Dr. Gary H. Cassel, MD

  • Towson, MD
  • Ophthalmologist
NPI1124180880PAC ID1557449386
Medicare services, 2024
1,062
Medicare patients, 2024
718
Part D claims, 2024
472
Publications
7
Industry payments
$908
Practice address
8415 Bellona Ln, Towson, MD 21204
Practice phone
Call (410) 825-4022
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Maryland Aesthetic and Reconstructive Ambulatory Surgical Center LLC

Towson, Maryland

See all 3 affiliations

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Dr. Gary H. Cassel is an ophthalmologist in Towson, Maryland

Dr. Cassel practices at Maryland Aesthetic and Reconstructive Ambulatory Surgical Center LLC in Towson, Maryland.

Dr. Cassel's NPI, 1124180880, was assigned on December 15, 2006. Dr. Cassel graduated from Sidney Kimmel Medical College in 1978. Dr. Cassel holds Maryland license D24345.

NPI and contact details
Medicare PAC ID
1557449386
NPI enumeration date
December 15, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(410) 825-4022
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
74
Medical school graduation
1978

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Gary H. Cassel practices at Maryland Aesthetic and Reconstructive Ambulatory Surgical Center LLC in Towson, Maryland

Dr. Cassel's primary practice is Maryland Aesthetic and Reconstructive Ambulatory Surgical Center LLC, at 8415 Bellona Ln, Towson, MD 21204 in Baltimore County. The practice phone is (410) 825-4022.

  • Maryland Aesthetic and Reconstructive Ambulatory Surgical Center LLC
    8415 Bellona Ln, Towson, MD 21204 · Baltimore CountyPhone(410) 825-4022

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Gary H. Cassel is affiliated with 2 sites of care and 1 medical group

Dr. Cassel's primary practice is Maryland Aesthetic and Reconstructive Ambulatory Surgical Center LLC in Towson, Maryland. Dmand AI also links Dr. Cassel to 1 group practice or clinic and 1 medical group, each named with a free account.

Maryland Aesthetic and Reconstructive Ambulatory Surgical Center LLCTowson, MarylandPrimary
1 group practice or clinicName with a free account1 medical groupName with a free account
See all 3 affiliations for Dr. Cassel

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Gary H. Cassel's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cassel practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Maryland Aesthetic and Reconstructive Ambulatory Surgical Center LLCAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Gary H. Cassel is one of 471 ophthalmologists in Maryland

Ophthalmology is Dr. Cassel's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Cassel is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Cassel's licenses on file in 2 states: Maryland and Pennsylvania.

Specialties and state licenses

  • Ophthalmology, MarylandPrimaryLicense D24345 · 1979 to 2026 · taxonomy 207W00000X
  • Pennsylvania license1983 to 1985

Clinical focus

Dmand AI lists age-related macular degeneration, cataract, conjunctivitis, eye infection or inflammation, eyelid inflammation, glaucoma, hereditary corneal conditions and inflammation of iris among the conditions Dr. Cassel treats.

Ophthalmologists near Dr. Cassel

Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Gary H. Cassel billed Medicare for 1,062 services in 2024

CMS data shows 1,062 Medicare services from Dr. Cassel across 9 procedure codes in 2024, for 718 Medicare patients. Medicare paid $74,390 for them. Every service was in an office.

Medicare services, 20241,062
Medicare patients718
Paid by Medicare$74,390
Procedure codes9

Dr. Cassel's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 9322024: 8707%
Office and hospital visits
2023: 772024: 161109%
Surgery
2023: 372024: 3116%
Imaging
2023: 142024: 0100%

Dr. Cassel compared with the Maryland median for ophthalmologists, 2024

  • Dr. Cassel
  • Maryland median
Medicare services
1,062vs 1,38823% below
Medicare patients
718vs 62315% above
Part D claims
389vs 380Close to median

Medians across 487 ophthalmologists in Maryland with Dmand AI profiles that report each measure.

Dr. Cassel's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Cassel

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Cassel and other ophthalmologists in Maryland.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Gary H. Cassel treated 718 Medicare patients in 2024, average age 77

CMS counts 718 Medicare patients who saw Dr. Cassel in 2024. The largest group is 75 to 84, with 330 patients. 75% of them have high cholesterol, and 68% have high blood pressure. Their average risk score is 0.89, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Cassel's median patient age at 71, with 66% women.

Medicare patients, 2024718
Average age77
Average risk score0.89

Dr. Cassel's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Cassel's Medicare patients by sex, 2024

  • Women42559%
  • Men29341%

Chronic conditions among Dr. Cassel's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure68%
  3. Arthritis43%
  4. Ischemic heart disease25%
  5. Diabetes23%
  6. Mood disorders19%
  7. Cancer18%
  8. Chronic kidney disease18%

Share of Medicare patients with each condition. A patient can have several.

Dr. Cassel's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women66%
  • Men34%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Gary H. Cassel wrote 472 Medicare Part D claims in 2024

In 2024, Dr. Cassel wrote 472 Medicare Part D claims for 157 patients. 71% of them were for generic drugs. CMS names the drug for 389 of them, across 11 drugs with 11 or more claims each, at $29,679 in total drug cost. In 2023, CMS named 396 claims across 8 drugs.

Part D claims, 2024472
Drugs named by CMS11
Total drug cost$29,679
Part D patients157

Dr. Cassel's Part D claims by kind of drug, 2024

  • Generic334 claims71%
  • Brand-name and other138 claims29%

Dr. Cassel's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Cassel's Part D claims, 2024

  • Antibiotics6%26 of 472 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 3962024: 3892%

Drugs named by CMS: 11 in 2024, 8 in 2023.

