Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

FRONT RANGE RETINA, P.C.
NPI 1831780980
Ophthalmology - Retina Specialist in Castle Rock, CO

Q: What is Front Range Retina, P.C.'s NPI number?

The NPI number for Front Range Retina, P.C. is 1831780980. It was assigned to this organization in the NPPES registry on February 1, 2021.

Q: What is Front Range Retina, P.C.'s specialty?

The primary specialty registered for this NPI is Ophthalmology, specializing in Retina Specialist, with taxonomy code 207WX0107X.

Active since February 01, 2021

3740 DACORO LN STE 145, CASTLE ROCK, CO 80109(720) 828-3937(720) 405-4355 Get Directions Write a Review

NPPES record last updated: September 5, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 5, 2026, Mar 4, 2023, Dec 12, 2022 and 3 more (6 updates tracked since 2021).

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About Front Range Retina, P.c. NPPES

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

FRONT RANGE RETINA, P.C. (NPI 1831780980) is a healthcare organization registered as a retina specialist in Castle Rock, Colorado and active in the NPI registry since February 2021. The organization maintains 3 additional practice locations and lists Steven M Christiansen, Physician, as its authorized official.

NPPES Registry Identity

NPI1831780980

Entity TypeOrganization

Primary Taxonomy207WX0107X

Legal Business NameFRONT RANGE RETINA, P.C.

Location Address3740 DACORO LN STE 145Castle Rock, CO 80109-2504

Mailing Address3740 Dacoro Ln Ste 145Castle Rock, CO 80109-2504 · (720) 828-3937 · Fax (720) 405-4355

Phone(720) 828-3937

Fax(720) 405-4355

Organization SubpartNo

Authorized OfficialSteven M ChristiansenPhysician · (720) 828-3937

Enumeration DateFebruary 1, 2021

Last NPPES UpdateSeptember 5, 20266 updates tracked since enumeration

NPPES CertifiedSeptember 5, 2026

✔ NPI 1831780980 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmology · Retina SpecialistAllopathic & Osteopathic Physicians

Taxonomy Code207WX0107X

Definition

An ophthalmologist who specializes in the diagnosis and treatment of vitreoretinal diseases.

3740 DACORO LN STE 145, Castle Rock, CO 80109

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Secondary Practice Locations 3

Location 110579 Bradford Rd Ste 104Littleton, CO 80127-4247 · Phone (720) 828-3937 · Fax (720) 405-4355

Location 21710 Jet Stream Dr Ste 215Colorado Springs, CO 80921-3937 · Phone (720) 828-3937 · Fax (720) 405-4355

Location 31120 Wellington Ave Ste 106Grand Junction, CO 81501-6130 · Phone (720) 828-3937 · Fax (720) 405-4355

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Front Range Retina, P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Front Range Retina, P.C., which bills Medicare for the services this clinician delivers.

Clinician (1)

Steven Christiansen, MD

Ophthalmology

NPI 1548603483

3740 DACORO LN STE 145
Castle Rock, CO 80109

(720) 828-3937

✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Front Range Retina, P.C.'s NPI number?

The NPI number for Front Range Retina, P.C. is 1831780980. It was assigned to this organization in the NPPES registry on February 1, 2021.

Where is Front Range Retina, P.C. located?

Front Range Retina, P.C. is located at 3740 Dacoro Ln Ste 145, Castle Rock, CO 80109. The listed phone number is (720) 828-3937.

What is Front Range Retina, P.C.'s specialty?

The primary specialty registered for this NPI is Ophthalmology, specializing in Retina Specialist, with taxonomy code 207WX0107X.

Is Front Range Retina, P.C. enrolled in Medicare?

Yes. Front Range Retina, P.C. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Front Range Retina, P.C.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Ophthalmology) reassigns their Medicare billing to Front Range Retina, P.C.. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Front Range Retina, P.C. was last updated on September 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 52 days 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.