Marcel J. Sislowitz

  • New York, NY
  • Ophthalmologist
NPI1124050109
Medicare services, 2024
842
Medicare patients, 2024
408
Part D claims, 2024
459
Industry payments
$170
State license
1
Practice address
100 E 77th St, New York, NY 10075
Practice phone
Call (212) 362-4200
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Find Marcel Sislowitz's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Marcel J. Sislowitz is an ophthalmologist in New York, New York

Marcel Sislowitz practices in New York, New York.

Marcel Sislowitz's NPI, 1124050109, was assigned on July 7, 2006. Marcel Sislowitz graduated from State University of New York Downstate Medical Center in 1964. Marcel Sislowitz holds New York license 094924.

NPI and contact details
NPI enumeration date
July 7, 2006
NPI status
Active
Practice phone
(212) 362-4200
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
88
Medical school graduation
1964

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

Marcel J. Sislowitz's practice address is in New York, New York

Marcel Sislowitz's practice address in the NPI Registry is 100 E 77th St, New York, NY 10075, in New York County. The practice phone is (212) 362-4200.

  • NPI Registry address
    100 E 77th St, New York, NY 10075 · New York CountyPhone(212) 362-4200

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

Dmand AI tracks the EHR system at Marcel J. Sislowitz's practice

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

EHR by site
SiteEHR vendor and product
Marcel Sislowitz's practiceAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Marcel Sislowitz practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Marcel J. Sislowitz is one of 1,467 ophthalmologists in New York

Ophthalmology is Marcel Sislowitz's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Marcel Sislowitz is licensed in New York.

Specialties and state licenses

  • Ophthalmology, New YorkPrimaryLicense 094924 · taxonomy 207W00000X

Ophthalmologists near Marcel Sislowitz

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

Marcel J. Sislowitz billed Medicare for 842 services in 2024

CMS data shows 842 Medicare services from Marcel Sislowitz across 11 procedure codes in 2024, for 408 Medicare patients. Medicare paid $57,228 for them. Every service was in an office.

Medicare services, 2024842
Medicare patients408
Paid by Medicare$57,228
Procedure codes11

Marcel Sislowitz's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 9882024: 47352%
Office and hospital visits
2023: 6622024: 36944%

Marcel Sislowitz compared with the New York median for ophthalmologists, 2024

  • Marcel Sislowitz
  • New York median
Medicare services
842vs 1,25833% below
Medicare patients
408vs 4366% below
Part D claims
382vs 64741% below

Medians across 1,557 ophthalmologists in New York with Dmand AI profiles that report each measure.

Marcel Sislowitz'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 Marcel Sislowitz

Need commercial claims for Marcel Sislowitz?

Medicare shows one payer. Book a meeting to get commercial claims data for Marcel Sislowitz and other ophthalmologists in New York.

Book a meeting

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

Marcel J. Sislowitz treated 408 Medicare patients in 2024, average age 78

CMS counts 408 Medicare patients who saw Marcel Sislowitz in 2024. The largest group is 75 to 84, with 217 patients. 75% of them have high cholesterol, and 61% have high blood pressure. 3% are also on Medicaid. Their average risk score is 0.96, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Marcel Sislowitz's median patient age at 78, with 64% women.

Medicare patients, 2024408
Average age78
Average risk score0.96
Also on Medicaid3%

Marcel Sislowitz's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Marcel Sislowitz's Medicare patients by sex, 2024

  • Women26064%
  • Men14836%

Chronic conditions among Marcel Sislowitz's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure61%
  3. Arthritis50%
  4. Ischemic heart disease28%
  5. Osteoporosis22%
  6. Anxiety21%
  7. Cancer21%
  8. Mood disorders21%

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

Marcel Sislowitz's patients across all payers

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

Patient panel by age, all payers

Median age 78

Patient panel by sex, all payers

  • Women64%
  • Men36%

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

Marcel J. Sislowitz wrote 459 Medicare Part D claims in 2024

In 2024, Marcel Sislowitz wrote 459 Medicare Part D claims for 126 patients. 71% of them were for generic drugs. CMS names the drug for 382 of them, across 9 drugs with 11 or more claims each, at $37,253 in total drug cost. In 2023, CMS named 468 claims across 10 drugs.

Part D claims, 2024459
Drugs named by CMS9
Total drug cost$37,253
Part D patients126

Marcel Sislowitz's Part D claims by kind of drug, 2024

  • Generic327 claims71%
  • Brand-name132 claims29%

Marcel Sislowitz'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 4682024: 38218%

Drugs named by CMS: 9 in 2024, 10 in 2023.

See all prescribing by Marcel Sislowitz

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

Marcel J. Sislowitz 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 Marcel Sislowitz for performance year 2024, reported individually.

Marcel Sislowitz'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.

Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

For MedTech and pharma teams

Find ophthalmologists like Marcel Sislowitz by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Marcel J. Sislowitz received $170 in industry payments from 2016 to 2023

CMS Open Payments shows 4 general payments to Marcel Sislowitz from 4 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Alcon Research Ltd paid the most, $69.

General payments to Marcel Sislowitz by program year, 2016 to 2023

Companies that paid Marcel Sislowitz the most, 2016 to 2023

Share is of all general payments to this clinician.

See all payments to Marcel Sislowitz

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

Marcel J. Sislowitz graduated from State University of New York Downstate Medical Center

Marcel Sislowitz graduated from State University of New York Downstate Medical Center in 1964.

  1. Medical schoolState University of New York Downstate Medical Center

Source: Dmand AI Professional Profile Data

Sources for Marcel J. Sislowitz'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
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 percentilesClinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile 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 Marcel J. Sislowitz

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

What is Marcel J. Sislowitz's NPI number?

Marcel J. Sislowitz's NPI number is 1124050109. It was assigned on July 7, 2006, and it is active in the NPI Registry.

What does Marcel J. Sislowitz specialize in?

Marcel J. Sislowitz is an ophthalmologist in New York, New York. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Marcel J. Sislowitz practice?

Marcel Sislowitz practices at 100 E 77th St, New York, NY 10075.

What is Marcel J. Sislowitz's office phone number?

The practice phone on file for Marcel Sislowitz is (212) 362-4200.

What is Marcel J. Sislowitz's medical license number?

Marcel Sislowitz holds New York license 094924.

Does Marcel J. Sislowitz accept Medicare?

Yes. CMS data shows Marcel Sislowitz billed Medicare for 842 services in 2024.

What is Marcel J. Sislowitz's MIPS score?

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

How many Medicare patients does Marcel J. Sislowitz see?

CMS counts 408 Medicare patients who saw Marcel Sislowitz in 2024, with an average age of 78.

What services does Marcel J. Sislowitz bill to Medicare?

In 2024, Marcel Sislowitz's most billed Medicare services were office visit, established patient (99215), eye exam or test (92201) and eye exam or test (92202).

Where did Marcel J. Sislowitz go to medical school?

Marcel Sislowitz graduated from State University of New York Downstate Medical Center in 1964.

Show 3 more questionsShow fewer questions

What drugs does Marcel J. Sislowitz prescribe most?

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

Has Marcel J. Sislowitz received payments from drug or device companies?

CMS Open Payments shows $170 in general payments to Marcel Sislowitz from 4 companies from 2016 to 2023. The largest total came from Alcon Research Ltd.

How long has Marcel J. Sislowitz been practicing?

Marcel Sislowitz graduated from medical school in 1964, 62 years ago.

Selling to ophthalmology practices?

See ophthalmologists in New York by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)