MATTHEW ADDICUS ELGIN LMFT
NPI 1891815544
Counselor - Mental Health in Oakland, CA

Active since March 29, 2007PECOS EnrolledAccepts Medicare Assignment
3900 BROADWAY, OAKLAND, CA 94611(510) 752-1075 Get Directions Write a Review

NPPES record last updated: June 7, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Matthew Addicus Elgin Lmft NPPES

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

MATTHEW ADDICUS ELGIN LMFT (NPI 1891815544) is an individual mental health provider in Oakland, California and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS and is a graduate of Other (2005).

NPPES Registry Identity

NPI1891815544
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameMATTHEW ADDICUS ELGINCredential: LMFT
Location Address3900 BROADWAYOakland, CA 94611-5600
Mailing Address3900 BroadwayOakland, CA 94611-5616
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateMarch 29, 2007
Last NPPES UpdateJune 7, 2022
NPPES CertifiedJune 7, 2022
✔ NPI 1891815544 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
3900 BROADWAY, Oakland, CA 94611

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

Matthew Addicus Elgin Lmft 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 ID6103269741
PECOS Enrollment IDI20240209003640
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 Matthew Elgin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
901 NEVIN
Richmond, CA 94801
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Psychiatry & Neurology (Psychiatry)
3900 BROADWAY
OAKLAND, CA 94611
Social Worker (Clinical)
3900 BROADWAY
OAKLAND, CA 94611
Psychiatry & Neurology (Psychiatry)
3900 BROADWAY
OAKLAND, CA 94611
Psychiatry & Neurology (Psychiatry)
3900 BROADWAY
OAKLAND, CA 94611
Marriage & Family Therapist
3900 BROADWAY
OAKLAND, CA 94611
Psychologist (Clinical)
3900 BROADWAY
OAKLAND, CA 94611
Psychologist
3900 BROADWAY
OAKLAND, CA 94611
Social Worker (Clinical)
3900 BROADWAY, BLDG 2
OAKLAND, CA 94611

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 Matthew Elgin's NPI number?

The NPI number for Matthew Elgin is 1891815544. It was assigned to this individual provider in the NPPES registry on March 29, 2007.

Where is Matthew Elgin located?

Matthew Elgin practices at 3900 Broadway, Oakland, CA 94611. The listed phone number is (510) 752-1075.

What is Matthew Elgin's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Matthew Elgin enrolled in Medicare?

Yes. Matthew Elgin 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 organization bills Medicare for Matthew Elgin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Elgin 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 Matthew Elgin'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 Matthew Elgin was last updated on June 7, 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.