GREGORY RICHARD LARSON PH.D.
NPI 1174730618
Psychologist - Clinical in San Leandro, CA

Active since May 16, 2007PECOS EnrolledAccepts Medicare Assignment
333 ESTUDILLO AVE, #207, SAN LEANDRO, CA 94577(510) 541-2983 Get Directions Write a Review

NPPES record last updated: July 9, 2007. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Gregory Richard Larson Ph.d. NPPES

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

GREGORY RICHARD LARSON PH.D. (NPI 1174730618) is an individual clinical provider in San Leandro, California, licensed in California (PSY11781) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1987).

NPPES Registry Identity

NPI1174730618
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameGREGORY RICHARD LARSONCredential: PH.D.
Location Address333 ESTUDILLO AVE, #207San Leandro, CA 94577-4717
Mailing Address785 Bates AveEl Cerrito, CA 94530-2706 · (510) 541-2983
Sole ProprietorYes
Medical School CMSOtherGraduated 1987
Enumeration DateMay 16, 2007
Last NPPES UpdateJuly 9, 2007
NPI 1174730618 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 · PSY11781
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.

333 ESTUDILLO AVE, San Leandro, CA 94577

Other Identifiers 2

Medicare ID-Type UnspecifiedPSY117810CA
Medicare UPINPSY11781CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Gregory Richard Larson Ph.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 ID2668567819
PECOS Enrollment IDI20071002000872
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 94577 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
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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.

Other Providers at the Same Location NPPES 10

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

Behavior Analyst
333 ESTUDILLO AVE, SUITE 204
SAN LEANDRO, CA 94577
Behavior Technician
333 ESTUDILLO AVE
SAN LEANDRO, CA 94577
Marriage & Family Therapist
333 ESTUDILLO AVE, SUITE A
SAN LEANDRO, CA 94577
Psychologist
333 ESTUDILLO AVE, SUITE 201
SAN LEANDRO, CA 94577
Behavior Analyst
333 ESTUDILLO AVE, SUITE 204
SAN LEANDRO, CA 94577
Optometrist
333 ESTUDILLO AVE, STE. #102
SAN LEANDRO, CA 94577
Marriage & Family Therapist
333 ESTUDILLO AVE, SUITE 207
SAN LEANDRO, CA 94577
Podiatrist (Primary Podiatric Medicine)
333 ESTUDILLO AVE, SUITE A
SAN LEANDRO, CA 94577

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 Gregory Larson's NPI number?

The NPI number for Gregory Larson is 1174730618. It was assigned to this individual provider in the NPPES registry on May 16, 2007.

Where is Gregory Larson located?

Gregory Larson practices at 333 Estudillo Ave #207, San Leandro, CA 94577. The listed phone number is (510) 541-2983.

What is Gregory Larson's specialty?

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

Is Gregory Larson enrolled in Medicare?

Yes. Gregory Larson 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.

When was this NPI record last updated?

The NPPES record for Gregory Larson was last updated on July 9, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.