NPPES file of Aug 9, 2026

Joyce H. Cassen, MD

Ophthalmology Physician · Las Vegas, NV

Joyce H. Cassen, MD is an ophthalmology physician with a practice address in Las Vegas, Nevada, and NPI 1548214620, issued on May 21, 2006. Check the license (Nevada 16823, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1548214620
Name
Joyce H. Cassen
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
16823 NV
Self-reported in NPPES; status is on the state search
Practice location
3575 Pecos Mcleod, Las Vegas, NV 89121
Phone
(702) 731-2088
Enumerated
May 21, 2006
Record last updated
Mar 29, 2023
Fax
(702) 734-7836
Medicaid ID
1548214620 NV
Medicare enrollment
Enrolled (PECOS I20171005002090); accepts Medicare assignment
Medical or professional school
Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 1980
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3575 Pecos Mcleod

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Brian Alder, MDOphthalmology Physician1437318409
  2. Steven Ballard, MDOphthalmology Physician1699850008
  3. Judy Craythorn, M.D.Ophthalmology Physician1295795052
  4. Carolyn Cruvant, M.D.Ophthalmology Physician1942291448
  5. Kenneth Dang, OD, MSOptometrist1457244162
  6. Steven Hansen, M.D.Ophthalmology Physician1093766339

Verify Joyce H. Cassen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNevada State Board of Medical Examiners
    Search for license 16823
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Nevada license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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3% fewer Medicare Part D claims than the average ophthalmology physician in 2024

1,480 Medicare Part D claims for 516 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.

  1. Joyce Cassen1,480
  2. Specialty average1,518

Most prescribed

  1. Latanoprost622 claims
  2. Neomycin-Polymyxin-Dexameth228 claims
  3. Timolol Maleate178 claims
  4. Dorzolamide-Timolol120 claims
  5. Ofloxacin67 claims
  6. Prednisolone Acetate49 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.

The MIPS final score for 2023 (Medicare payment program): 91.7 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score88.7
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%93.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $29.44

1 payment: food and beverage; the largest payer was Dompe US, Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joyce Cassen$29.44
  2. Specialty average$4,535.02

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Shepherd Eye Center LtdLas Vegas, NV

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Joyce H. Cassen among 143 ophthalmology physician records in Nevada

Joyce H. Cassen, MD is one of 143 ophthalmology physician records with a practice address in Nevada. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.

  • NPI issued2006 · 14% of these records are older, 36% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1980 · median 1997 among the 92 with a school on file
  • Record last updated2023 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in Nevada

There are 143 ophthalmology physician records in Nevada.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Judy Craythorn, M.D.Las Vegas, NV 891211295795052
  2. Carolyn Cruvant, M.D.Las Vegas, NV 891211942291448
  3. Steven Hansen, M.D.Las Vegas, NV 891211093766339
  4. Kevin Miller, M.D.Las Vegas, NV 891211346322864
  5. Steven Montgomery, M.D.Las Vegas, NV 891211790736031
  6. Francis Noll, M.D.Las Vegas, NV 891211265482533
  7. Ravindranath Reddy, M.D.Las Vegas, NV 891211578514253
  8. Tushina Reddy, M.D.Las Vegas, NV 891211154410801

Common questions

What is Joyce H. Cassen, MD's NPI number?

Joyce H. Cassen, MD's National Provider Identifier (NPI) is 1548214620, issued on May 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joyce H. Cassen, MD located?

The NPPES record lists a practice address at 3575 Pecos Mcleod, Las Vegas, NV, 89121. Phone: (702) 731-2088. Providers update this record themselves, so call before visiting.

How can I verify Joyce H. Cassen, MD's license?

NPPES lists Nevada license number 16823, as entered by the provider. Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Joyce H. Cassen, MD prescribe under Medicare Part D?

In 2024, Joyce H. Cassen, MD had 1,480 Medicare Part D claims for 516 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is Joyce H. Cassen, MD's MIPS final score?

The 2023 MIPS final score is 91.7 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.