Brian Lee Markowitz

  • Mineola, NY
  • Gastroenterologist
NPI1073812830PAC ID0244504264
Medicare services, 2024
681
Medicare patients, 2024
332
Part D claims, 2024
582
Publications
3
MIPS score, 2024
91
Practice address
259 1st St, Mineola, NY 11501
Practice phone
Call (516) 576-1820
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

NYU Langone Hospitals - Long Island

Mineola, New York

See all 7 affiliations

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Brian Lee Markowitz is a gastroenterologist in Mineola, New York

Brian Markowitz practices at NYU Langone Hospitals - Long Island in Mineola, New York.

Brian Markowitz's NPI, 1073812830, was assigned on March 19, 2011. Brian Markowitz graduated from State University of New York Downstate Medical Center College of Medicine in 2011. Brian Markowitz holds New York license 267938.

NPI and contact details
Medicare PAC ID
0244504264
NPI enumeration date
March 19, 2011
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(516) 576-1820
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
41
Medical school graduation
2011

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

Brian Lee Markowitz practices at NYU Langone Hospitals - Long Island in Mineola, New York

Brian Markowitz's primary practice is NYU Langone Hospitals - Long Island, at 259 1st St, Mineola, NY 11501 in Nassau County. The practice phone is (516) 576-1820.

  • NYU Langone Hospitals - Long Island
    259 1st St, Mineola, NY 11501 · Nassau CountyPhone(516) 576-1820

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

Brian Lee Markowitz is affiliated with 5 sites of care and 2 medical groups

Brian Markowitz's primary practice is NYU Langone Hospitals - Long Island in Mineola, New York. Brian Markowitz is also affiliated with Tisch Hospital. The medical group on file is NYU Langone Orthopedic Surgery Associates. Dmand AI also links Brian Markowitz to 2 more hospitals, 1 group practice or clinic and 1 medical group, each named with a free account.

See all 7 affiliations for Brian Markowitz

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

Dmand AI tracks the EHR system at Brian Lee Markowitz's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Brian Markowitz practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
NYU Langone Hospitals - Long IslandAvailable with a free account
+4 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Brian Lee Markowitz is one of 1,583 gastroenterologists in New York

Gastroenterology is Brian Markowitz's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Brian Markowitz is board certified in gastroenterology by the American Board of Internal Medicine. Brian Markowitz is licensed in New York.

Specialties and state licenses

  • Gastroenterology, New YorkPrimaryLicense 267938 · taxonomy 207RG0100X

Gastroenterologists near Brian Markowitz

Counts of gastroenterologists 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

Brian Lee Markowitz billed Medicare for 681 services in 2024

CMS data shows 681 Medicare services from Brian Markowitz across 10 procedure codes in 2024, for 332 Medicare patients. Medicare paid $110,873 for them. Every service was in an office.

Medicare services, 2024681
Medicare patients332
Paid by Medicare$110,873
Procedure codes10

Brian Markowitz's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3022024: 40333%
Surgery
2023: 2122024: 26525%
Tests and treatments
2023: 02024: 13

Brian Markowitz compared with the New York median for gastroenterologists, 2024

  • Brian Markowitz
  • New York median
Medicare services
681vs 42162% above
Medicare patients
332vs 23641% above
Part D claims
417vs 3829% above

Medians across 1,551 gastroenterologists in New York with Dmand AI profiles that report each measure.

Brian Markowitz'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 Brian Markowitz

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

Brian Lee Markowitz treated 332 Medicare patients in 2024, average age 73

CMS counts 332 Medicare patients who saw Brian Markowitz in 2024. The largest group is 65 to 74, with 172 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 7% are also on Medicaid. Their average risk score is 1.14, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Brian Markowitz's median patient age at 56, with 51% women.

Medicare patients, 2024332
Average age73
Average risk score1.14
Also on Medicaid7%

Brian Markowitz's Medicare patients by age, 2024

Brian Markowitz's Medicare patients by sex, 2024

  • Women17653%
  • Men15647%

Chronic conditions among Brian Markowitz's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure73%
  3. Arthritis52%
  4. Ischemic heart disease38%
  5. Anxiety31%
  6. Diabetes28%
  7. Mood disorders21%
  8. COPD20%

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

Brian Markowitz's patients across all payers

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

Patient panel by age, all payers

Median age 56

Patient panel by sex, all payers

  • Women51%
  • Men47%

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

Brian Lee Markowitz wrote 582 Medicare Part D claims in 2024

In 2024, Brian Markowitz wrote 582 Medicare Part D claims for 256 patients. 70% of them were for generic drugs. CMS names the drug for 417 of them, across 12 drugs with 11 or more claims each, at $67,313 in total drug cost. In 2023, CMS named 299 claims across 9 drugs.

Part D claims, 2024582
Drugs named by CMS12
Total drug cost$67,313
Part D patients256

Brian Markowitz's Part D claims by kind of drug, 2024

  • Generic408 claims70%
  • Brand-name174 claims30%

Brian Markowitz'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 Brian Markowitz's Part D claims, 2024

  • Antibiotics7%43 of 582 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: 2992024: 41739%

Drugs named by CMS: 12 in 2024, 9 in 2023.

