What is Cullen Ryburn's NPI number?

Cullen Ryburn's National Provider Identifier (NPI) is 1679950976, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Cullen Ryburn's specialty?

Cullen Ryburn is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).

Where is Cullen Ryburn located?

Cullen Ryburn's practice location on file with NPPES is 2975 Ginnala Dr Ste 120, Loveland, CO 80538-3300.

What is Cullen Ryburn's phone number?

The practice phone number listed in the NPPES registry for Cullen Ryburn is (970) 775-5453.

Does Cullen Ryburn accept Medicare?

Cullen Ryburn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Cullen Ryburn's NPI active?

Yes — Cullen Ryburn's NPI (1679950976) is active in the NPPES registry as of the last update on 2025-07-10.

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Cullen Ryburn, M.D.

NPI 1679950976 · Ophthalmology Physician · Loveland, CO

Cullen Ryburn, M.D. is a Ophthalmology Physician provider in Loveland, CO (NPI 1679950976).

Provider details

NPI number: 1679950976
Entity type: Individual
Primary specialty: Ophthalmology PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: No
License: DR.0064615 (CO)

Practice location

2975 Ginnala Dr Ste 120

Loveland, CO 80538-3300

Phone: (970) 775-5453

Fax: (970) 582-1176

Street-level locationGet directions

More CO providers

Mailing address

3101 W 57th St

Sioux Falls, SD 57108-3162

Specialties & taxonomies

Ophthalmology PhysicianPrimary207W00000XLicense DR.0064615 (CO)
Allopathic & Osteopathic Physicians

Additional practice locations (2)

1747 Poly Dr
Billings, MT 59102-1728
Phone: (406) 294-1994
Fax: (605) 371-7199
1925 N 22nd Ave Ste 201
Bozeman, MT 59718-7020
Phone: (406) 219-0700
Fax: (605) 371-7199

Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(75/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure25% of score
11 yrs in NPPES registry
Profile completeness25% of score
100% of core fields populated
Practice footprint15% of score
3 documented practice locations
Medicare service volume (vs. specialty peers)25% of score
2,112 Medicare services, 2024 (ranked within specialty)
Open Payments transparency10% of score
Has Open Payments disclosures (2024)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Measurement of Corneal Curvature and Depth of Eye92136	693	$38
Removal of Cataract With Insertion of Prosthetic Lens66984	677	$451
New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204	237	$164
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	123	$89
Removal of Recurring Cataract in Lens Capsule Using a Laser66821	106	$316
Imaging of Retina92134	79

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Prednisolone Acetate	284	134
Moxifloxacin Hclbrand: Moxifloxacin	174	102
Fluorometholone	65	16
Valacyclovir Hclbrand: Valacyclovir	44	15
Brimonidine Tartrate	28	—
Erythromycin Basebrand: Erythromycin	23	11
Nepafenacbrand: Ilevro	18	11

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$464 across 6 records (Open Payments 2024)

Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.

Enumerated: 2015-05-06
Last updated: 2025-07-10
Certified: 2025-07-10

Frequently asked questions

What is Cullen Ryburn's NPI number?: Cullen Ryburn's National Provider Identifier (NPI) is 1679950976, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Cullen Ryburn's specialty?: Cullen Ryburn is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
Where is Cullen Ryburn located?: Cullen Ryburn's practice location on file with NPPES is 2975 Ginnala Dr Ste 120, Loveland, CO 80538-3300.
What is Cullen Ryburn's phone number?: The practice phone number listed in the NPPES registry for Cullen Ryburn is (970) 775-5453.
Does Cullen Ryburn accept Medicare?: Cullen Ryburn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Cullen Ryburn's NPI active?: Yes — Cullen Ryburn's NPI (1679950976) is active in the NPPES registry as of the last update on 2025-07-10.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Measurement of Corneal Curvature and Depth of Eye92136	693	$38
Removal of Cataract With Insertion of Prosthetic Lens66984	677	$451
New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204	237	$164
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	123	$89
Removal of Recurring Cataract in Lens Capsule Using a Laser66821	106	$316
Imaging of Retina92134	79

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Prednisolone Acetate	284	134
Moxifloxacin Hclbrand: Moxifloxacin	174	102
Fluorometholone	65	16
Valacyclovir Hclbrand: Valacyclovir	44	15
Brimonidine Tartrate	28	—
Erythromycin Basebrand: Erythromycin	23	11
Nepafenacbrand: Ilevro	18	11

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$464 across 6 records (Open Payments 2024)

Provider details

Practice location

Mailing address

Specialties & taxonomies

Additional practice locations (2)

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments

Registry dates

Frequently asked questions

Specialties & taxonomies

Additional practice locations (2)

Frequently asked questions

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments