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DR. MARISSA MANNINA PHD, LP
NPI 1790922532
Psychologist - Clinical in Walnut Creek, CA

Active since January 15, 2009PECOS EnrolledAccepts Medicare Assignment
2970 CAMINO DIABLO STE 300, WALNUT CREEK, CA 94597(925) 282-1778(415) 296-5299 Get Directions Write a Review

NPPES record last updated: July 14, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 29, 2024, Jan 21, 2016 (2 updates tracked since 2016).

About Dr. Marissa Mannina Phd, Lp NPPES

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

DR. MARISSA MANNINA PHD, LP (NPI 1790922532) is an individual clinical provider in Walnut Creek, California, licensed in California (24937) and active in the NPI registry since January 2009. She is enrolled in Medicare PECOS, maintains a secondary practice location in Fremont, and is a graduate of Other (2006).

NPPES Registry Identity

NPI1790922532
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameDR. MARISSA MANNINACredential: PHD, LP
Location Address2970 CAMINO DIABLO STE 300Walnut Creek, CA 94597-4001
Mailing Address2970 Camino Diablo Ste 300Walnut Creek, CA 94597-4001 · (925) 282-1778 · Fax (415) 296-5299
Phone(925) 282-1778
Fax(415) 296-5299
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateJanuary 15, 2009
Last NPPES UpdateJuly 14, 20252 updates tracked since enumeration
NPPES CertifiedJuly 14, 2025
✔ NPI 1790922532 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 · 24937
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.
2970 CAMINO DIABLO STE 300, Walnut Creek, CA 94597
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Other Names 1

Former Name (1)Marissa Scarpa-mannina

Secondary Practice Location 1

Location 139500 Liberty StFremont, CA 94538-2211 · Phone (510) 770-8040

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

Dr. Marissa Mannina Phd, Lp 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 ID6901055052
PECOS Enrollment IDI20121004000291
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 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
$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 20

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

DR. MARIA EMMA ROSA CASTRO LACOUTURE M.D.
Psychiatry & Neurology (Psychiatry)
2970 CAMINO DIABLO STE 300
WALNUT CREEK, CA 94597
Contra Costa County (925) 282-1778
DR. ALICIA M GREFENSON PSYD, LP
Psychologist (Clinical)
2970 CAMINO DIABLO STE 300
WALNUT CREEK, CA 94597
Contra Costa County (925) 282-1778
WILLIAM MERRIT FOX LCSW
Social Worker (Clinical)
2970 CAMINO DIABLO STE 300
WALNUT CREEK, CA 94597
Contra Costa County (925) 282-1778
SANDRA OROZCO LOZA LCSW
Social Worker (Clinical)
2970 CAMINO DIABLO STE 300
WALNUT CREEK, CA 94597
Contra Costa County (925) 282-1778
ANNA CAROLYN OCONNELL LPCC, BC-DMT, GL-CMA
Counselor (Professional)
2970 CAMINO DIABLO STE 300
WALNUT CREEK, CA 94597
Contra Costa County (925) 282-1778
MICHELLE MARIE REARDON LMFT
Marriage & Family Therapist
2970 CAMINO DIABLO STE 300
WALNUT CREEK, CA 94597
Contra Costa County (925) 282-1778
LAUREN E SPAMPINATO PHD, LP
Psychologist (Clinical)
2970 CAMINO DIABLO STE 300
WALNUT CREEK, CA 94597
Contra Costa County (925) 282-1778
CINDY ANN BOLTER PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
2970 CAMINO DIABLO STE 300
WALNUT CREEK, CA 94597
Contra Costa County (925) 282-1778

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 Marissa Mannina's NPI number?

The NPI number for Marissa Mannina is 1790922532. It was assigned to this individual provider in the NPPES registry on January 15, 2009. The provider is also known as Marissa Scarpa-Mannina.

Where is Marissa Mannina located?

Marissa Mannina practices at 2970 Camino Diablo Ste 300, Walnut Creek, CA 94597. The listed phone number is (925) 282-1778.

What is Marissa Mannina's specialty?

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

Is Marissa Mannina enrolled in Medicare?

Yes. Marissa Mannina 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 Marissa Mannina was last updated on July 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.