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CULLEN DEAN RYBURN M.D.
NPI 1679950976
Ophthalmology in Loveland, CO

Active since May 06, 2015PECOS EnrolledAccepts Medicare Assignment
85.77/100
CMS Quality Rating
2975 GINNALA DR STE 120, LOVELAND, CO 80538(970) 775-5453(970) 582-1176 Get Directions Write a Review

NPPES record last updated: July 10, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 10, 2025, Jun 14, 2016 (2 updates tracked since 2016).

About Cullen Dean Ryburn M.d. NPPES

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

CULLEN DEAN RYBURN M.D. (NPI 1679950976) is an individual ophthalmology provider in Loveland, Colorado, licensed in Colorado (DR.0064615) and active in the NPI registry since May 2015. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Paul L Foster School Of Medicine, Texas Tech Univ (2015).

NPPES Registry Identity

NPI1679950976
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameCULLEN DEAN RYBURNCredential: M.D.
Location Address2975 GINNALA DR STE 120Loveland, CO 80538-3300
Mailing Address3101 W 57th StSioux Falls, SD 57108-3162 · (605) 371-7100 · Fax (605) 371-7199
Phone(970) 775-5453
Fax(970) 582-1176
Sole ProprietorNo
Medical School CMSPaul L Foster School Of Medicine, Texas Tech UnivGraduated 2015
Enumeration DateMay 6, 2015
Last NPPES UpdateJuly 10, 20252 updates tracked since enumeration
NPPES CertifiedJuly 10, 2025
✔ NPI 1679950976 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in CO · DR.0064615
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
2975 GINNALA DR STE 120, Loveland, CO 80538
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Secondary Practice Locations 2

Location 11747 Poly DrBillings, MT 59102-1728 · Phone (406) 294-1994 · Fax (605) 371-7199
Location 21925 N 22nd Ave Ste 201Bozeman, MT 59718-7020 · Phone (406) 219-0700 · Fax (605) 371-7199

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Avera Health Plans, Blue Cross and Blue Shield of Montana, Blue Cross Blue Shield of Wyoming and more.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

Cullen Dean Ryburn 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.

PECOS PAC ID4385955533
PECOS Enrollment IDI20200601002509, I20220517000488
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 Reassignments

2

Medicare enrollment records show Cullen Ryburn reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cheyenne Eye Clinic, LLC
52 mi
Ophthalmology
1300 E 20TH ST
Cheyenne, WY 82001
  • Reassigned Medicare billing, Wyoming enrollment
  • 8 clinicians in this Medicare group
NPI 1720054802 (307) 634-2020
Vance Thompson Vision Clinic Prof LLC
478 mi
Ophthalmology
3101 W 57TH ST
Sioux Falls, SD 57108
  • Reassigned Medicare billing, Colorado and Montana enrollments
  • 2 clinicians in this Medicare group
NPI 1205193554 (605) 361-3937

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.

Measurement of corneal curvature and depth of eye 92136
This procedure measures the shape and depth of your eye, specifically the cornea, the clear front surface. It helps in diagnosing conditions, planning for surgeries, or fitting contact lenses. It's non-invasive and painless.
693 services377 patients
Removal of cataract with insertion of prosthetic lens 66984
This is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.
677 services367 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
237 services237 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
123 services56 patients
Removal of recurring cataract in lens capsule using a laser 66821
This procedure, known as YAG laser capsulotomy, treats cloudiness in the lens capsule following cataract surgery. A laser is used to create a small hole in the cloudy capsule, allowing light to pass through and restore clear vision. It's a quick, painless procedure.
106 services106 patients
Imaging of retina 92134
Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.
79 services79 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80538 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$132.55 typical visit price
range $58.06 – $174.82
Typical copayment $33.13 (range $14.51 – $43.70)
Most-billed visit code 99204
Established Patient
$72.20 typical visit price
range $18.88 – $142.79
Typical copayment $18.05 (range $4.72 – $35.69)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

85.77/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality77.86
Promoting Interoperability100
Improvement Activities40
Cost74.7

Reported Quality Measures

Complications After Cataract Surgery
Lower rates are better for this measure.
1%1,100 patients
Diabetes: Eye Exam
99%123 patients4/55-star benchmark: 100%
Documentation of Current Medications in the Medical Record
100%1,463 patients5/55-star benchmark: 100%
Falls: Screening for Future Fall Risk
98%664 patients4/55-star benchmark: 100%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Patients combinedPopulations: 92% · 575 patients
Patients screened: 100% · 575 patients
35%68 patients2/55-star benchmark: 100%
Provide Patients Electronic Access to Their Health Information
97%498 patients4/55-star benchmark: 100%
Use of High-Risk Medications in Older Adults
Lower rates are better for this measure.
Patients appropriateDiagnosis: 0% · 687 patients
Patients totalRate: 0% · 687 patients
0%687 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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 Cullen Ryburn's NPI number?

The NPI number for Cullen Ryburn is 1679950976. It was assigned to this individual provider in the NPPES registry on May 6, 2015.

Where is Cullen Ryburn located?

Cullen Ryburn practices at 2975 Ginnala Dr Ste 120, Loveland, CO 80538. The listed phone number is (970) 775-5453.

What is Cullen Ryburn's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Cullen Ryburn enrolled in Medicare?

Yes. Cullen Ryburn 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 Cullen Ryburn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cullen Ryburn reassigns Medicare benefits to 2 organizations: Cheyenne Eye Clinic, LLC (Cheyenne, WY) and Vance Thompson Vision Clinic Prof LLC (Sioux Falls, SD). 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 Cullen Ryburn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Cullen Ryburn accept?

Health plans from Avera Health Plans, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Montana, Mountain Health CO-OP and PacificSource Health Plans and 2 other insurers list Cullen Ryburn 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 Cullen Ryburn was last updated on July 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.