Stephen Paul Cassis, MD
Ophthalmology Physician · Charleston, WV
Stephen Paul Cassis, MD is an ophthalmology physician with a practice address in Charleston, West Virginia, and NPI 1093709289, issued on Sep 2, 2005. Check the license (West Virginia 12950, as entered in NPPES) on the West Virginia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Stephen Paul Cassis
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 12950 WV
Self-reported in NPPES; status is on the state search - Practice location
- 301 49TH St SE, Charleston, WV 25304
- Phone
- (304) 925-3937
- Enumerated
- Sep 2, 2005
- Record last updated
- Feb 24, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (304) 925-4336
- Medicaid ID
- 0010455000 WV
- Medicare enrollment
- Enrolled (PECOS I20110610000660); accepts Medicare assignment
- Medical or professional school
- West Virginia University School Of Medicine, 1978
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 106 in West Virginia → Look up another NPI →
Verify Stephen Paul Cassis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWest Virginia Board of Medicine
Search for license 12950Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.8 times the Medicare Part D claims of the average ophthalmology physician in 2024
5,808 Medicare Part D claims for 1,332 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 31% of claims.
Most prescribed
- Latanoprost1,293 claims
- Prednisolone Acetate1,003 claims
- Ketorolac Tromethamine669 claims
- Ofloxacin536 claims
- Timolol Maleate379 claims
- Dorzolamide-Timolol369 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $463.62
9 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Stephen Paul Cassis among 106 ophthalmology physician records in West Virginia
Stephen Paul Cassis, MD is one of 106 ophthalmology physician records with a practice address in West Virginia. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1978 · median 1996 among the 60 with a school on file
- Record last updated2011 · 58% 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 West Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in West Virginia
There are 106 ophthalmology physician records in West Virginia.
All 106 in West Virginia → Every provider in Charleston → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Brian Griffith, MDCharleston, WV 253041437199056
- Moseley Winkler, MDCharleston, WV 253041487886628
- Mark Steinvurzel, MDSouth Charleston, WV 253031285645242
- Amy Armstrong, MDCharleston, WV 253011205864519
- James Caudill, MD RETIREDCharleston, WV 253011356382675
- Richard Francis, MDCharleston, WV 253011518169663
- Paul Francke, M.D.Charleston, WV 253011013910421
- Charity Hix, MDCharleston, WV 253011780609677
Common questions
What is Stephen Paul Cassis, MD's NPI number?
Stephen Paul Cassis, MD's National Provider Identifier (NPI) is 1093709289, issued on Sep 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Paul Cassis, MD located?
The NPPES record lists a practice address at 301 49TH St SE, Charleston, WV, 25304. Phone: (304) 925-3937. Providers update this record themselves, so call before visiting.
How can I verify Stephen Paul Cassis, MD's license?
NPPES lists West Virginia license number 12950, as entered by the provider. Search the West Virginia Board of Medicine at https://wvbom.wv.gov/public/search/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stephen Paul Cassis, MD prescribe under Medicare Part D?
In 2024, Stephen Paul Cassis, MD had 5,808 Medicare Part D claims for 1,332 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Stephen Paul Cassis, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.