DIAMOND ROBINSON GRIGGS CRNP
NPI 1447870894
Nurse Practitioner - Family in Hoover, AL
About Diamond Robinson Griggs Crnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIAMOND ROBINSON GRIGGS CRNP (NPI 1447870894) is an individual family provider in Hoover, Alabama, licensed in Alabama (1-172642) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS, maintains a secondary practice location in Hoover, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Diamond Robinson Griggs Crnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Diamond Griggs reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hoover, AL 35242
- Reassigned Medicare billing, Alabama enrollment
- 4 clinicians in this Medicare group
Montgomery, AL 36111
- Reassigned Medicare billing, Alabama enrollment
- 11 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.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 35242 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BIRMINGHAM, AL 35242
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 Diamond Griggs's NPI number?
The NPI number for Diamond Griggs is 1447870894. It was assigned to this individual provider in the NPPES registry on April 24, 2020. The provider is also known as Diamond Robinson Crnp.
Where is Diamond Griggs located?
Diamond Griggs practices at 4902 Valleydale Rd, Hoover, AL 35242. The listed phone number is (205) 677-5454.
What is Diamond Griggs's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Diamond Griggs enrolled in Medicare?
Yes. Diamond Griggs is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Diamond Griggs's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diamond Griggs reassigns Medicare benefits to 2 organizations: Jmd Rheum LLC (Hoover, AL) and Articularis Healthcare Group Inc. (Montgomery, AL). 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 Diamond Griggs's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Diamond Griggs accept?
Health plans from Blue Cross and Blue Shield of Alabama, Oscar Insurance Company and UnitedHealthcare list Diamond Griggs as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Diamond Griggs was last updated on February 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.