Dr. Mark Stephen Flugman, MD

  • Oceanside, NY
  • Ophthalmologist
NPI1013901024PAC ID8729100185
Medicare services, 2024
2,983
Medicare patients, 2024
809
Part D claims, 2024
1,203
MIPS score, 2024
93
Hospital affiliations
1
Practice address
One Healthy Way, Oceanside, NY 11572
Practice phone
Call (516) 632-3000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Mount Sinai South Nassau

Hospital · Oceanside, New York

See all 4 affiliations

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Dr. Mark Stephen Flugman is an ophthalmologist in Oceanside, New York

Dr. Flugman practices at Mount Sinai South Nassau in Oceanside, New York, part of Mount Sinai Health System.

Dr. Flugman's NPI, 1013901024, was assigned on September 6, 2005. Dr. Flugman graduated from Universidad de Guadalajara in 1978. Dr. Flugman holds New York license 141643.

NPI and contact details
Medicare PAC ID
8729100185
NPI enumeration date
September 6, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(516) 632-3000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
74
Medical school graduation
1978

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

Dr. Mark Stephen Flugman practices at 2 locations in Oceanside, New York

Dr. Flugman's primary practice is Mount Sinai South Nassau, at One Healthy Way, Oceanside, NY 11572 in Nassau County. The practice phone is (516) 632-3000. Dr. Flugman also practices at South Nassau Communities Hospital, 1 Healthy Way, Oceanside, NY 11572.

  • Mount Sinai South NassauPrimary
    One Healthy Way, Oceanside, NY 11572 · Nassau CountyPhone(516) 632-3000
  • South Nassau Communities Hospital
    1 Healthy Way, Oceanside, NY 11572 · Nassau CountyPhone(516) 632-3000

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

Dr. Mark Stephen Flugman is affiliated with 3 sites of care and 1 medical group

Dr. Flugman's primary practice is Mount Sinai South Nassau in Oceanside, New York, part of Mount Sinai Health System. Dmand AI also links Dr. Flugman to 1 physician office, 1 group practice or clinic and 1 medical group, each named with a free account.

See all 4 affiliations for Dr. Flugman

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Mark Stephen Flugman's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Flugman practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Mount Sinai South NassauAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Mark Stephen Flugman is one of 1,467 ophthalmologists in New York

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

Specialties and state licenses

  • Ophthalmology, New YorkPrimaryLicense 141643 · taxonomy 207W00000X

Ophthalmologists near Dr. Flugman

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. Mark Stephen Flugman billed Medicare for 2,983 services in 2024

CMS data shows 2,983 Medicare services from Dr. Flugman across 9 procedure codes in 2024, for 809 Medicare patients. Medicare paid $203,220 for them.

Medicare services, 20242,983
Medicare patients809
Paid by Medicare$203,220
Procedure codes9

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

  • 2023
  • 2024
Tests and treatments
2023: 2,9862024: 2,9362%
Surgery
2023: 382024: 4724%

Where Dr. Flugman's Medicare services took place, 2024

  • In an office2,95299%
  • In a facility311%

Dr. Flugman compared with the New York median for ophthalmologists, 2024

  • Dr. Flugman
  • New York median
Medicare services
2,983vs 1,2582.4 times
Medicare patients
809vs 43686% above
Part D claims
1,089vs 64768% above

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

Dr. Flugman'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. Flugman

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

Dr. Mark Stephen Flugman treated 809 Medicare patients in 2024, average age 77

CMS counts 809 Medicare patients who saw Dr. Flugman in 2024. The largest group is 75 to 84, with 348 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 3% are also on Medicaid. Their average risk score is 1.05, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Flugman's median patient age at 70, with 52% women.

Medicare patients, 2024809
Average age77
Average risk score1.05
Also on Medicaid3%

Dr. Flugman's Medicare patients by age, 2024

Dr. Flugman's Medicare patients by sex, 2024

  • Women47158%
  • Men33842%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis47%
  4. Diabetes36%
  5. Ischemic heart disease31%
  6. Cancer21%
  7. Osteoporosis18%
  8. Anxiety17%

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

Dr. Flugman's patients across all payers

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

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women52%
  • Men46%

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

Dr. Mark Stephen Flugman wrote 1,203 Medicare Part D claims in 2024

In 2024, Dr. Flugman wrote 1,203 Medicare Part D claims for 262 patients. 75% of them were for generic drugs. CMS names the drug for 1,089 of them, across 20 drugs with 11 or more claims each, at $113,894 in total drug cost. In 2023, CMS named 1,134 claims across 18 drugs.

