Dr. April Fitzsimmons Eichler, MD, MPH
- Medicare services, 2024
- 19
- Medicare patients, 2024
- 35
- Part D claims, 2020
- 15
- Publications
- 24
- Hospital affiliations
- 2
- Practice address
- 300 First Avenue, Charlestown, MA 02129
- Practice phone
- Call (617) 720-6400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Eichler's professional email, personal email and mobile number
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Dr. April Fitzsimmons Eichler is a neurologist in Charlestown, Massachusetts
Dr. Eichler practices at Spaulding Rehabilitation Hospital (Boston) in Charlestown, Massachusetts, part of Mass General Brigham.
Dr. Eichler's NPI, 1437124583, was assigned on February 22, 2006. Dr. Eichler graduated from University of Pittsburgh School of Medicine in 2001. Dr. Eichler holds Massachusetts license 220588.
- NPI
- 1437124583NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224041439
- NPI enumeration date
- February 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 720-6400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. April Fitzsimmons Eichler practices at Spaulding Rehabilitation Hospital (Boston) in Charlestown, Massachusetts
Dr. Eichler's primary practice is Spaulding Rehabilitation Hospital (Boston), at 300 First Avenue, Charlestown, MA 02129 in Suffolk County. The practice phone is (617) 720-6400.
- Spaulding Rehabilitation Hospital (Boston)300 First Avenue, Charlestown, MA 02129 · Suffolk CountyPhone(617) 720-6400
Source: Dmand AI Affiliation Data
Dr. April Fitzsimmons Eichler is affiliated with 2 sites of care and 3 medical groups
Dr. Eichler's primary practice is Spaulding Rehabilitation Hospital (Boston) in Charlestown, Massachusetts, part of Mass General Brigham. Dr. Eichler is also affiliated with Massachusetts General Hospital. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Eichler to 2 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. April Fitzsimmons Eichler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Eichler practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Spaulding Rehabilitation Hospital (Boston) | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. April Fitzsimmons Eichler is one of 806 neurologists in Massachusetts
Neurology is Dr. Eichler's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Eichler is licensed in Massachusetts.
Specialties and state licenses
- Neurology, MassachusettsPrimary
Neurologists near Dr. Eichler
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. April Fitzsimmons Eichler billed Medicare for 19 services in 2024
CMS data shows 19 Medicare services from Dr. Eichler across 1 procedure code in 2024, for 35 Medicare patients. Medicare paid $736 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Eichler's Medicare services by type, 2022 to 2024
- 2022
- 2024
- Office and hospital visits
- 2022: 972024: 1980%
Dr. Eichler compared with the Massachusetts median for neurologists, 2024
- Dr. Eichler
- Massachusetts median
- Medicare services
- 19vs 31494% below
- Medicare patients
- 35vs 17880% below
- Part D claims
- 15vs 27094% below
Medians across 741 neurologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Eichler'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Eichler and other neurologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. April Fitzsimmons Eichler treated 35 Medicare patients in 2024, average age 71
CMS counts 35 Medicare patients who saw Dr. Eichler in 2024. The largest group is 65 to 74, with 16 patients. 75% of them have high cholesterol, and 74% have high blood pressure. Their average risk score is 2.42, 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. Eichler's median patient age at 54, with 67% women.
Dr. Eichler's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Eichler's Medicare patients by sex, 2024
- Women1440%
- Men2160%
Chronic conditions among Dr. Eichler's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Mood disorders46%
- Arthritis43%
- Anxiety40%
- Diabetes37%
- Ischemic heart disease37%
- Cancer34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Eichler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women67%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. April Fitzsimmons Eichler wrote 15 Medicare Part D claims in 2020
In 2020, Dr. Eichler wrote 15 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $599 in total drug cost. In 2017, CMS named 16 claims across 1 drug.
Dr. Eichler's most prescribed drugs by claims, 2020
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, 2017 to 2020
- 2017
- 2020
- Claims for drugs CMS names
- 2017: 162020: 156%
Drugs named by CMS: 1 in 2020, 1 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. April Fitzsimmons Eichler offers telehealth to Medicare patients
Dr. Eichler accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Eichler as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. April Fitzsimmons Eichler has 24 publications on record
Dmand AI links 24 papers to Dr. Eichler, published from 2009 to 2023. 2013 was the busiest year, with 3. The most frequent topics are Brain Neoplasms, Antineoplastic Combined Chemotherapy Protocols and Antibodies, Monoclonal, Humanized. Dr. Eichler has published most often in Neuro Oncol. Dr. Eichler's most frequent co-authors are Elizabeth R. Gerstner, MD, Rakesh K. Jain, MD and Tracy Todd Batchelor, MD, MPH.
