ELIJAH SEEGER GRILLO M.D.
NPI 1285029447
Internal Medicine in Lone Tree, CO
About Elijah Seeger Grillo M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELIJAH SEEGER GRILLO M.D. (NPI 1285029447) is an individual internal medicine provider in Lone Tree, Colorado, licensed in Colorado (DR.0059882) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, maintains a secondary practice location in Colorado Springs, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
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 and accepts Medicare assignment
Elijah Seeger Grillo M.d. 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 Reassignments
2Medicare enrollment records show Elijah Grillo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Greenwood Village, CO 80111
- Reassigned Medicare billing, Wyoming enrollment
- 44 clinicians in this Medicare group
Loveland, CO 80538
- Reassigned Medicare billing, Colorado enrollment
- 2,596 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 12
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 80124 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 10
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 11
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 Elijah Grillo's NPI number?
The NPI number for Elijah Grillo is 1285029447. It was assigned to this individual provider in the NPPES registry on April 3, 2015.
Where is Elijah Grillo located?
Elijah Grillo practices at 9695 S Yosemite St Ste 224, Lone Tree, CO 80124. The listed phone number is (303) 265-3970.
What is Elijah Grillo's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Elijah Grillo enrolled in Medicare?
Yes. Elijah Grillo 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 Elijah Grillo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elijah Grillo reassigns Medicare benefits to 2 organizations: Rural Physicians Group-Pannu PLLC (Greenwood Village, CO) and Poudre Valley Medical Group, LLC (Loveland, CO). 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 Elijah Grillo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Elijah Grillo accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Select Health and UnitedHealthcare list Elijah Grillo 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 Elijah Grillo was last updated on July 5, 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.