Ellvin John Mar, OD
- Medicare patients, 2024
- 100
- Part D claims, 2024
- 35
- Industry payments
- $21
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 1728 Sunrise Hwy, Merrick, NY 11566
- Practice phone
- Call (516) 992-4700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Orlin & Cohen Medical Specialists Group
Merrick, New York
Find Ellvin Mar'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.
Ellvin John Mar is an optometrist in Merrick, New York
Ellvin Mar practices at Orlin & Cohen Medical Specialists Group in Merrick, New York.
Ellvin Mar's NPI, 1790965101, was assigned on November 14, 2007. Ellvin Mar graduated from State University of New York - State College Optometry in 2007. Ellvin Mar holds New York license 007221.
- NPI
- 1790965101NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355415035
- NPI enumeration date
- November 14, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (516) 992-4700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Ellvin John Mar practices at Orlin & Cohen Medical Specialists Group in Merrick, New York
Ellvin Mar's primary practice is Orlin & Cohen Medical Specialists Group, at 1728 Sunrise Hwy, Merrick, NY 11566 in Nassau County. The practice phone is (516) 992-4700.
- Orlin & Cohen Medical Specialists Group1728 Sunrise Hwy, Merrick, NY 11566 · Nassau CountyPhone(516) 992-4700
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Ellvin John Mar is affiliated with 2 sites of care and 1 medical group
Ellvin Mar's primary practice is Orlin & Cohen Medical Specialists Group in Merrick, New York. Dmand AI also links Ellvin Mar to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Ellvin John Mar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Ellvin Mar practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Orlin & Cohen Medical Specialists Group | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Ellvin John Mar is one of 2,393 optometrists in New York
Optometrist is Ellvin Mar's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Ellvin Mar is licensed in New York.
Specialties and state licenses
- Optometrist, New YorkPrimary
Optometrists near Ellvin Mar
Counts of optometrists 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
Ellvin John Mar treated 100 Medicare patients in 2024, average age 74
CMS counts 100 Medicare patients who saw Ellvin Mar in 2024. The largest group is 65 to 74, with 44 patients. 75% of them have high cholesterol, and 64% have high blood pressure. Their average risk score is 0.86, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Ellvin Mar's median patient age at 68, with 65% women.
Ellvin Mar's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Ellvin Mar's Medicare patients by sex, 2024
- Women5656%
- Men4444%
Chronic conditions among Ellvin Mar's Medicare patients, 2024
- High cholesterol75%
- High blood pressure64%
- Arthritis46%
- Ischemic heart disease24%
- Diabetes22%
- Anxiety20%
- Mood disorders18%
- Chronic kidney disease17%
Share of Medicare patients with each condition. A patient can have several.
Ellvin Mar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women65%
- Men30%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Ellvin John Mar wrote 35 Medicare Part D claims in 2024
In 2024, Ellvin Mar wrote 35 Medicare Part D claims. 74% of them were for generic drugs.
Ellvin Mar's Part D claims by kind of drug, 2024
- Generic26 claims74%
- Brand-name and other9 claims26%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Ellvin John Mar takes part in Medicare
Ellvin Mar accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Ellvin John Mar received $21 in industry payments in 2025
CMS Open Payments shows 1 general payment to Ellvin Mar from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Bausch & Lomb Americas Inc. paid the most, $21.
Companies that paid Ellvin Mar the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Ellvin John Mar graduated from State University of New York - State College Optometry
Ellvin Mar graduated from State University of New York - State College Optometry in 2007.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Ellvin John Mar's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Ellvin John Mar
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Ellvin John Mar's NPI number?
Ellvin John Mar's NPI number is 1790965101. It was assigned on November 14, 2007, and it is active in the NPI Registry.
What does Ellvin John Mar specialize in?
Ellvin John Mar is an optometrist in Merrick, New York. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Ellvin John Mar practice?
Ellvin Mar practices at 1728 Sunrise Hwy, Merrick, NY 11566. Ellvin Mar's primary practice is Orlin & Cohen Medical Specialists Group in Merrick, New York. Dmand AI also links Ellvin Mar to 1 group practice or clinic and 1 medical group.
What is Ellvin John Mar's office phone number?
The practice phone on file for Ellvin Mar is (516) 992-4700.
What is Ellvin John Mar's medical license number?
Ellvin Mar holds New York license 007221.
Does Ellvin John Mar accept Medicare?
Yes. CMS lists Ellvin Mar as accepting Medicare assignment.
How many Medicare patients does Ellvin John Mar see?
CMS counts 100 Medicare patients who saw Ellvin Mar in 2024, with an average age of 74.
Where did Ellvin John Mar go to medical school?
Ellvin Mar graduated from State University of New York - State College Optometry in 2007.
Has Ellvin John Mar received payments from drug or device companies?
CMS Open Payments shows $21 in general payments to Ellvin Mar from 1 company from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.
How long has Ellvin John Mar been practicing?
Ellvin Mar graduated from medical school in 2007, 19 years ago.
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