Dr. Leonid Poretsky, MD

  • New York, NY
  • Endocrinologist
NPI1962491811PAC ID0042284572
Medicare services, 2024
1,071
Medicare patients, 2024
180
Part D claims, 2024
74
Publications
94
Clinical trials
1
Practice address
110 E 59th St, New York, NY 10022
Practice phone
Call (516) 321-7400
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Northwell Health Physician Partners Cardiology

New York, New York

See all 5 affiliations

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Dr. Leonid Poretsky is an endocrinologist in New York, New York

Dr. Poretsky practices at Northwell Health Physician Partners Cardiology in New York, New York.

Dr. Poretsky's NPI, 1962491811, was assigned on October 13, 2005. Dr. Poretsky graduated from St Petersburg Medical State Academy in 1977. Dr. Poretsky holds New York license 155121.

NPI and contact details
Medicare PAC ID
0042284572
NPI enumeration date
October 13, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(516) 321-7400
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
75
Medical school graduation
1977

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

Dr. Leonid Poretsky practices at Northwell Health Physician Partners Cardiology in New York, New York

Dr. Poretsky's primary practice is Northwell Health Physician Partners Cardiology, at 110 E 59th St, New York, NY 10022 in New York County. The practice phone is (516) 321-7400.

  • Northwell Health Physician Partners Cardiology
    110 E 59th St, New York, NY 10022 · New York CountyPhone(516) 321-7400

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

Dr. Leonid Poretsky is affiliated with 3 sites of care and 2 medical groups

Dr. Poretsky's primary practice is Northwell Health Physician Partners Cardiology in New York, New York. Dr. Poretsky is also affiliated with Lenox Hill Hospital. The medical group on file is Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI also links Dr. Poretsky to 1 more group practice or clinic and 1 medical group, each named with a free account.

See all 5 affiliations for Dr. Poretsky

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

Dmand AI tracks the EHR system at Dr. Leonid Poretsky's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Poretsky practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Northwell Health Physician Partners CardiologyAvailable 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. Leonid Poretsky is one of 835 endocrinologists in New York

Endocrinology, diabetes and metabolism is Dr. Poretsky's primary specialty in the NPI Registry, under taxonomy code 207RE0101X. Dr. Poretsky is board certified in endocrinology, diabetes and metabolism by the American Board of Internal Medicine. Dmand AI has Dr. Poretsky's licenses on file in 5 states: New York, California, Massachusetts, Pennsylvania and Maryland.

Specialties and state licenses

  • Endocrinology, diabetes and metabolism, New YorkPrimaryLicense 155121 · 1983 to 2027 · taxonomy 207RE0101X
  • California licenseSince 1982
  • Massachusetts license1983 to 2019
  • Pennsylvania license1996 to 2006
  • Maryland license1981 to 1985

Clinical focus

Dmand AI lists chronic diabetes, diabetic emergency, enlarged thyroid, high cholesterol, obesity, osteoporosis, overactive thyroid and parathyroid gland disorder among the conditions Dr. Poretsky treats.

Endocrinologists near Dr. Poretsky

Counts of endocrinologists 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. Leonid Poretsky billed Medicare for 1,071 services in 2024

CMS data shows 1,071 Medicare services from Dr. Poretsky across 7 procedure codes in 2024, for 180 Medicare patients. Medicare paid $41,350 for them. Every service was in an office.

Medicare services, 20241,071
Medicare patients180
Paid by Medicare$41,350
Procedure codes7

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

  • 2023
  • 2024
Lab and pathology
2023: 3432024: 39716%
Office and hospital visits
2023: 3142024: 3034%
Other services
2023: 02024: 278
Surgery
2023: 312024: 93200%

Dr. Poretsky compared with the New York median for endocrinologists, 2024

  • Dr. Poretsky
  • New York median
Medicare services
1,071vs 61375% above
Medicare patients
180vs 24025% below
Part D claims
37vs 1,35697% below

Medians across 816 endocrinologists in New York with Dmand AI profiles that report each measure.

Dr. Poretsky'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. Poretsky

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

Dr. Leonid Poretsky treated 180 Medicare patients in 2024, average age 75

CMS counts 180 Medicare patients who saw Dr. Poretsky in 2024. The largest group is 65 to 74, with 76 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 32% are also on Medicaid. Their average risk score is 1.52, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Poretsky's median patient age at 67, with 53% women.