See all prescribing by Dr. Cassel

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Gary H. Cassel scored 0 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 0 out of 100 for Dr. Cassel for performance year 2024, reported individually. Dr. Cassel accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 15 procedures of cataract surgery by Dr. Cassel, more than 39% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Cassel's MIPS scores, performance year 2024

  • 0of 100Final score
  • 0of 100Quality
  • 0of 100Improvement Activities
  • 0of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Cassel ranks in Medicare procedure volume

Cataract surgery
39th percentile15 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Gary H. Cassel has 7 publications on record

Dmand AI links 7 papers to Dr. Cassel. The most frequent topics are Cataract, Cornea and Diabetes Mellitus, Type 2. Dr. Cassel has published most often in Ophthalmic Surg. Dr. Cassel's most frequent co-author is Lewis Groden, MD.

Papers7

Topics Dr. Cassel writes about most

  • Cataract
  • Cornea
  • Diabetes Mellitus, Type 2
  • Diabetic Retinopathy

Dr. Cassel's most frequent co-authors

Recent publications by Dr. Cassel

See all 7 publications and co-authors

See who Dr. Cassel researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Cassel works with, so you can find a warm path to the right ophthalmologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Gary H. Cassel received $908 in industry payments from 2016 to 2025

CMS Open Payments shows 22 general payments to Dr. Cassel from 8 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 80% of the total. Bausch & Lomb Americas Inc. paid the most, $197.

General payments to Dr. Cassel by program year, 2016 to 2025

General payments to Dr. Cassel by kind, 2016 to 2025

$908in total
  • Food and beverage$72480%
  • Entertainment$18420%

Companies that paid Dr. Cassel the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Cassel

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Gary H. Cassel graduated from Sidney Kimmel Medical College

Dr. Cassel graduated from Sidney Kimmel Medical College in 1978. Dr. Cassel is a member of AAO.

  1. Medical schoolSidney Kimmel Medical College
  2. Board certified in ophthalmologyAmerican Board of Ophthalmology

Source: Dmand AI Professional Profile Data

Dr. Gary H. Cassel accepts plans from 16 insurance carriers

Dr. Cassel is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • Excellus BlueCross BlueShield
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • CareFirst BlueCross BlueShield
  • HCSC
  • +8 more carriersWith a free account

Plan types Dr. Cassel accepts, by number of carriers

  1. Medicare11
  2. PPO11
  3. HMO10
  4. EPO5
  5. POS5

Source: Dmand AI Insurance Network Data

Sources for Dr. Gary H. Cassel's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Gary H. Cassel

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Gary H. Cassel's NPI number?

Dr. Gary H. Cassel's NPI number is 1124180880. It was assigned on December 15, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Gary H. Cassel?

Dr. Gary H. Cassel is an ophthalmologist in Towson, Maryland. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Gary H. Cassel practice?

Dr. Cassel practices at 8415 Bellona Ln, Towson, MD 21204. Dr. Cassel's primary practice is Maryland Aesthetic and Reconstructive Ambulatory Surgical Center LLC in Towson, Maryland. Dmand AI also links Dr. Cassel to 1 group practice or clinic and 1 medical group.

What is Dr. Gary H. Cassel's office phone number?

The practice phone on file for Dr. Cassel is (410) 825-4022.

What is Dr. Gary H. Cassel's medical license number?

Dr. Cassel holds Maryland license D24345, one of the licenses on file in 2 states.

Which states has Dr. Gary H. Cassel been licensed in?

Dmand AI has state licenses on file for Dr. Cassel in Maryland (1979 to 2026) and Pennsylvania (1983 to 1985).

Does Dr. Gary H. Cassel accept Medicare?

Yes. CMS data shows Dr. Cassel billed Medicare for 1,062 services in 2024, and Dr. Cassel accepts Medicare assignment.

What is Dr. Gary H. Cassel's MIPS score?

Dr. Cassel's MIPS final score for performance year 2024 is 0 out of 100, reported individually.

How many Medicare patients does Dr. Gary H. Cassel see?

CMS counts 718 Medicare patients who saw Dr. Cassel in 2024, with an average age of 77.

Is Dr. Gary H. Cassel board certified?

Yes. Dr. Cassel is board certified in ophthalmology by the American Board of Ophthalmology.

Show 8 more questionsShow fewer questions

What services does Dr. Gary H. Cassel bill to Medicare?

In 2024, Dr. Cassel's most billed Medicare services were eye exam or test (92014), eye exam or test (92012) and office visit, established patient (99212).

Where did Dr. Gary H. Cassel go to medical school?

Dr. Cassel graduated from Sidney Kimmel Medical College in 1978.

What drugs does Dr. Gary H. Cassel prescribe most?

In 2024 Medicare Part D data, Dr. Cassel's most prescribed drugs by claims were Latanoprost, Timolol Maleate and Dorzolamide-Timolol.

Has Dr. Gary H. Cassel received payments from drug or device companies?

CMS Open Payments shows $908 in general payments to Dr. Cassel from 8 companies from 2016 to 2025. The largest total came from Bausch & Lomb Americas Inc.

How long has Dr. Gary H. Cassel been practicing?

Dr. Cassel graduated from medical school in 1978, 48 years ago.

Does Dr. Gary H. Cassel do research?

Dmand AI links 7 publications to Dr. Cassel.

Who does Dr. Gary H. Cassel publish with?

Dr. Cassel's most frequent co-authors are Lewis Groden, MD (2 shared papers).

What insurance does Dr. Gary H. Cassel accept?

Dr. Cassel is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.

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