What is Derek Denney's NPI number?

Derek Denney's National Provider Identifier (NPI) is 1821467895, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Derek Denney's specialty?

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

Where is Derek Denney located?

Derek Denney's practice location on file with NPPES is 1791 E 280 N, St George, UT 84790-2400.

What is Derek Denney's phone number?

The practice phone number listed in the NPPES registry for Derek Denney is (435) 656-2020.

Does Derek Denney accept Medicare?

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

Is Derek Denney's NPI active?

Yes — Derek Denney's NPI (1821467895) is active in the NPPES registry as of the last update on 2024-01-05.

IndividualActiveAccepts Medicare

Derek Denney, M.D.

NPI 1821467895 · Ophthalmology Physician · St George, UT

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

Derek Denney, M.D. is a Ophthalmology Physician provider in St George, UT (NPI 1821467895).

Provider details

NPI number: 1821467895
Entity type: Individual
Primary specialty: Ophthalmology PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: No
License: 1116866866 (UT)

Specialties & taxonomies

Ophthalmology PhysicianPrimary207W00000XLicense 1116866866 (UT)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(78/100 index)

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

Registry tenure25% of score
10 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
2,950 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 .

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)
Established Patient Complete Exam of Visual System92014	737	$116
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	394	$118
Imaging of Retina92134	347	$37
Imaging of Optic Nerve92133	258	$33
Measurement of Corneal Curvature and Depth of Eye92136	241	$35
Removal of Cataract With Insertion of Prosthetic Lens66984	217	$468

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Latanoprost	576	169
Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol	210	66
Timolol Maleate	90	27
Brimonidine Tartrate	59	21
Prednisolone Acetate	49	43
Erythromycin Basebrand: Erythromycin	44	39
Ciprofloxacin Hcl	17	13
Bimatoprost

Transparency — industry payments

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

$133 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.

Practice location

1791 E 280 N

St George, UT 84790-2400

Phone: (435) 656-2020

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Mailing address