Medicare patients, 2024180
Average age75
Average risk score1.52
Also on Medicaid32%

Dr. Poretsky's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Poretsky's Medicare patients by sex, 2024

  • Women10458%
  • Men7642%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes73%
  4. Arthritis54%
  5. Ischemic heart disease53%
  6. Chronic kidney disease32%
  7. Mood disorders29%
  8. Depression27%

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

Dr. Poretsky's patients across all payers

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

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women53%
  • Men42%

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

Dr. Leonid Poretsky wrote 74 Medicare Part D claims in 2024

In 2024, Dr. Poretsky wrote 74 Medicare Part D claims for 29 patients. 54% of them were for generic drugs. CMS names the drug for 37 of them, across 2 drugs with 11 or more claims each, at $29,518 in total drug cost. In 2022, CMS named 119 claims across 6 drugs.

Part D claims, 202474
Drugs named by CMS2
Total drug cost$29,518
Part D patients29

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

  • Generic40 claims54%
  • Brand-name and other34 claims46%

Dr. Poretsky's most prescribed drugs by claims, 2023

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, 2022 to 2023

  • 2022
  • 2023
Claims for drugs CMS names
2022: 1192023: 3769%

Drugs named by CMS: 2 in 2023, 6 in 2022.

See all prescribing by Dr. Poretsky

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. Leonid Poretsky 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. Poretsky for performance year 2024, reported through an alternative payment model (APM). Dr. Poretsky accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Poretsky as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Poretsky's MIPS scores, performance year 2024

  • 93of 100Final score
  • 79.8of 100Quality
  • 89of 100Promoting Interoperability
  • 40of 100Improvement Activities

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

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

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Dr. Leonid Poretsky has 94 publications on record

Dmand AI links 94 papers to Dr. Poretsky, published from 2005 to 2024. 2019 was the busiest year, with 7. The most frequent topics are Insulin, Ovary and Insulin Resistance. Dr. Poretsky has published most often in J Clin Endocrinol Metab. Dr. Poretsky's most frequent co-authors are Zev Rosenwaks, MD, Takako Araki, MD and Emilia P. Liao, MD.

Papers94
Years published2005 to 2024

Dr. Poretsky's papers by year, 2015 to 2024

Topics Dr. Poretsky writes about most

  • Insulin
  • Ovary
  • Insulin Resistance
  • Polycystic Ovary Syndrome
  • Granulosa Cells
  • Cells, Cultured
  • Diabetes Mellitus
  • Receptor, Insulin

Dr. Poretsky's most frequent co-authors

Recent publications by Dr. Poretsky

See all 94 publications and co-authors

See who Dr. Poretsky researches with

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

How network discovery works

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

Dr. Leonid Poretsky has worked on 1 clinical trial

Dmand AI links Dr. Poretsky to 1 clinical trial. Conditions studied include Prediabetic State and Diabetes Mellitus, Type 2.

Conditions in Dr. Poretsky's trials

  • Prediabetic State
  • Diabetes Mellitus, Type 2

Investigators on the most trials with Dr. Poretsky

Recent clinical trials with Dr. Poretsky

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Leonid Poretsky received $6,732 in industry payments from 2016 to 2022

CMS Open Payments shows 14 general payments to Dr. Poretsky from 7 drug and device companies from 2016 to 2022. Consulting fees make up the largest share, 81% of the total. Sanofi and Genzyme US Companies paid the most, $6,470.

General payments to Dr. Poretsky by program year, 2016 to 2022

General payments to Dr. Poretsky by kind, 2016 to 2022

$6.7Kin total
  • Consulting fees$5,48581%
  • Speaker and faculty fees$75011%
  • Food and beverage$4036%
  • Education$751%
  • Travel and lodging$200%

Companies that paid Dr. Poretsky the most, 2016 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Poretsky

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

Dr. Leonid Poretsky has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Poretsky.

Awards and honors for Dr. Poretsky

  1. Undated
    • Super Doc
    • Top Doctors: New York Metro Area

Source: Dmand AI Professional Profile Data

Dr. Leonid Poretsky graduated from St Petersburg Medical State Academy

Dr. Poretsky graduated from St Petersburg Medical State Academy in 1977. Dr. Poretsky is a member of AACE and ENDO.

