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EMMA FRANCES DIEMOZ
NPI 1568078921
Social Worker - Clinical in San Jose, CA

Active since September 21, 2020PECOS EnrolledAccepts Medicare Assignment
1118 MERIDIAN AVE, SAN JOSE, CA 95125(408) 445-8172(408) 266-6614 Get Directions Write a Review

NPPES record last updated: April 19, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Apr 19, 2026, Jan 4, 2024, Aug 23, 2023 and 2 more (5 updates tracked since 2020).

About Emma Frances Diemoz NPPES

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

EMMA FRANCES DIEMOZ (NPI 1568078921) is an individual clinical provider in San Jose, California, licensed in California (134244) and active in the NPI registry since September 2020. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1568078921
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameEMMA FRANCES DIEMOZ
Location Address1118 MERIDIAN AVESan Jose, CA 95125-4350
Mailing Address1333 Meridian AveSan Jose, CA 95125-5212 · (408) 445-8172 · Fax (408) 266-6614
Phone(408) 445-8172
Fax(408) 266-6614
Sole ProprietorYes
Medical School CMSOtherGraduated 2022
Enumeration DateSeptember 21, 2020
Last NPPES UpdateApril 19, 20265 updates tracked since enumeration
NPPES CertifiedApril 19, 2026
✔ NPI 1568078921 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 · 134244
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.
1118 MERIDIAN AVE, San Jose, CA 95125
Open in Google Maps ↗

Secondary Practice Locations 3

Location 11642 E Capitol ExpySan Jose, CA 95121-1800 · Phone (408) 445-8172 · Fax (408) 238-3874
Location 21179 N McDowell BlvdPetaluma, CA 94954-6559 · Phone (707) 559-7500 · Fax (707) 559-7707
Location 31563 Mission StSan Francisco, CA 94103-2543 · Phone (415) 762-3700 · Fax (415) 554-0159

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

Emma Frances Diemoz 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 ID6204288988
PECOS Enrollment IDI20240118000994
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 Reassignments

2

Medicare enrollment records show Emma Diemoz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Indian Health Center Of Santa Clara Valley
Same address
Federally Qualified Health Center (FQHC)
1118 MERIDIAN AVE STE 150
San Jose, CA 95125
  • Reassigned Medicare billing, California enrollment
  • 66 clinicians in this Medicare group
NPI 1275964488 (408) 445-3400
Petaluma Health Center Inc
75 mi
Federally Qualified Health Center (FQHC)
1179 N MCDOWELL BLVD
Petaluma, CA 94954
  • Reassigned Medicare billing, California enrollment
  • 63 clinicians in this Medicare group
NPI 1588656268 (707) 559-7500

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 95125 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 $70.37 – $206.04
Typical copayment $0.00 (range $17.59 – $51.51)
Most-billed visit code NA
Established Patient
$86.56 typical visit price
range $23.96 – $169.60
Typical copayment $21.64 (range $5.99 – $42.40)
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.

LEAH HODGE
Counselor (Mental Health)
1118 MERIDIAN AVE
SAN JOSE, CA 95125
Santa Clara County (408) 445-3400
DR. JULIUS HOWMIN FU MD
Psychiatry & Neurology (Psychiatry)
1118 MERIDIAN AVE
SAN JOSE, CA 95125
Santa Clara County (408) 445-8172

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 Emma Diemoz's NPI number?

The NPI number for Emma Diemoz is 1568078921. It was assigned to this individual provider in the NPPES registry on September 21, 2020.

Where is Emma Diemoz located?

Emma Diemoz practices at 1118 Meridian Ave, San Jose, CA 95125. The listed phone number is (408) 445-8172.

What is Emma Diemoz's specialty?

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

Is Emma Diemoz enrolled in Medicare?

Yes. Emma Diemoz 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 organizations bill Medicare for Emma Diemoz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Emma Diemoz reassigns Medicare benefits to 2 organizations: Indian Health Center Of Santa Clara Valley (San Jose, CA) and Petaluma Health Center Inc (Petaluma, CA). Each 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 Emma Diemoz'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 Emma Diemoz was last updated on April 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.