Dr. Samuel E. Koszer, MD

  • Fishkill, NY
  • Neurologist
NPI1982697975PAC ID9537193529
Medicare services, 2024
2,535
Medicare patients, 2024
1,118
Part D claims, 2024
8,165
MIPS score, 2024
75
Hospital affiliations
5
Practice address
200 Westage Business Center Dr, Fishkill, NY 12524
Practice phone
Call (845) 452-9750
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Eriver Neurology of NY

Fishkill, New York

See all 8 affiliations

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Dr. Samuel E. Koszer is a neurologist in Fishkill, New York

Dr. Koszer practices at Eriver Neurology of NY in Fishkill, New York.

Dr. Koszer's NPI, 1982697975, was assigned on August 25, 2005. Dr. Koszer graduated from Stony Brook University Health Sciences Center School of Medicine in 1989. Dr. Koszer holds New York license 190217.

NPI and contact details
Medicare PAC ID
9537193529
NPI enumeration date
August 25, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(845) 452-9750
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
63
Medical school graduation
1989

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

Dr. Samuel E. Koszer practices at Eriver Neurology of NY in Fishkill, New York

Dr. Koszer's primary practice is Eriver Neurology of NY, at 200 Westage Business Center Dr, Fishkill, NY 12524 in Dutchess County. The practice phone is (845) 452-9750.

  • Eriver Neurology of NY
    200 Westage Business Center Dr, Fishkill, NY 12524 · Dutchess CountyPhone(845) 452-9750

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

Dr. Samuel E. Koszer is affiliated with 7 sites of care and 1 medical group

Dr. Koszer's primary practice is Eriver Neurology of NY in Fishkill, New York. Dr. Koszer is also affiliated with Vassar Brothers Medical Center. The medical group on file is eRiver Neurology of New York LLC. Dmand AI also links Dr. Koszer to 4 more hospitals and 1 group practice or clinic, each named with a free account.

See all 8 affiliations for Dr. Koszer

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

Dmand AI tracks the EHR system at Dr. Samuel E. Koszer's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Koszer practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Eriver Neurology of NYAvailable with a free account
+6 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Samuel E. Koszer is one of 1,489 neurologists in New York

Neurology is Dr. Koszer's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Koszer is licensed in New York.

Specialties and state licenses

  • Neurology, New YorkPrimaryLicense 190217 · taxonomy 2084N0400X

Neurologists near Dr. Koszer

Counts of neurologists with a Dmand AI profile, by place and practice. Each opens the list.

1,489neurologists in New York
2neurologists in Fishkill

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Samuel E. Koszer billed Medicare for 2,535 services in 2024

CMS data shows 2,535 Medicare services from Dr. Koszer across 20 procedure codes in 2024, for 1,118 Medicare patients. Medicare paid $300,515 for them.

Medicare services, 20242,535
Medicare patients1,118
Paid by Medicare$300,515
Procedure codes20

Dr. Koszer's Medicare services by type, 2024

  1. Tests and treatments1,295
  2. Office and hospital visits1,240

Where Dr. Koszer's Medicare services took place, 2024

  • In an office1,95777%
  • In a facility57823%

Dr. Koszer compared with the New York median for neurologists, 2024

  • Dr. Koszer
  • New York median
Medicare services
2,535vs 3766.7 times
Medicare patients
1,118vs 1905.9 times
Part D claims
7,896vs 37521.1 times

Medians across 1,462 neurologists in New York with Dmand AI profiles that report each measure.

Dr. Koszer'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. Koszer

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

Dr. Samuel E. Koszer treated 1,118 Medicare patients in 2024, average age 71

CMS counts 1,118 Medicare patients who saw Dr. Koszer in 2024. The largest group is 75 to 84, with 388 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 34% are also on Medicaid. Their average risk score is 1.61, 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. Koszer's median patient age at 61, with 54% women.

Medicare patients, 20241,118
Average age71
Average risk score1.61
Also on Medicaid34%

Dr. Koszer's Medicare patients by age, 2024

Dr. Koszer's Medicare patients by sex, 2024

  • Women59153%
  • Men52747%

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

  1. High cholesterol75%
  2. High blood pressure72%
  3. Arthritis45%
  4. Anxiety37%
  5. Mood disorders37%
  6. Ischemic heart disease35%
  7. Depression33%
  8. Diabetes30%

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

Dr. Koszer's patients across all payers

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

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women54%
  • Men44%

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

Dr. Samuel E. Koszer wrote 8,165 Medicare Part D claims in 2024

In 2024, Dr. Koszer wrote 8,165 Medicare Part D claims for 761 patients. 87% of them were for generic drugs. CMS names the drug for 7,896 of them, across 99 drugs with 11 or more claims each, at $3,824,835 in total drug cost.

