Gary H. Cassel, MD
Ophthalmology Physician · Owings Mills, MD
Gary H. Cassel, MD is an ophthalmology physician with a practice address in Owings Mills, Maryland, and NPI 1124180880, issued on Dec 15, 2006. Check the license (Maryland D24345, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Gary H. Cassel
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- D24345 MD
Self-reported in NPPES; status is on the state search - Practice location
- 23 Crossroads Dr Ste 310, Owings Mills, MD 21117
- Phone
- (410) 581-1500
- Enumerated
- Dec 15, 2006
- Record last updated
- Feb 5, 2025
- Fax
- (410) 581-0577
- Medicaid ID
- 327591400 MD
- Medicare enrollment
- Enrolled (PECOS I20080421000116); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 1978
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 588 in Maryland → Look up another NPI →
Verify Gary H. Cassel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D24345Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average ophthalmology physician in 2024
472 Medicare Part D claims for 157 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D.
Most prescribed
- Latanoprost174 claims
- Timolol Maleate36 claims
- Dorzolamide-Timolol30 claims
- Brimonidine Tartrate28 claims
- Erythromycin22 claims
- Lumigan22 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): 0 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Gary H. Cassel among 588 ophthalmology physician records in Maryland
Gary H. Cassel, MD is one of 588 ophthalmology physician records with a practice address in Maryland. 72% 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, 44% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1978 · median 2002 among the 369 with a school on file
- Record last updated2025 · 65% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Maryland
There are 588 ophthalmology physician records in Maryland.
All 588 in Maryland → Every provider in Owings Mills → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Julian Goldberg, M.D.Owings Mills, MD 211171457350472
- Edward Goldman, MDOwings Mills, MD 211171285638213
- Richard Gruen, M.D.Owings Mills, MD 211171043221088
- Marc Honig, M.D.Owings Mills, MD 211171023017142
- Vinod Lakhanpal, M.D.Owings Mills, MD 211171851374995
- Alfred Meisels, MDOwings Mills, MD 211171295797652
- Verinder Nirankari, M.D.Owings Mills, MD 211171437140134
- Lee SnyderOwings Mills, MD 211171760441190
Common questions
What is Gary H. Cassel, MD's NPI number?
Gary H. Cassel, MD's National Provider Identifier (NPI) is 1124180880, issued on Dec 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gary H. Cassel, MD located?
The NPPES record lists a practice address at 23 Crossroads Dr Ste 310, Owings Mills, MD, 21117. Phone: (410) 581-1500. Providers update this record themselves, so call before visiting.
How can I verify Gary H. Cassel, MD's license?
NPPES lists Maryland license number D24345, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gary H. Cassel, MD prescribe under Medicare Part D?
In 2024, Gary H. Cassel, MD had 472 Medicare Part D claims for 157 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Gary H. Cassel, MD's MIPS final score?
The 2023 MIPS final score is 0 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.