DR. CARLA CHOMKA PH.D.
NPI 1487862678
Psychologist - Clinical in Palo Alto, CA

Q: What is Carla Chomka's NPI number?

The NPI number for Carla Chomka is 1487862678. It was assigned to this individual provider in the NPPES registry on May 19, 2007. The provider is also known as Dr. Carla Ison Ph.D..

Q: What is Carla Chomka's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Carla Chomka was last updated on November 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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 May 19, 2007PECOS Enrolled

441 S CALIFORNIA AVE, PALO ALTO, CA 94306(650) 332-4655 Get Directions Write a Review

NPPES record last updated: November 5, 2025. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Nov 5, 2025, Oct 15, 2018, Aug 15, 2016 (3 updates tracked since 2016).

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About Dr. Carla Chomka Ph.d. NPPES

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

DR. CARLA CHOMKA PH.D. (NPI 1487862678) is an individual clinical provider in Palo Alto, California, licensed in California (19759) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS and maintains a secondary practice location in Providence.

NPPES Registry Identity

NPI1487862678

Entity TypeIndividualFemale

Primary Taxonomy103TC0700X

Provider Legal NameDR. CARLA CHOMKACredential: PH.D.

Location Address441 S CALIFORNIA AVEPalo Alto, CA 94306-1847

Mailing AddressPo Box 7091Cumberland, RI 02864-0892 · (650) 668-5521

Phone(650) 332-4655

Sole ProprietorYes

Enumeration DateMay 19, 2007

Last NPPES UpdateNovember 5, 20253 updates tracked since enumeration

NPPES CertifiedNovember 5, 2025

✔ NPI 1487862678 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 · 19759

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.

441 S CALIFORNIA AVE, Palo Alto, CA 94306

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Other Names 1

Former Name (1)Dr. Carla Ison Ph.d.

Secondary Practice Location 1

Location 110 Dorrance St Ste 700Providence, RI 02903-2014 · Phone (650) 668-5521

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Carla Chomka Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94306 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$206.04 typical visit price

range $70.37 – $206.04

Typical copayment $51.51 (range $17.59 – $51.51)

Most-billed visit code 99205

Established Patient

$121.77 typical visit price

range $23.96 – $169.60

Typical copayment $30.44 (range $5.99 – $42.40)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Carla Chomka's NPI number?

The NPI number for Carla Chomka is 1487862678. It was assigned to this individual provider in the NPPES registry on May 19, 2007. The provider is also known as Dr. Carla Ison Ph.D..

Where is Carla Chomka located?

Carla Chomka practices at 441 S California Ave, Palo Alto, CA 94306. The listed phone number is (650) 332-4655.

What is Carla Chomka's specialty?

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

Is Carla Chomka enrolled in Medicare?

Yes. Carla Chomka is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Carla Chomka was last updated on November 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.