GRIFFIN MICHAEL ELLIS DO
NPI 1316512536
Orthopaedic Surgery - Orthopaedic Surgery of the Spine in Thornton, CO

Active since May 20, 2021PECOS EnrolledAccepts Medicare Assignment
9005 GRANT ST STE 200, THORNTON, CO 80229(303) 287-2800(303) 287-7357 Get Directions Write a Review

NPPES record last updated: June 11, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Griffin Michael Ellis Do NPPES

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

GRIFFIN MICHAEL ELLIS DO (NPI 1316512536) is an individual orthopaedic surgery of the spine provider in Thornton, Colorado, licensed in Colorado (DR.0077587) and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1316512536
Entity TypeIndividualMale
Primary Taxonomy207XS0117X
Provider Legal NameGRIFFIN MICHAEL ELLISCredential: DO
Location Address9005 GRANT ST STE 200Thornton, CO 80229-4384
Mailing Address9005 Grant St Ste 200, Ste 200Thornton, CO 80229-4384 · (303) 287-2800 · Fax (303) 287-7357
Fax(303) 287-7357
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateMay 20, 2021
Last NPPES UpdateJune 11, 2026
NPPES CertifiedJune 11, 2026
✔ NPI 1316512536 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic Surgery · Orthopaedic Surgery of the SpineAllopathic & Osteopathic Physicians
Taxonomy Code207XS0117X
License✔ Licensed in CO · DR.0077587
Definition
Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, orthopaedic surgeons of the spine deal with the evaluation and nonoperative and operative treatment of the full spectrum of primary spinal disorders including trauma, degenerative, deformity, tumor, and reconstructive.
9005 GRANT ST STE 200, Thornton, CO 80229

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

Griffin Michael Ellis Do 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 ID9537625405
PECOS Enrollment IDI20260730003550
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 Griffin Ellis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Orthopaedic Surgery
9005 GRANT ST, #200
Thornton, CO 80229
  • Reassigned Medicare billing, Colorado enrollment
  • 31 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.

Physician Assistant
9005 GRANT ST STE 200
THORNTON, CO 80229
Orthopaedic Surgery
9005 GRANT ST STE 200
THORNTON, CO 80229
Specialist/Technologist, Other (Surgical Assistant)
9005 GRANT ST STE 200
THORNTON, CO 80229
Orthopaedic Surgery (Sports Medicine)
9005 GRANT ST STE 200
THORNTON, CO 80229
Physician Assistant
9005 GRANT ST STE 200
THORNTON, CO 80229
Physical Medicine & Rehabilitation (Pain Medicine)
9005 GRANT ST STE 200
THORNTON, CO 80229
Orthopaedic Surgery
9005 GRANT ST STE 200
THORNTON, CO 80229
Orthopaedic Surgery
9005 GRANT ST STE 200
THORNTON, CO 80229

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 Griffin Ellis's NPI number?

The NPI number for Griffin Ellis is 1316512536. It was assigned to this individual provider in the NPPES registry on May 20, 2021.

Where is Griffin Ellis located?

Griffin Ellis practices at 9005 Grant St Ste 200, Thornton, CO 80229. The listed phone number is (303) 287-2800.

What is Griffin Ellis's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Orthopaedic Surgery of the Spine, with taxonomy code 207XS0117X.

Is Griffin Ellis enrolled in Medicare?

Yes. Griffin Ellis 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 Griffin Ellis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Griffin Ellis reassigns Medicare benefits to Center For Spine And Orthopedics Inc (Thornton, CO). 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 Griffin Ellis'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 Griffin Ellis was last updated on June 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.