Dr. Merit Ester Cudkowicz, MD

  • Boston, MA
  • Neurologist
NPI1306827241PAC ID1557343134
Medicare services, 2024
47
Medicare patients, 2024
35
Part D claims, 2024
491
Publications
117
Hospital affiliations
2
Practice address
55 Fruit Street, Boston, MA 02114
Practice phone
Call (617) 726-2000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Massachusetts General Hospital

Hospital · Boston, Massachusetts

See all 7 affiliations

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Dr. Merit Ester Cudkowicz is a neurologist in Boston, Massachusetts

Dr. Cudkowicz practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.

Dr. Cudkowicz's NPI, 1306827241, was assigned on November 8, 2005. Dr. Cudkowicz graduated from Harvard Medical School in 1990. Dr. Cudkowicz holds Massachusetts license 79167.

NPI and contact details
Medicare PAC ID
1557343134
NPI enumeration date
November 8, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(617) 726-2000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
62
Medical school graduation
1990

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

Dr. Merit Ester Cudkowicz practices at Massachusetts General Hospital in Boston, Massachusetts

Dr. Cudkowicz's primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.

Source: Dmand AI Affiliation Data

Dr. Merit Ester Cudkowicz is affiliated with 5 sites of care and 2 medical groups

Dr. Cudkowicz's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Cudkowicz is also affiliated with Emerson Hospital. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Cudkowicz to 2 more group practices and clinics, 1 community health center and 1 medical group, each named with a free account.

See all 7 affiliations for Dr. Cudkowicz

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

Dmand AI tracks the EHR system at Dr. Merit Ester Cudkowicz's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cudkowicz practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Massachusetts General HospitalAvailable with a free account
+4 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Merit Ester Cudkowicz is one of 806 neurologists in Massachusetts

Neurology is Dr. Cudkowicz's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Cudkowicz is licensed in Massachusetts.

Specialties and state licenses

  • Neurology, MassachusettsPrimaryLicense 79167 · taxonomy 2084N0400X

Neurologists near Dr. Cudkowicz

Counts of neurologists 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. Merit Ester Cudkowicz billed Medicare for 47 services in 2024

CMS data shows 47 Medicare services from Dr. Cudkowicz across 2 procedure codes in 2024, all of them office visits, for 35 Medicare patients. Medicare paid $6,040 for them. Every service was in an office.

Medicare services, 202447
Medicare patients35
Paid by Medicare$6,040
Procedure codes2

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

  • 2023
  • 2024
Office and hospital visits
2023: 692024: 4732%

Dr. Cudkowicz compared with the Massachusetts median for neurologists, 2024

  • Dr. Cudkowicz
  • Massachusetts median
Medicare services
47vs 31485% below
Medicare patients
35vs 17880% below
Part D claims
423vs 27057% above

Medians across 741 neurologists in Massachusetts with Dmand AI profiles that report each measure.

Dr. Cudkowicz'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. Cudkowicz

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

Dr. Merit Ester Cudkowicz treated 35 Medicare patients in 2024, average age 68

CMS counts 35 Medicare patients who saw Dr. Cudkowicz in 2024. The largest group is 65 to 74, with 14 patients. 60% of them have high cholesterol, and 43% have high blood pressure. Their average risk score is 1.68, 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. Cudkowicz's median patient age at 65, with 21% women.

Medicare patients, 202435
Average age68
Average risk score1.68

Dr. Cudkowicz's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Cudkowicz's Medicare patients by sex, 2024

  • Women1749%
  • Men1851%

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

  1. High cholesterol60%
  2. High blood pressure43%

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

Dr. Cudkowicz's patients across all payers

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

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women21%
  • Men77%

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

Dr. Merit Ester Cudkowicz wrote 491 Medicare Part D claims in 2024

In 2024, Dr. Cudkowicz wrote 491 Medicare Part D claims for 45 patients. 35% of them were for generic drugs. CMS names the drug for 423 of them, across 6 drugs with 11 or more claims each, at $3,371,377 in total drug cost. In 2023, CMS named 569 claims across 6 drugs.

Part D claims, 2024491
Drugs named by CMS6
Total drug cost$3.4M
Part D patients45

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

  • Generic172 claims35%
  • Brand-name291 claims59%
  • Other28 claims6%

Dr. Cudkowicz'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: 5692024: 42326%

Drugs named by CMS: 6 in 2024, 6 in 2023.

See all prescribing by Dr. Cudkowicz

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. Merit Ester Cudkowicz offers telehealth to Medicare patients

Dr. Cudkowicz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Cudkowicz as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Merit Ester Cudkowicz has 117 publications on record

Dmand AI links 117 papers to Dr. Cudkowicz, published from 2015 to 2025. 2022 was the busiest year, with 15. The most frequent topics are Amyotrophic Lateral Sclerosis, Double-Blind Method and Disease Progression. Dr. Cudkowicz has published most often in Muscle Nerve. Dr. Cudkowicz's most frequent co-authors are Jeremy M. Shefner, MD, Suma Babu, MBBS, MPH and Jinsy Andrews, MD.

