1. Home
  2. Directory
  3. California
  4. Walnut Creek
  5. Social Worker
  6. NPI Profile

MR. JASON ALLEN SPENSER LCSW
NPI 1396891651
Social Worker - Clinical in Walnut Creek, CA

Active since January 26, 2007PECOS Enrolled
710 S BROADWAY STE 300, WALNUT CREEK, CA 94596(925) 295-4145 Get Directions Write a Review

NPPES record last updated: January 12, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 12, 2022, Nov 30, 2018 (2 updates tracked since 2018).

About Mr. Jason Allen Spenser Lcsw NPPES

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

MR. JASON ALLEN SPENSER LCSW (NPI 1396891651) is an individual clinical provider in Walnut Creek, California, licensed in California (LCS25276) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1396891651
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. JASON ALLEN SPENSERCredential: LCSW
Location Address710 S BROADWAY STE 300Walnut Creek, CA 94596-5229
Mailing Address800 S Santa Anita AveArcadia, CA 91006-6853 · (626) 254-5000
Phone(925) 295-4145
Sole ProprietorYes
Enumeration DateJanuary 26, 2007
Last NPPES UpdateJanuary 12, 20222 updates tracked since enumeration
NPPES CertifiedJanuary 12, 2022
✔ NPI 1396891651 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CA · LCS25276
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
710 S BROADWAY STE 300, Walnut Creek, CA 94596
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Jason Allen Spenser Lcsw 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 Jason Spenser reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
17 mi
Internal Medicine
901 NEVIN
Richmond, CA 94801
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1235226531 (510) 307-1555

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 94596 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
$0.00 typical visit price
range $69.00 – $202.35
Typical copayment $0.00 (range $17.25 – $50.58)
Most-billed visit code NA
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 10

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

MR. MATTHEW TERRY HAYNES
Social Worker (Clinical)
710 S BROADWAY STE 300
WALNUT CREEK, CA 94596
Contra Costa County (925) 295-3980
DR. SHELBY KAROLINE SMITH PSY.D.
Psychologist (Addiction (Substance Use Disorder))
710 S BROADWAY STE 300
WALNUT CREEK, CA 94596
Contra Costa County (925) 295-2960
JAMIE ASHLEY WILLIAMS LCSW
Social Worker (Clinical)
710 S BROADWAY STE 300
WALNUT CREEK, CA 94596
Contra Costa County (925) 295-4145
MR. STEWART PROCTOR PH.D.
Psychologist (Clinical)
710 S BROADWAY STE 300
WALNUT CREEK, CA 94596
Contra Costa County (925) 295-5937
MEREDITH PORTER PSYD
Psychologist
710 S BROADWAY STE 300
WALNUT CREEK, CA 94596
Contra Costa County (252) 954-6199
DR. KELLY M BUSH PSY.D.
Psychologist
710 S BROADWAY STE 300, DEPT OF MENTAL HEALTH
WALNUT CREEK, CA 94596
Contra Costa County (925) 295-4145
MRS. ANNE RACHEL SERRANO GUIJO N.P.
Nurse Practitioner (Family)
710 S BROADWAY STE 300
WALNUT CREEK, CA 94596
Contra Costa County (925) 295-6783
CATHERINE FAN DIONISIO PH.D.
Psychologist (Clinical)
710 S BROADWAY STE 300
WALNUT CREEK, CA 94596
Contra Costa County (925) 295-4145

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 Jason Spenser's NPI number?

The NPI number for Jason Spenser is 1396891651. It was assigned to this individual provider in the NPPES registry on January 26, 2007.

Where is Jason Spenser located?

Jason Spenser practices at 710 S Broadway Ste 300, Walnut Creek, CA 94596. The listed phone number is (925) 295-4145.

What is Jason Spenser's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Jason Spenser enrolled in Medicare?

Yes. Jason Spenser is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jason Spenser's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jason Spenser reassigns Medicare benefits to Permanente Medical Group Inc (Richmond, 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 Jason Spenser'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 Jason Spenser was last updated on January 12, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.