Umari Amiri Duffus, O.D.
Optometrist · Sparks, NV
Umari Amiri Duffus, O.D. is an optometrist with a practice address in Sparks, Nevada, and NPI 1508178153, issued on Jul 12, 2010. Check the license (Nevada 680, as entered in NPPES) with the Nevada board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Umari Amiri Duffus
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 680 NV
Self-reported in NPPES; status is on the state search - Practice location
- 1965 Baring Blvd, Sparks, NV 89434
- Phone
- (775) 358-1020
- Enumerated
- Jul 12, 2010
- Record last updated
- Jul 21, 2022
- Fax
- (775) 358-7951
- Entity
- Type 1 · individual
8 nearest optometrist records → All 550 in Nevada → Look up another NPI →
Also registered at 1965 Baring Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Katrina Braganza, ODOptometrist1225551393
- Corinne Cooper, O.D.Optometrist1871515809
- Becky Humphreys, ODOptometrist1629085824
- Denis Humphreys, ODOptometrist1659386225
- Troy Humphreys, OD FAAOOptometrist1992712194
- Evan Marchant, ODOptometrist1457368664
Verify Umari Amiri Duffus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Nevada board licenses this profession
Search for license 680Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average optometrist in 2024
115 Medicare Part D claims for 30 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 68% of claims.
Most prescribed
- Latanoprost68 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Umari Amiri Duffus among 550 optometrist records in Nevada
Umari Amiri Duffus, O.D. is one of 550 optometrist records with a practice address in Nevada. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 53% of them.
- NPI issued2010 · 53% of these records are older, 44% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2022 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
29 optometrist records list a practice address in Sparks
They are 29 of the 2,016 NPPES records with a practice address in Sparks, and 550 optometrist records in Nevada.
All 550 in Nevada → Every provider in Sparks → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Katrina Braganza, ODSparks, NV 894341225551393
- Corinne Cooper, O.D.Sparks, NV 894341871515809
- Denis Humphreys, ODSparks, NV 894341659386225
- Troy Humphreys, OD FAAOSparks, NV 894341992712194
- Becky Humphreys, ODSparks, NV 894341629085824
- Madison Marable, ODSparks, NV 894341720717135
- Evan Marchant, ODSparks, NV 894341457368664
- Jillian McMullen, ODSparks, NV 894341578332391
Common questions
What is Umari Amiri Duffus, O.D.'s NPI number?
Umari Amiri Duffus, O.D.'s National Provider Identifier (NPI) is 1508178153, issued on Jul 12, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Umari Amiri Duffus, O.D. located?
The NPPES record lists a practice address at 1965 Baring Blvd, Sparks, NV, 89434. Phone: (775) 358-1020. Providers update this record themselves, so call before visiting.
How can I verify Umari Amiri Duffus, O.D.'s license?
NPPES lists Nevada license number 680, as entered by the provider. Search the Nevada board that licenses this profession; the NPPES record confirms identity only.
How much does Umari Amiri Duffus, O.D. prescribe under Medicare Part D?
In 2024, Umari Amiri Duffus, O.D. had 115 Medicare Part D claims for 30 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.