Papers117
Years published2015 to 2025

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

Topics Dr. Cudkowicz writes about most

  • Amyotrophic Lateral Sclerosis
  • Double-Blind Method
  • Disease Progression
  • Vital Capacity
  • Superoxide Dismutase-1
  • Adaptive Clinical Trials as Topic
  • Huntington Disease
  • Motor Neurons

Dr. Cudkowicz's most frequent co-authors

Recent publications by Dr. Cudkowicz

See all 117 publications and co-authors

See who Dr. Cudkowicz researches with

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

How network discovery works

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

Dr. Merit Ester Cudkowicz received $134,410 in industry payments from 2016 to 2025

CMS Open Payments shows 106 general payments to Dr. Cudkowicz from 16 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 78% of the total. Biogen, Inc. paid the most, $40,257. It also lists 2 research payments totaling $2,887 from 2017 to 2018.

General payments to Dr. Cudkowicz by program year, 2016 to 2025

General payments to Dr. Cudkowicz by kind, 2016 to 2025

$134.4Kin total
  • Consulting fees$104,19578%
  • Speaker and faculty fees$14,79611%
  • Travel and lodging$11,6989%
  • Food and beverage$2,1222%
  • Honoraria$1,6001%

Companies that paid Dr. Cudkowicz the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Cudkowicz

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

Dr. Merit Ester Cudkowicz graduated from Harvard Medical School

Dr. Cudkowicz graduated from Harvard Medical School in 1990.

  1. Medical schoolHarvard Medical School

Source: Dmand AI Professional Profile Data

Sources for Dr. Merit Ester Cudkowicz'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 phoneDmand AI Affiliation 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. Merit Ester Cudkowicz

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. Merit Ester Cudkowicz's NPI number?

Dr. Merit Ester Cudkowicz's NPI number is 1306827241. It was assigned on November 8, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Merit Ester Cudkowicz?

Dr. Merit Ester Cudkowicz is a neurologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).

Where does Dr. Merit Ester Cudkowicz practice?

Dr. Cudkowicz practices at 55 Fruit Street, Boston, MA 02114. Dr. Cudkowicz's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Cudkowicz to 2 group practices and clinics, 1 community health center and 1 medical group.

What is Dr. Merit Ester Cudkowicz's office phone number?

The practice phone on file for Dr. Cudkowicz is (617) 726-2000.

What is Dr. Merit Ester Cudkowicz's medical license number?

Dr. Cudkowicz holds Massachusetts license 79167.

Which hospitals is Dr. Merit Ester Cudkowicz affiliated with?

Dr. Cudkowicz practices at Massachusetts General Hospital in Boston, Massachusetts. Dr. Cudkowicz is also affiliated with Emerson Hospital.

What medical group is Dr. Merit Ester Cudkowicz part of?

Dr. Cudkowicz is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Cudkowicz to 1 more medical group.

Does Dr. Merit Ester Cudkowicz accept Medicare?

Yes. CMS data shows Dr. Cudkowicz billed Medicare for 47 services in 2024, and Dr. Cudkowicz accepts Medicare assignment.

Does Dr. Merit Ester Cudkowicz offer telehealth?

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

How many Medicare patients does Dr. Merit Ester Cudkowicz see?

CMS counts 35 Medicare patients who saw Dr. Cudkowicz in 2024, with an average age of 68.

Show 7 more questionsShow fewer questions

What services does Dr. Merit Ester Cudkowicz bill to Medicare?

In 2024, Dr. Cudkowicz's most billed Medicare services were office visit, established patient (99215) and office visit, established patient (99214).

Where did Dr. Merit Ester Cudkowicz go to medical school?

Dr. Cudkowicz graduated from Harvard Medical School in 1990.

What drugs does Dr. Merit Ester Cudkowicz prescribe most?

In 2024 Medicare Part D data, Dr. Cudkowicz's most prescribed drugs by claims were Radicava Ors, Riluzole and Nuedexta.

Has Dr. Merit Ester Cudkowicz received payments from drug or device companies?

CMS Open Payments shows $134,410 in general payments to Dr. Cudkowicz from 16 companies from 2016 to 2025. The largest total came from Biogen, Inc.

How long has Dr. Merit Ester Cudkowicz been practicing?

Dr. Cudkowicz graduated from medical school in 1990, 36 years ago.

Does Dr. Merit Ester Cudkowicz do research?

Dmand AI links 117 publications to Dr. Cudkowicz, published from 2015 to 2025.

Who does Dr. Merit Ester Cudkowicz publish with?

Dr. Cudkowicz's most frequent co-authors are Jeremy M. Shefner, MD (29 shared papers), Suma Babu, MBBS, MPH (18 shared papers) and Jinsy Andrews, MD (17 shared papers).

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