Dr. Michael Leigh Herscher, MD

  • New York, NY
  • Hospitalist
NPI1871869644PAC ID2062725708
Medicare services, 2024
251
Medicare patients, 2024
100
Part D claims, 2024
285
Publications
6
Hospital affiliations
1
Practice address
One Gustave L Levy Place, New York, NY 10029
Practice phone
Call (212) 241-7981
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

The Mount Sinai Hospital

Hospital · New York, New York

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Dr. Michael Leigh Herscher is a hospitalist in New York, New York

Dr. Herscher practices at The Mount Sinai Hospital in New York, New York, part of Mount Sinai Health System.

Dr. Herscher's NPI, 1871869644, was assigned on March 27, 2012. Dr. Herscher graduated from Tufts University School of Medicine in 2004. Dr. Herscher holds New York license 273882.

NPI and contact details
Medicare PAC ID
2062725708
NPI enumeration date
March 27, 2012
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(212) 241-7981
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
48
Medical school graduation
2004

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

Dr. Michael Leigh Herscher practices at 2 locations in New York, New York

Dr. Herscher's primary practice is The Mount Sinai Hospital, at One Gustave L Levy Place, New York, NY 10029 in New York County. The practice phone is (212) 241-7981. Dr. Herscher also practices at The Mount Sinai Hospital, 1 Gustave L Levy Pl, New York, NY 10029.

  • The Mount Sinai HospitalPrimary
    One Gustave L Levy Place, New York, NY 10029 · New York CountyPhone(212) 241-7981
  • The Mount Sinai Hospital
    1 Gustave L Levy Pl, New York, NY 10029 · New York CountyPhone(212) 256-2904

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

Dr. Michael Leigh Herscher is affiliated with 1 site of care and 1 medical group

Dr. Herscher's primary practice is The Mount Sinai Hospital in New York, New York, part of Mount Sinai Health System. The medical group on file is Mount Sinai Institute for Liver Medicine.

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

Dmand AI tracks the EHR system at Dr. Michael Leigh Herscher's practice

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

EHR by site
SiteEHR vendor and product
The Mount Sinai HospitalAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Michael Leigh Herscher is one of 1,796 hospitalists in New York

Hospitalist is Dr. Herscher's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Herscher is licensed in New York.

Specialties and state licenses

  • Hospitalist, New YorkPrimaryLicense 273882 · taxonomy 208M00000X

Hospitalists near Dr. Herscher

Counts of hospitalists 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. Michael Leigh Herscher billed Medicare for 251 services in 2024

CMS data shows 251 Medicare services from Dr. Herscher across 4 procedure codes in 2024, for 100 Medicare patients. Medicare paid $24,972 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024251
Medicare patients100
Paid by Medicare$24,972
Procedure codes4

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

  • 2023
  • 2024
Office and hospital visits
2023: 3232024: 25122%

Dr. Herscher compared with the New York median for hospitalists, 2024

  • Dr. Herscher
  • New York median
Medicare services
251vs 38835% below
Medicare patients
100vs 16339% below
Part D claims
158vs 552.9 times

Medians across 1,696 hospitalists in New York with Dmand AI profiles that report each measure.

Dr. Herscher'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. Herscher

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

Dr. Michael Leigh Herscher treated 100 Medicare patients in 2024, average age 72

CMS counts 100 Medicare patients who saw Dr. Herscher in 2024. The largest group is 75 to 84, with 34 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 66% are also on Medicaid. Their average risk score is 3.88, 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. Herscher's median patient age at 66, with 43% women.

Medicare patients, 2024100
Average age72
Average risk score3.88
Also on Medicaid66%

Dr. Herscher's Medicare patients by age, 2024

Dr. Herscher's Medicare patients by sex, 2024

  • Women4949%
  • Men5151%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes59%
  4. Arthritis55%
  5. Chronic kidney disease52%
  6. Mood disorders45%
  7. Heart failure44%
  8. Ischemic heart disease44%

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

Dr. Herscher's patients across all payers

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

Patient panel by age, all payers

Median age 66

Patient panel by sex, all payers

  • Women43%
  • Men53%

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

Dr. Michael Leigh Herscher wrote 285 Medicare Part D claims in 2024

In 2024, Dr. Herscher wrote 285 Medicare Part D claims for 11 patients. 90% of them were for generic drugs. CMS names the drug for 158 of them, across 10 drugs with 11 or more claims each, at $9,644 in total drug cost. In 2023, CMS named 56 claims across 3 drugs.