Part D claims, 20248,165
Drugs named by CMS99
Total drug cost$3.8M
Part D patients761

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

  • Generic7,130 claims87%
  • Brand-name968 claims12%
  • Other67 claims1%

Dr. Koszer'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. Koszer's Part D claims, 2024

  • Opioids1%57 of 8,165 claims
  • Antipsychotics, patients 65 and over2%180 of 8,165 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Dr. Koszer

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. Samuel E. Koszer scored 75 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Koszer for performance year 2024, reported as part of a group. Dr. Koszer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes
MIPS final score, 2024
75 of 100

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. Samuel E. Koszer received $3,750 in industry payments from 2024 to 2025

CMS Open Payments shows 177 general payments to Dr. Koszer from 30 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 93% of the total. Neurocrine BioSciences, Inc. paid the most, $825.

General payments to Dr. Koszer by program year, 2024 to 2025

General payments to Dr. Koszer by kind, 2024 to 2025

$3.8Kin total
  • Food and beverage$3,47493%
  • Education$2767%

Companies that paid Dr. Koszer the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Koszer

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

Dr. Samuel E. Koszer graduated from Stony Brook University Health Sciences Center School of Medicine

Dr. Koszer graduated from Stony Brook University Health Sciences Center School of Medicine in 1989.

  1. Medical schoolStony Brook University Health Sciences Center School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Samuel E. Koszer'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)
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. Samuel E. Koszer

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. Samuel E. Koszer's NPI number?

Dr. Samuel E. Koszer's NPI number is 1982697975. It was assigned on August 25, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Samuel E. Koszer?

Dr. Samuel E. Koszer is a neurologist in Fishkill, New York. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).

Where does Dr. Samuel E. Koszer practice?

Dr. Koszer practices at 200 Westage Business Center Dr, Fishkill, NY 12524. Dr. Koszer's primary practice is Eriver Neurology of NY in Fishkill, New York. Dmand AI also links Dr. Koszer to 4 hospitals and 1 group practice or clinic.

What is Dr. Samuel E. Koszer's office phone number?

The practice phone on file for Dr. Koszer is (845) 452-9750.

What is Dr. Samuel E. Koszer's medical license number?

Dr. Koszer holds New York license 190217.

Which hospitals is Dr. Samuel E. Koszer affiliated with?

Dr. Koszer is affiliated with Vassar Brothers Medical Center. Dmand AI links Dr. Koszer to 4 more hospitals.

What medical group is Dr. Samuel E. Koszer part of?

Dr. Koszer is linked to eRiver Neurology of New York LLC.

Does Dr. Samuel E. Koszer accept Medicare?

Yes. CMS data shows Dr. Koszer billed Medicare for 2,535 services in 2024, and Dr. Koszer accepts Medicare assignment.

What is Dr. Samuel E. Koszer's MIPS score?

Dr. Koszer's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.

How many Medicare patients does Dr. Samuel E. Koszer see?

CMS counts 1,118 Medicare patients who saw Dr. Koszer in 2024, with an average age of 71.

Show 5 more questionsShow fewer questions

What services does Dr. Samuel E. Koszer bill to Medicare?

In 2024, Dr. Koszer's most billed Medicare services were office visit, established patient (99214), nerve and brain test (95886) and nerve and brain test (95816).

Where did Dr. Samuel E. Koszer go to medical school?

Dr. Koszer graduated from Stony Brook University Health Sciences Center School of Medicine in 1989.

What drugs does Dr. Samuel E. Koszer prescribe most?

In 2024 Medicare Part D data, Dr. Koszer's most prescribed drugs by claims were Levetiracetam, Lamotrigine and Topiramate.

Has Dr. Samuel E. Koszer received payments from drug or device companies?

CMS Open Payments shows $3,750 in general payments to Dr. Koszer from 30 companies from 2024 to 2025. The largest total came from Neurocrine BioSciences, Inc.

How long has Dr. Samuel E. Koszer been practicing?

Dr. Koszer graduated from medical school in 1989, 37 years ago.

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