Part D claims, 20241,203
Drugs named by CMS20
Total drug cost$113,894
Part D patients262

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

  • Generic902 claims75%
  • Brand-name and other301 claims25%

Dr. Flugman'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. Flugman's Part D claims, 2024

  • Antibiotics4%45 of 1,203 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: 1,1342024: 1,0894%

Drugs named by CMS: 20 in 2024, 18 in 2023.

See all prescribing by Dr. Flugman

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. Mark Stephen Flugman scored 93 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Flugman for performance year 2024, reported individually. Dr. Flugman accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 93 procedures of cataract surgery by Dr. Flugman, more than 73% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Flugman's MIPS scores, performance year 2024

  • 93of 100Final score
  • 100of 100Quality
  • 40of 100Improvement Activities
  • 75of 100Cost

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

Where Dr. Flugman ranks in Medicare procedure volume

Cataract surgery
73rd percentile93 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. Mark Stephen Flugman received $710 in industry payments from 2016 to 2025

CMS Open Payments shows 24 general payments to Dr. Flugman from 12 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $258.

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

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

Share is of all general payments to this clinician.

See all payments to Dr. Flugman

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

Dr. Mark Stephen Flugman graduated from Universidad de Guadalajara

Dr. Flugman graduated from Universidad de Guadalajara in 1978.

  1. Medical schoolUniversidad de Guadalajara

Source: Dmand AI Professional Profile Data

Sources for Dr. Mark Stephen Flugman'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 Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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)
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 Dr. Mark Stephen Flugman

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. Mark Stephen Flugman's NPI number?

Dr. Mark Stephen Flugman's NPI number is 1013901024. It was assigned on September 6, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Mark Stephen Flugman?

Dr. Mark Stephen Flugman is an ophthalmologist in Oceanside, New York. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Mark Stephen Flugman practice?

Dr. Flugman practices at One Healthy Way, Oceanside, NY 11572. Dr. Flugman also practices at 1 Healthy Way, Oceanside, NY 11572. Dr. Flugman's primary practice is Mount Sinai South Nassau in Oceanside, New York, part of Mount Sinai Health System. Dmand AI also links Dr. Flugman to 1 physician office, 1 group practice or clinic and 1 medical group.

What is Dr. Mark Stephen Flugman's office phone number?

The practice phone on file for Dr. Flugman is (516) 632-3000.

What is Dr. Mark Stephen Flugman's medical license number?

Dr. Flugman holds New York license 141643.

Which hospitals is Dr. Mark Stephen Flugman affiliated with?

Dr. Flugman practices at Mount Sinai South Nassau in Oceanside, New York.

Does Dr. Mark Stephen Flugman accept Medicare?

Yes. CMS data shows Dr. Flugman billed Medicare for 2,983 services in 2024, and Dr. Flugman accepts Medicare assignment.

What is Dr. Mark Stephen Flugman's MIPS score?

Dr. Flugman's MIPS final score for performance year 2024 is 93 out of 100, reported individually.

How many Medicare patients does Dr. Mark Stephen Flugman see?

CMS counts 809 Medicare patients who saw Dr. Flugman in 2024, with an average age of 77.

What services does Dr. Mark Stephen Flugman bill to Medicare?

In 2024, Dr. Flugman's most billed Medicare services were eye exam or test (92250), eye exam or test (92014) and eye exam or test (92012).

Show 4 more questionsShow fewer questions

Where did Dr. Mark Stephen Flugman go to medical school?

Dr. Flugman graduated from Universidad de Guadalajara in 1978.

What drugs does Dr. Mark Stephen Flugman prescribe most?

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

Has Dr. Mark Stephen Flugman received payments from drug or device companies?

CMS Open Payments shows $710 in general payments to Dr. Flugman from 12 companies from 2016 to 2025. The largest total came from Alcon Laboratories Inc.

How long has Dr. Mark Stephen Flugman been practicing?

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

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