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THOMAS QUANG DO PSY.D.
NPI 1447538327
Psychologist - Clinical in San Diego, CA

Active since July 27, 2011PECOS EnrolledAccepts Medicare Assignment
4909 MURPHY CANYON ROAD, SUITE 300, SAN DIEGO, CA 92123(858) 609-0815 Get Directions Write a Review

NPPES record last updated: November 8, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Thomas Quang Do Psy.d. NPPES

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

THOMAS QUANG DO PSY.D. (NPI 1447538327) is an individual clinical provider in San Diego, California, licensed in California (PSY34515) and active in the NPI registry since July 2011. He is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1447538327
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameTHOMAS QUANG DOCredential: PSY.D.
Location Address4909 MURPHY CANYON ROAD, SUITE 300San Diego, CA 92123
Mailing Address4909 Murphy Canyon Rd Ste 300San Diego, CA 92123-4301 · (858) 268-9800 · Fax (858) 268-9810
Phone(858) 609-0815
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateJuly 27, 2011
Last NPPES UpdateNovember 8, 2024
NPPES CertifiedNovember 8, 2024
✔ NPI 1447538327 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 · PSY34515
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.
4909 MURPHY CANYON ROAD, San Diego, CA 92123
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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 and accepts Medicare assignment

Thomas Quang Do Psy.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4486189073
PECOS Enrollment IDI20241119003439
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 Thomas Do reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Healthy Connections Counseling, A Psychological Corporation
Same address
Mental Health
4909 MURPHY CANYON RD STE 300
San Diego, CA 92123
  • Reassigned Medicare billing, California enrollment
  • 16 clinicians in this Medicare group
NPI 1093165581 (858) 268-9800

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 92123 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
$184.71 typical visit price
range $62.10 – $184.71
Typical copayment $46.17 (range $15.52 – $46.17)
Most-billed visit code 99205
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
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 Thomas Do's NPI number?

The NPI number for Thomas Do is 1447538327. It was assigned to this individual provider in the NPPES registry on July 27, 2011.

Where is Thomas Do located?

Thomas Do practices at 4909 Murphy Canyon Road Suite 300, San Diego, CA 92123. The listed phone number is (858) 609-0815.

What is Thomas Do's specialty?

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

Is Thomas Do enrolled in Medicare?

Yes. Thomas Do is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Thomas Do's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Do reassigns Medicare benefits to Healthy Connections Counseling, A Psychological Corporation (San Diego, CA). The 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 Thomas Do'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 Thomas Do was last updated on November 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.