MR. GEROME ALONZO GRIVAS NP
NPI 1497883607
Nurse Practitioner - Psychiatric/Mental Health in Memphis, TN
About Mr. Gerome Alonzo Grivas Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. GEROME ALONZO GRIVAS NP (NPI 1497883607) is an individual psychiatric/mental health provider in Memphis, Tennessee, licensed in Tennessee (12129) 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
Specialties & Licenses
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
Mr. Gerome Alonzo Grivas Np 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 Gerome Grivas reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Stockton, CA 95210
- 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 38115 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MEMPHIS, TN 38115
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 Gerome Grivas's NPI number?
The NPI number for Gerome Grivas is 1497883607. It was assigned to this individual provider in the NPPES registry on March 1, 2007.
Where is Gerome Grivas located?
Gerome Grivas practices at 3175 Lenox Park Blvd Ste 412, Memphis, TN 38115. The listed phone number is (901) 273-2369.
What is Gerome Grivas's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Gerome Grivas enrolled in Medicare?
Yes. Gerome Grivas 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 Gerome Grivas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gerome Grivas reassigns Medicare benefits to Permanente Medical Group Inc (Stockton, 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 Gerome Grivas'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 Gerome Grivas was last updated on December 30, 2021. 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.
# Mr. Gerome Alonzo Grivas, NP · NPI 1497883607
Psychiatric/Mental Health physician in Memphis, Tennessee. Individual provider, active in the CMS NPPES registry since March 1, 2007.
## Identity
- **NPI:** 1497883607 (Entity type: Individual)
- **Enumerated:** March 1, 2007
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** 12129 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 3175 LENOX PARK BLVD STE 412, Memphis, TN 38115-4256
- **Phone:** (901) 273-2369
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Permanente Medical Group Inc (NPI 1548343510, Stockton, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** December 30, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1497883607) · Data from the CMS NPPES public registry.