BRETT GRINNELL MSW
NPI 1710369715
Social Worker - Clinical in San Diego, CA
About Brett Grinnell Msw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BRETT GRINNELL MSW (NPI 1710369715) is an individual clinical provider in San Diego, California, licensed in California (ASW) and active in the NPI registry since June 2015. He is enrolled in Medicare PECOS and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses 3
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
Brett Grinnell Msw 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.
Medicare Billing Reassignment
Medicare enrollment records show Brett Grinnell reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Diego, CA 92109
- Reassigned Medicare billing, California enrollment
- 10 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92101 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Brett Grinnell's NPI number?
The NPI number for Brett Grinnell is 1710369715. It was assigned to this individual provider in the NPPES registry on June 25, 2015.
Where is Brett Grinnell located?
Brett Grinnell practices at 928 Broadway, San Diego, CA 92101. The listed phone number is (619) 977-3716.
What is Brett Grinnell's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Brett Grinnell enrolled in Medicare?
Yes. Brett Grinnell 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 Brett Grinnell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brett Grinnell reassigns Medicare benefits to Practice Of Being Human Psychology PC (San Diego, 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 Brett Grinnell'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 Brett Grinnell was last updated on March 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Brett Grinnell, MSW · NPI 1710369715
Clinical provider in San Diego, California. Individual provider, active in the CMS NPPES registry since June 25, 2015.
## Identity
- **NPI:** 1710369715 (Entity type: Individual)
- **Enumerated:** June 25, 2015
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** ASW (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 928 BROADWAY, San Diego, CA 92101-5514
- **Phone:** (619) 977-3716
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Practice Of Being Human Psychology PC (NPI 1982254397, San Diego, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** March 28, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1710369715) · Data from the CMS NPPES public registry.