistTaxonomy 106H00000X · License MFC17004 (CA)

4990 SPEAK LANE, San Jose, CA 95118

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Other Names 1

Other Name (5)Diane Petroni Newhouse

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Diane Carole Petroni Phd Mft 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 June 18, 2024 through June 18, 2028.

Opt-Out Effective DateJune 18, 2024

Opt-Out In Effect ThroughJune 18, 2028Opt-out affidavits renew automatically every two years unless cancelled

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.

MRS. SUSAN KATHLEEN FAIREY MFT

Marriage & Family Therapist

4990 SPEAK LANE
SAN JOSE, CA 95118

Santa Clara County (408) 266-7826

MRS. MARCIA MAY KAUFMANN LCSW LICENSED CLINIC

Social Worker (Clinical)

4990 SPEAK LANE, SUITE 100
SAN JOSE, CA 95118

Santa Clara County (408) 266-7826

JANET JENSEN ROBERTS MFT

Marriage & Family Therapist

4990 SPEAK LANE, STE 100
SAN JOSE, CA 95118

Santa Clara County (408) 264-9254

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 Diane Petroni's NPI number?

The NPI number for Diane Petroni is 1235335951. It was assigned to this individual provider in the NPPES registry on June 21, 2007. The provider is also known as Diane Petroni Newhouse.

Where is Diane Petroni located?

Diane Petroni practices at 4990 Speak Lane Suite 100, San Jose, CA 95118. The listed phone number is (408) 266-7826.

What is Diane Petroni's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Psychoanalysis, with taxonomy code 103TP0814X.

Is Diane Petroni enrolled in Medicare?

No. Diane Petroni has opted out of Medicare through June 18, 2028. 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 Diane Petroni was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.