See all prescribing by Brian Markowitz

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

Brian Lee Markowitz scored 91 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Brian Markowitz for performance year 2024, reported as part of a group. Brian Markowitz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Brian Markowitz as offering telehealth. CMS counts 129 procedures of colonoscopy by Brian Markowitz, more than 86% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Brian Markowitz's MIPS scores, performance year 2024

  • 91of 100Final score
  • 91.8of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 75of 100Cost

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

Where Brian Markowitz ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
82nd percentile131 procedures
Colonoscopy
86th percentile129 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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Brian Lee Markowitz has 3 publications on record

Dmand AI links 3 papers to Brian Markowitz, published from 2017 to 2021. Brian Markowitz has published most often in Endoscopy. Brian Markowitz's most frequent co-authors are David Leslie Carr-Locke, MD, Lionel S. D'Souza, MD and Arvind Julius Trindade, MD.

Papers3
Years published2017 to 2021

Brian Markowitz's papers by year, 2017 to 2021

Brian Markowitz's most frequent co-authors

Recent publications by Brian Markowitz

See all 3 publications and co-authors

See who Brian Markowitz researches with

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

How network discovery works

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

Brian Lee Markowitz received $853 in industry payments from 2016 to 2025

CMS Open Payments shows 9 general payments to Brian Markowitz from 4 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 88% of the total. Abbvie Inc. paid the most, $369.

General payments to Brian Markowitz by program year, 2016 to 2025

General payments to Brian Markowitz by kind, 2016 to 2025

$853in total
  • Food and beverage$75488%
  • Gifts$10012%

Companies that paid Brian Markowitz the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Brian Markowitz

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

Brian Lee Markowitz graduated from State University of New York Downstate Medical Center College of Medicine

Brian Markowitz graduated from State University of New York Downstate Medical Center College of Medicine in 2011.

  1. Medical schoolState University of New York Downstate Medical Center College of Medicine
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Sources for Brian Lee Markowitz'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
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 Brian Lee Markowitz

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

What is Brian Lee Markowitz's NPI number?

Brian Lee Markowitz's NPI number is 1073812830. It was assigned on March 19, 2011, and it is active in the NPI Registry.

What does Brian Lee Markowitz specialize in?

Brian Lee Markowitz is a gastroenterologist in Mineola, New York. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Brian Lee Markowitz practice?

Brian Markowitz practices at 259 1st St, Mineola, NY 11501. Brian Markowitz's primary practice is NYU Langone Hospitals - Long Island in Mineola, New York. Dmand AI also links Brian Markowitz to 2 hospitals, 1 group practice or clinic and 1 medical group.

What is Brian Lee Markowitz's office phone number?

The practice phone on file for Brian Markowitz is (516) 576-1820.

What is Brian Lee Markowitz's medical license number?

Brian Markowitz holds New York license 267938.

Which hospitals is Brian Lee Markowitz affiliated with?

Brian Markowitz is affiliated with Tisch Hospital. Dmand AI links Brian Markowitz to 2 more hospitals.

What medical group is Brian Lee Markowitz part of?

Brian Markowitz is linked to NYU Langone Orthopedic Surgery Associates. Dmand AI links Brian Markowitz to 1 more medical group.

Does Brian Lee Markowitz accept Medicare?

Yes. CMS data shows Brian Markowitz billed Medicare for 681 services in 2024, and Brian Markowitz accepts Medicare assignment.

Does Brian Lee Markowitz offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Brian Markowitz as offering telehealth services.

What is Brian Lee Markowitz's MIPS score?

Brian Markowitz's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.

Show 9 more questionsShow fewer questions

How many Medicare patients does Brian Lee Markowitz see?

CMS counts 332 Medicare patients who saw Brian Markowitz in 2024, with an average age of 73.

Is Brian Lee Markowitz board certified?

Yes. Brian Markowitz is board certified in gastroenterology by the American Board of Internal Medicine.

What services does Brian Lee Markowitz bill to Medicare?

In 2024, Brian Markowitz's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and office visit, new patient (99203).

Where did Brian Lee Markowitz go to medical school?

Brian Markowitz graduated from State University of New York Downstate Medical Center College of Medicine in 2011.

What drugs does Brian Lee Markowitz prescribe most?

In 2024 Medicare Part D data, Brian Markowitz's most prescribed drugs by claims were Sod Sulf-Potass Sulf-Mag Sulf, Omeprazole and Pantoprazole Sodium.

Has Brian Lee Markowitz received payments from drug or device companies?

CMS Open Payments shows $853 in general payments to Brian Markowitz from 4 companies from 2016 to 2025. The largest total came from Abbvie Inc.

How long has Brian Lee Markowitz been practicing?

Brian Markowitz graduated from medical school in 2011, 15 years ago.

Does Brian Lee Markowitz do research?

Dmand AI links 3 publications to Brian Markowitz, published from 2017 to 2021.

Who does Brian Lee Markowitz publish with?

Brian Markowitz's most frequent co-authors are David Leslie Carr-Locke, MD (1 shared paper), Lionel S. D'Souza, MD (1 shared paper) and Arvind Julius Trindade, MD (1 shared paper).

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