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

DIANA A ALVAREZ
NPI 1770191397
Social Worker - Clinical in Oakland, CA

Active since July 20, 2020PECOS Enrolled
10901 MACARTHUR BLVD STE 201, OAKLAND, CA 94605(510) 328-3880(510) 373-2482 Get Directions Write a Review

NPPES record last updated: July 20, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Diana A Alvarez NPPES

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

DIANA A ALVAREZ (NPI 1770191397) is an individual clinical provider in Oakland, California, licensed in California (94685) and active in the NPI registry since July 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1770191397
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameDIANA A ALVAREZ
Location Address10901 MACARTHUR BLVD STE 201Oakland, CA 94605-5200
Mailing AddressPo Box 543San Lorenzo, CA 94580-0543 · (510) 928-9424 · Fax (510) 373-2482
Phone(510) 328-3880
Fax(510) 373-2482
Sole ProprietorYes
Enumeration DateJuly 20, 2020
NPPES CertifiedJuly 20, 2020
✔ NPI 1770191397 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 · 94685
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.
10901 MACARTHUR BLVD STE 201, Oakland, CA 94605
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)

Diana A Alvarez 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 Diana Alvarez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

County Of Alameda
2.3 mi
Community/Behavioral Health
7200 BANCROFT AVE, SUITE 125D
Oakland, CA 94605
  • Reassigned Medicare billing, California enrollment
  • 50 clinicians in this Medicare group
NPI 1871625277 (800) 878-1313

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 94605 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 2

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

MS. AKILAH V VAZQUEZ MFT
Marriage & Family Therapist
10901 MACARTHUR BLVD STE 201
OAKLAND, CA 94605
Alameda County (510) 877-0614
MR. JOSE GUADAUPE HURTADO LCSW
Social Worker (Clinical)
10901 MACARTHUR BLVD STE 201
OAKLAND, CA 94605
Alameda County (510) 502-3280

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 Diana Alvarez's NPI number?

The NPI number for Diana Alvarez is 1770191397. It was assigned to this individual provider in the NPPES registry on July 20, 2020.

Where is Diana Alvarez located?

Diana Alvarez practices at 10901 Macarthur Blvd Ste 201, Oakland, CA 94605. The listed phone number is (510) 328-3880.

What is Diana Alvarez's specialty?

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

Is Diana Alvarez enrolled in Medicare?

Yes. Diana Alvarez is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Diana Alvarez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Diana Alvarez reassigns Medicare benefits to County Of Alameda (Oakland, 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 Diana Alvarez'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 Diana Alvarez was last updated on July 20, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.