Dr. Jonathan S. Leibowitz, MD
- Medicare services, 2024
- 6,733
- Medicare patients, 2024
- 461
- Part D claims, 2024
- 11,317
- MIPS score, 2024
- 98
- Hospital affiliations
- 2
- Practice address
- 1343 55th St, Brooklyn, NY 11219-4202
- Practice phone
- Call (718) 972-7222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Rendr
Primary care practice · Brooklyn, New York
Find Dr. Leibowitz'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.
Dr. Jonathan S. Leibowitz is an internist in Brooklyn, New York
Dr. Leibowitz practices at Rendr in Brooklyn, New York.
Dr. Leibowitz's NPI, 1588665012, was assigned on August 9, 2005. Dr. Leibowitz graduated from State University of New York Downstate Medical Center College of Medicine in 1993. Dr. Leibowitz holds New York license 198424.
- NPI
- 1588665012NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7810977493
- NPI enumeration date
- August 9, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (718) 972-7222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jonathan S. Leibowitz practices at Rendr in Brooklyn, New York
Dr. Leibowitz's primary practice is Rendr, at 1343 55th St, Brooklyn, NY 11219-4202. The practice phone is (718) 972-7222.
- Rendr1343 55th St, Brooklyn, NY 11219-4202Phone(718) 972-7222
Source: Dmand AI Affiliation Data
Dr. Jonathan S. Leibowitz is affiliated with 6 sites of care and 1 medical group
Dr. Leibowitz's primary practice is Rendr in Brooklyn, New York. Dr. Leibowitz is also affiliated with Maimonides Medical Center. The medical group on file is Rendr Care Physicians. Dmand AI also links Dr. Leibowitz to 1 more hospital and 3 home health agencies, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Jonathan S. Leibowitz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leibowitz practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Rendr | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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.
Dr. Jonathan S. Leibowitz is one of 9,643 internists in New York
Internal medicine is Dr. Leibowitz's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Leibowitz is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Leibowitz
Counts of internists 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. Jonathan S. Leibowitz billed Medicare for 6,733 services in 2024
CMS data shows 6,733 Medicare services from Dr. Leibowitz across 36 procedure codes in 2024, for 461 Medicare patients. Medicare paid $373,051 for them. Every service was in an office.
Dr. Leibowitz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,6382024: 2,7695%
- Other services
- 2023: 7602024: 1,537102%
- Tests and treatments
- 2023: 1,0582024: 1,1044%
- Surgery
- 2023: 2982024: 616107%
- Lab and pathology
- 2023: 5112024: 56811%
- Drugs given in the office
- 2023: 1022024: 13936%
Dr. Leibowitz compared with the New York median for internists, 2024
- Dr. Leibowitz
- New York median
- Medicare services
- 6,733vs 42615.8 times
- Medicare patients
- 461vs 1582.9 times
- Part D claims
- 10,597vs 62217.0 times
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Leibowitz'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.
Need commercial claims for Dr. Leibowitz?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Leibowitz and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jonathan S. Leibowitz treated 461 Medicare patients in 2024, average age 73
CMS counts 461 Medicare patients who saw Dr. Leibowitz in 2024. The largest group is 65 to 74, with 239 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 34% are also on Medicaid. Their average risk score is 1.31, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Leibowitz's median patient age at 47, with 47% women.
Dr. Leibowitz's Medicare patients by age, 2024
Dr. Leibowitz's Medicare patients by sex, 2024
- Women23952%
- Men22248%
Chronic conditions among Dr. Leibowitz's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes67%
- Chronic kidney disease62%
- Heart failure46%
- Arthritis41%
- Ischemic heart disease22%
- Mood disorders22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Leibowitz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jonathan S. Leibowitz wrote 11,317 Medicare Part D claims in 2024
In 2024, Dr. Leibowitz wrote 11,317 Medicare Part D claims for 595 patients. 82% of them were for generic drugs. CMS names the drug for 10,597 of them, across 148 drugs with 11 or more claims each, at $1,575,837 in total drug cost. In 2023, CMS named 9,018 claims across 135 drugs.