Dr. Eichler's papers by year, 2012 to 2023
Topics Dr. Eichler writes about most
- Brain Neoplasms
- Antineoplastic Combined Chemotherapy Protocols
- Antibodies, Monoclonal, Humanized
- Breast Neoplasms
- Antineoplastic Agents
- Biomarkers, Tumor
- Disease Progression
- Lung Neoplasms
Dr. Eichler's most frequent co-authors
- Elizabeth R. Gerstner, MD11 shared papers
- Rakesh K. Jain, MD6 shared papers
- Tracy Todd Batchelor, MD, MPH5 shared papers
Recent publications by Dr. Eichler
Pembrolizumab in brain metastases of diverse histologies: phase 2 trial results (opens in a new tab)
Nat Med
Nat Commun
See who Dr. Eichler researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Eichler works with, so you can find a warm path to the right neurologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. April Fitzsimmons Eichler graduated from University of Pittsburgh School of Medicine
Dr. Eichler graduated from University of Pittsburgh School of Medicine in 2001.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. April Fitzsimmons Eichler'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 DataDmand AI Org Hierarchy 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. April Fitzsimmons Eichler
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. April Fitzsimmons Eichler's NPI number?
Dr. April Fitzsimmons Eichler's NPI number is 1437124583. It was assigned on February 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. April Fitzsimmons Eichler?
Dr. April Fitzsimmons Eichler is a neurologist in Charlestown, Massachusetts. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. April Fitzsimmons Eichler practice?
Dr. Eichler practices at 300 First Avenue, Charlestown, MA 02129. Dr. Eichler's primary practice is Spaulding Rehabilitation Hospital (Boston) in Charlestown, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Eichler to 2 medical groups.
What is Dr. April Fitzsimmons Eichler's office phone number?
The practice phone on file for Dr. Eichler is (617) 720-6400.
What is Dr. April Fitzsimmons Eichler's medical license number?
Dr. Eichler holds Massachusetts license 220588.
Which hospitals is Dr. April Fitzsimmons Eichler affiliated with?
Dr. Eichler practices at Spaulding Rehabilitation Hospital (Boston) in Charlestown, Massachusetts. Dr. Eichler is also affiliated with Massachusetts General Hospital.
What medical group is Dr. April Fitzsimmons Eichler part of?
Dr. Eichler is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Eichler to 2 more medical groups.
Does Dr. April Fitzsimmons Eichler accept Medicare?
Yes. CMS data shows Dr. Eichler billed Medicare for 19 services in 2024, and Dr. Eichler accepts Medicare assignment.
Does Dr. April Fitzsimmons Eichler offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Eichler as offering telehealth services.
How many Medicare patients does Dr. April Fitzsimmons Eichler see?
CMS counts 35 Medicare patients who saw Dr. Eichler in 2024, with an average age of 71.
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What services does Dr. April Fitzsimmons Eichler bill to Medicare?
In 2024, Dr. Eichler's most billed Medicare services were hospital inpatient care (99231).
Where did Dr. April Fitzsimmons Eichler go to medical school?
Dr. Eichler graduated from University of Pittsburgh School of Medicine in 2001.
What drugs does Dr. April Fitzsimmons Eichler prescribe most?
In 2020 Medicare Part D data, Dr. Eichler's most prescribed drugs by claims were Levetiracetam.
How long has Dr. April Fitzsimmons Eichler been practicing?
Dr. Eichler graduated from medical school in 2001, 25 years ago.
Does Dr. April Fitzsimmons Eichler do research?
Dmand AI links 24 publications to Dr. Eichler, published from 2009 to 2023.
Who does Dr. April Fitzsimmons Eichler publish with?
Dr. Eichler's most frequent co-authors are Elizabeth R. Gerstner, MD (11 shared papers), Rakesh K. Jain, MD (6 shared papers) and Tracy Todd Batchelor, MD, MPH (5 shared papers).
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