Part D claims, 2024285
Drugs named by CMS10
Total drug cost$9,644
Part D patients11

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

  • Generic256 claims90%
  • Brand-name and other29 claims10%

Dr. Herscher'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 562024: 158182%

Drugs named by CMS: 10 in 2024, 3 in 2023.

See all prescribing by Dr. Herscher

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

How Dr. Michael Leigh Herscher takes part in Medicare

Dr. Herscher accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Michael Leigh Herscher has 6 publications on record

Dmand AI links 6 papers to Dr. Herscher, published from 2016 to 2025. The most frequent topics are Narcotic Antagonists, Opioid-Related Disorders and Analgesics, Opioid. Dr. Herscher's most frequent co-authors are Paula J. Busse, MD, Edward William Cytryn, MD and Matthew E. Fine, MD.

Papers6
Years published2016 to 2025

Dr. Herscher's papers by year, 2016 to 2025

Topics Dr. Herscher writes about most

  • Narcotic Antagonists
  • Opioid-Related Disorders
  • Analgesics, Opioid
  • Buprenorphine
  • Opiate Substitution Treatment

Dr. Herscher's most frequent co-authors

Recent publications by Dr. Herscher

See all 6 publications and co-authors

See who Dr. Herscher researches with

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

How network discovery works

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

Dr. Michael Leigh Herscher received $24 in industry payments in 2022

CMS Open Payments shows 1 general payment to Dr. Herscher from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) paid the most, $24.

Companies that paid Dr. Herscher the most, 2022 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Herscher

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

Dr. Michael Leigh Herscher graduated from Tufts University School of Medicine

Dr. Herscher graduated from Tufts University School of Medicine in 2004.

  1. Medical schoolTufts University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Michael Leigh Herscher'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)
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 Dr. Michael Leigh Herscher

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. Michael Leigh Herscher's NPI number?

Dr. Michael Leigh Herscher's NPI number is 1871869644. It was assigned on March 27, 2012, and it is active in the NPI Registry.

What kind of doctor is Dr. Michael Leigh Herscher?

Dr. Michael Leigh Herscher is a hospitalist in New York, New York. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).

Where does Dr. Michael Leigh Herscher practice?

Dr. Herscher practices at One Gustave L Levy Place, New York, NY 10029. Dr. Herscher also practices at 1 Gustave L Levy Pl, New York, NY 10029. Dr. Herscher's primary practice is The Mount Sinai Hospital in New York, New York, part of Mount Sinai Health System.

What is Dr. Michael Leigh Herscher's office phone number?

The practice phone on file for Dr. Herscher is (212) 241-7981.

What is Dr. Michael Leigh Herscher's medical license number?

Dr. Herscher holds New York license 273882.

Which hospitals is Dr. Michael Leigh Herscher affiliated with?

Dr. Herscher practices at The Mount Sinai Hospital in New York, New York.

What medical group is Dr. Michael Leigh Herscher part of?

Dr. Herscher is linked to Mount Sinai Institute for Liver Medicine.

Does Dr. Michael Leigh Herscher accept Medicare?

Yes. CMS data shows Dr. Herscher billed Medicare for 251 services in 2024, and Dr. Herscher accepts Medicare assignment.

How many Medicare patients does Dr. Michael Leigh Herscher see?

CMS counts 100 Medicare patients who saw Dr. Herscher in 2024, with an average age of 72.

What services does Dr. Michael Leigh Herscher bill to Medicare?

In 2024, Dr. Herscher's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99223).

Show 6 more questionsShow fewer questions

Where did Dr. Michael Leigh Herscher go to medical school?

Dr. Herscher graduated from Tufts University School of Medicine in 2004.

What drugs does Dr. Michael Leigh Herscher prescribe most?

In 2024 Medicare Part D data, Dr. Herscher's most prescribed drugs by claims were Buprenorphine-Naloxone, Tamsulosin HCl and Losartan Potassium.

Has Dr. Michael Leigh Herscher received payments from drug or device companies?

CMS Open Payments shows $24 in general payments to Dr. Herscher from 1 company from 2022 to 2022. The largest total came from ZOLL Services LLC (A/K/A ZOLL LifeCor Corp).

How long has Dr. Michael Leigh Herscher been practicing?

Dr. Herscher graduated from medical school in 2004, 22 years ago.

Does Dr. Michael Leigh Herscher do research?

Dmand AI links 6 publications to Dr. Herscher, published from 2016 to 2025.

Who does Dr. Michael Leigh Herscher publish with?

Dr. Herscher's most frequent co-authors are Paula J. Busse, MD (1 shared paper), Edward William Cytryn, MD (1 shared paper) and Matthew E. Fine, MD (1 shared paper).

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