Jonathan B. Lesser
- Medicare services, 2023
- 78
- Medicare patients, 2024
- 105
- Industry payments
- $28
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 1000 10th Ave, New York, NY 10019
- Practice phone
- Call (212) 523-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mount Sinai West - NYC
New York, New York
Find Jonathan Lesser'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.
Jonathan B. Lesser is an anesthesiologist in New York, New York
Jonathan Lesser practices at Mount Sinai West - NYC in New York, New York.
Jonathan Lesser's NPI, 1790714178, was assigned on June 30, 2006. Jonathan Lesser graduated from Tulane University School of Medicine in 1988. Jonathan Lesser holds New York license 178745.
- NPI
- 1790714178NPI Registry (opens in a new tab)
- NPI enumeration date
- June 30, 2006
- NPI status
- Active
- Practice phone
- (212) 523-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Jonathan B. Lesser practices at Mount Sinai West - NYC in New York, New York
Jonathan Lesser's primary practice is Mount Sinai West - NYC, at 1000 10th Ave, New York, NY 10019 in New York County. The practice phone is (212) 523-4000.
- Mount Sinai West - NYC1000 10th Ave, New York, NY 10019 · New York CountyPhone(212) 523-4000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Jonathan B. Lesser is affiliated with 2 sites of care and 1 medical group
Jonathan Lesser's primary practice is Mount Sinai West - NYC in New York, New York. The medical group on file is Mount Sinai Nuclear Medicine Associates. Dmand AI also links Jonathan Lesser to 1 more group practice or clinic, 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 Jonathan B. Lesser's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Jonathan Lesser practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mount Sinai West - NYC | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Jonathan B. Lesser is one of 3,858 anesthesiologists in New York
Anesthesiology is Jonathan Lesser's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dmand AI has Jonathan Lesser's licenses on file in 2 states: New York and Michigan.
Specialties and state licenses
- Anesthesiology, New YorkPrimary
- Specialist, Michigan
Anesthesiologists near Jonathan Lesser
Counts of anesthesiologists 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
Jonathan B. Lesser billed Medicare for 78 services in 2023
CMS data shows 78 Medicare services from Jonathan Lesser across 4 procedure codes in 2023, for 105 Medicare patients. Medicare paid $9,975 for them. Every service was in a facility, such as a hospital, rather than an office.
Jonathan Lesser's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Anesthesia
- 2022: 742023: 785%
Jonathan Lesser compared with the New York median for anesthesiologists, 2023
- Jonathan Lesser
- New York median
- Medicare services
- 78vs 76Close to median
- Medicare patients
- 105vs 13220% below
Medians across 3,723 anesthesiologists in New York with Dmand AI profiles that report each measure.
Jonathan Lesser's most billed Medicare procedure codes, 2023
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 Jonathan Lesser?
Medicare shows one payer. Book a meeting to get commercial claims data for Jonathan Lesser and other anesthesiologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Jonathan B. Lesser treated 105 Medicare patients in 2024, average age 74
CMS counts 105 Medicare patients who saw Jonathan Lesser in 2024. The largest group is 65 to 74, with 45 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 27% are also on Medicaid. Their average risk score is 1.75, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Jonathan Lesser's median patient age at 43, with 0% women.
Jonathan Lesser's Medicare patients by age, 2024
Jonathan Lesser's Medicare patients by sex, 2024
- Women5250%
- Men5350%
Chronic conditions among Jonathan Lesser's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis53%
- Ischemic heart disease39%
- Diabetes35%
- Chronic kidney disease28%
- Mood disorders27%
- Cancer26%
Share of Medicare patients with each condition. A patient can have several.
Jonathan Lesser's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 43
Patient panel by sex, all payers
- Women0%
- Men100%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
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Jonathan B. Lesser received $28 in industry payments in 2016
CMS Open Payments shows 2 general payments to Jonathan Lesser from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $28.
Companies that paid Jonathan Lesser the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Jonathan B. Lesser graduated from Tulane University School of Medicine
Jonathan Lesser graduated from Tulane University School of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Jonathan B. Lesser'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 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) |
| 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 Jonathan B. Lesser
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Jonathan B. Lesser's NPI number?
Jonathan B. Lesser's NPI number is 1790714178. It was assigned on June 30, 2006, and it is active in the NPI Registry.
What does Jonathan B. Lesser specialize in?
Jonathan B. Lesser is an anesthesiologist in New York, New York. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Jonathan B. Lesser practice?
Jonathan Lesser practices at 1000 10th Ave, New York, NY 10019. Jonathan Lesser's primary practice is Mount Sinai West - NYC in New York, New York. Dmand AI also links Jonathan Lesser to 1 group practice or clinic.
What is Jonathan B. Lesser's office phone number?
The practice phone on file for Jonathan Lesser is (212) 523-4000.
What is Jonathan B. Lesser's medical license number?
Jonathan Lesser holds New York license 178745, one of the licenses on file in 2 states.
Which states has Jonathan B. Lesser been licensed in?
Dmand AI has state licenses on file for Jonathan Lesser in New York and Michigan.
What medical group is Jonathan B. Lesser part of?
Jonathan Lesser is linked to Mount Sinai Nuclear Medicine Associates.
Does Jonathan B. Lesser accept Medicare?
Yes. CMS data shows Jonathan Lesser billed Medicare for 78 services in 2023.
How many Medicare patients does Jonathan B. Lesser see?
CMS counts 105 Medicare patients who saw Jonathan Lesser in 2024, with an average age of 74.
What services does Jonathan B. Lesser bill to Medicare?
In 2023, Jonathan Lesser's most billed Medicare services were anesthesia (00862), anesthesia (00731) and anesthesia (00840).
Show 3 more questionsShow fewer questions
Where did Jonathan B. Lesser go to medical school?
Jonathan Lesser graduated from Tulane University School of Medicine in 1988.
Has Jonathan B. Lesser received payments from drug or device companies?
CMS Open Payments shows $28 in general payments to Jonathan Lesser from 1 company from 2016 to 2016. The largest total came from Merck Sharp & Dohme Corporation.
How long has Jonathan B. Lesser been practicing?
Jonathan Lesser graduated from medical school in 1988, 38 years ago.
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