JUSTIN TROP
NPI 1922627116
Psychiatry & Neurology - Psychiatry in Walnut Creek, CA

Q: What is Justin Trop's NPI number?

The NPI number for Justin Trop is 1922627116. It was assigned to this individual provider in the NPPES registry on April 9, 2020.

Q: What is Justin Trop's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: When was this NPI record last updated?

The NPPES record for Justin Trop was last updated on June 23, 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.

Active since April 09, 2020PECOS Enrolled

3100 OAK RD STE 270, WALNUT CREEK, CA 94597(925) 944-9711 Get Directions Write a Review

NPPES record last updated: June 23, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 29, 2020, Apr 9, 2020 (2 updates tracked since 2020).

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About Justin Trop NPPES

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

JUSTIN TROP (NPI 1922627116) is an individual psychiatry provider in Walnut Creek, California, licensed in California (A198467) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1922627116

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameJUSTIN TROP

Location Address3100 OAK RD STE 270Walnut Creek, CA 94597-2078

Mailing Address3100 Oak Rd Ste 270Walnut Creek, CA 94597-2078 · (925) 944-9711

Phone(925) 944-9711

Sole ProprietorNo

Enumeration DateApril 9, 2020

Last NPPES UpdateJune 23, 20262 updates tracked since enumeration

NPPES CertifiedJune 23, 2026

✔ NPI 1922627116 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

Licenses✔ Licensed in CA · A198467✔ Licensed in GA · 95613

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

3100 OAK RD STE 270, Walnut Creek, CA 94597

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Justin Trop 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.

Medicare Billing Reassignment

Medicare enrollment records show Justin Trop reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Comprehensive Psychiatric Services, A Medical Group

Same address

Psychiatry

3100 OAK ROAD, SUITE 270
Walnut Creek, CA 94597

Reassigned Medicare billing, California enrollment
149 clinicians in this Medicare group

NPI 1184785834 (925) 944-9711

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94597 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

$202.35 typical visit price

range $69.00 – $202.35

Typical copayment $50.58 (range $17.25 – $50.58)

Most-billed visit code 99205

Established Patient

$84.91 typical visit price

range $23.44 – $166.46

Typical copayment $21.22 (range $5.86 – $41.61)

Most-billed visit code 99213

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

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.

DR. YI LING LI MD

Psychiatry & Neurology (Psychiatry)