Dr. Leibowitz's Part D claims by kind of drug, 2024
- Generic9,276 claims82%
- Brand-name1,964 claims17%
- Other77 claims1%
Dr. Leibowitz'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. Leibowitz's Part D claims, 2024
- Opioids0%26 of 11,317 claims
- Antibiotics4%433 of 11,317 claims
- Antipsychotics, patients 65 and over0%54 of 11,317 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: 9,0182024: 10,59718%
Drugs named by CMS: 148 in 2024, 135 in 2023.
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. Jonathan S. Leibowitz scored 98 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for Dr. Leibowitz for performance year 2024, reported individually. Dr. Leibowitz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Leibowitz as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Leibowitz's MIPS scores, performance year 2024
- 98of 100Final score
- 98.6of 100Quality
- 93of 100Promoting Interoperability
- 40of 100Improvement Activities
- 83of 100Cost
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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Jonathan S. Leibowitz received $6,013 in industry payments from 2016 to 2025
CMS Open Payments shows 219 general payments to Dr. Leibowitz from 32 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 71% of the total. Pfizer Inc. paid the most, $1,985.
General payments to Dr. Leibowitz by program year, 2016 to 2025
General payments to Dr. Leibowitz by kind, 2016 to 2025
- Food and beverage$4,24171%
- Consulting fees$1,65027%
- Education$1222%
Companies that paid Dr. Leibowitz the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jonathan S. Leibowitz graduated from State University of New York Downstate Medical Center College of Medicine
Dr. Leibowitz graduated from State University of New York Downstate Medical Center College of Medicine in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jonathan S. Leibowitz'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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 Dr. Jonathan S. Leibowitz
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. Jonathan S. Leibowitz's NPI number?
Dr. Jonathan S. Leibowitz's NPI number is 1588665012. It was assigned on August 9, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Jonathan S. Leibowitz?
Dr. Jonathan S. Leibowitz is an internist in Brooklyn, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jonathan S. Leibowitz practice?
Dr. Leibowitz practices at 1343 55th St, Brooklyn, NY 11219-4202. Dr. Leibowitz's primary practice is Rendr in Brooklyn, New York. Dmand AI also links Dr. Leibowitz to 1 hospital and 3 home health agencies.
What is Dr. Jonathan S. Leibowitz's office phone number?
The practice phone on file for Dr. Leibowitz is (718) 972-7222.
What is Dr. Jonathan S. Leibowitz's medical license number?
Dr. Leibowitz holds New York license 198424.
Which hospitals is Dr. Jonathan S. Leibowitz affiliated with?
Dr. Leibowitz is affiliated with Maimonides Medical Center. Dmand AI links Dr. Leibowitz to 1 more hospital.
What medical group is Dr. Jonathan S. Leibowitz part of?
Dr. Leibowitz is linked to Rendr Care Physicians.
Does Dr. Jonathan S. Leibowitz accept Medicare?
Yes. CMS data shows Dr. Leibowitz billed Medicare for 6,733 services in 2024, and Dr. Leibowitz accepts Medicare assignment.
Does Dr. Jonathan S. Leibowitz offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Leibowitz as offering telehealth services.
What is Dr. Jonathan S. Leibowitz's MIPS score?
Dr. Leibowitz's MIPS final score for performance year 2024 is 98 out of 100, reported individually.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Jonathan S. Leibowitz see?
CMS counts 461 Medicare patients who saw Dr. Leibowitz in 2024, with an average age of 73.
What services does Dr. Jonathan S. Leibowitz bill to Medicare?
In 2024, Dr. Leibowitz's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and surgery: heart and blood vessels (36415).
Where did Dr. Jonathan S. Leibowitz go to medical school?
Dr. Leibowitz graduated from State University of New York Downstate Medical Center College of Medicine in 1993.
What drugs does Dr. Jonathan S. Leibowitz prescribe most?
In 2024 Medicare Part D data, Dr. Leibowitz's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Rosuvastatin Calcium.
Has Dr. Jonathan S. Leibowitz received payments from drug or device companies?
CMS Open Payments shows $6,013 in general payments to Dr. Leibowitz from 32 companies from 2016 to 2025. The largest total came from Pfizer Inc.
How long has Dr. Jonathan S. Leibowitz been practicing?
Dr. Leibowitz graduated from medical school in 1993, 33 years ago.
Selling to internal medicine practices?
See internists 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