  1. Medical schoolSt Petersburg Medical State Academy
  2. Board certified in endocrinology, diabetes and metabolismAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Leonid Poretsky accepts plans from 16 insurance carriers

Dr. Poretsky is in network with 16 carriers, including Aetna, United Healthcare and Elevance. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

Plan types Dr. Poretsky accepts, by number of carriers

  1. PPO11
  2. Medicare8
  3. HMO7
  4. EPO5
  5. POS2

Source: Dmand AI Insurance Network Data

Sources for Dr. Leonid Poretsky'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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
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. Leonid Poretsky

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. Leonid Poretsky's NPI number?

Dr. Leonid Poretsky's NPI number is 1962491811. It was assigned on October 13, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Leonid Poretsky?

Dr. Leonid Poretsky is an endocrinologist in New York, New York. The primary specialty in the NPI Registry is Endocrinology, Diabetes & Metabolism Physician (taxonomy code 207RE0101X).

Where does Dr. Leonid Poretsky practice?

Dr. Poretsky practices at 110 E 59th St, New York, NY 10022. Dr. Poretsky's primary practice is Northwell Health Physician Partners Cardiology in New York, New York. Dmand AI also links Dr. Poretsky to 1 group practice or clinic and 1 medical group.

What is Dr. Leonid Poretsky's office phone number?

The practice phone on file for Dr. Poretsky is (516) 321-7400.

What is Dr. Leonid Poretsky's medical license number?

Dr. Poretsky holds New York license 155121, one of the licenses on file in 5 states.

Which states has Dr. Leonid Poretsky been licensed in?

Dmand AI has state licenses on file for Dr. Poretsky in New York (1983 to 2027), California (since 1982), Massachusetts (1983 to 2019), Pennsylvania (1996 to 2006) and Maryland (1981 to 1985).

Which hospitals is Dr. Leonid Poretsky affiliated with?

Dr. Poretsky is affiliated with Lenox Hill Hospital.

What medical group is Dr. Leonid Poretsky part of?

Dr. Poretsky is linked to Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI links Dr. Poretsky to 1 more medical group.

Does Dr. Leonid Poretsky accept Medicare?

Yes. CMS data shows Dr. Poretsky billed Medicare for 1,071 services in 2024, and Dr. Poretsky accepts Medicare assignment.

Does Dr. Leonid Poretsky offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Poretsky as offering telehealth services.

Show 11 more questionsShow fewer questions

What is Dr. Leonid Poretsky's MIPS score?

Dr. Poretsky's MIPS final score for performance year 2024 is 93 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Dr. Leonid Poretsky see?

CMS counts 180 Medicare patients who saw Dr. Poretsky in 2024, with an average age of 75.

Is Dr. Leonid Poretsky board certified?

Yes. Dr. Poretsky is board certified in endocrinology, diabetes and metabolism by the American Board of Internal Medicine.

What services does Dr. Leonid Poretsky bill to Medicare?

In 2024, Dr. Poretsky's most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and lab and pathology test (82962).

Where did Dr. Leonid Poretsky go to medical school?

Dr. Poretsky graduated from St Petersburg Medical State Academy in 1977.

What drugs does Dr. Leonid Poretsky prescribe most?

In 2023 Medicare Part D data, Dr. Poretsky's most prescribed drugs by claims were Jardiance and Levothyroxine Sodium.

Has Dr. Leonid Poretsky received payments from drug or device companies?

CMS Open Payments shows $6,732 in general payments to Dr. Poretsky from 7 companies from 2016 to 2022. The largest total came from Sanofi and Genzyme US Companies.

How long has Dr. Leonid Poretsky been practicing?

Dr. Poretsky graduated from medical school in 1977, 49 years ago.

Does Dr. Leonid Poretsky do research?

Dmand AI links 94 publications to Dr. Poretsky, published from 2005 to 2024. Dr. Poretsky has worked on 1 clinical trial.

Who does Dr. Leonid Poretsky publish with?

Dr. Poretsky's most frequent co-authors are Zev Rosenwaks, MD (14 shared papers), Takako Araki, MD (4 shared papers) and Emilia P. Liao, MD (4 shared papers).

What insurance does Dr. Leonid Poretsky accept?

Dr. Poretsky is in network with 16 carriers, including Aetna, United Healthcare and Elevance. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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