Dr. Eric D. Gaier, MD, PhD
- Medicare services, 2024
- 93
- Medicare patients, 2024
- 27
- Part D claims, 2024
- 12
- Publications
- 84
- Clinical trials
- 1
- Practice address
- 300 Longwood Avenue, Boston, MA 02115
- Practice phone
- Call (617) 735-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gaier'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.
Dr. Eric D. Gaier is an ophthalmologist in Boston, Massachusetts
Dr. Gaier practices at Boston Children's Hospital in Boston, Massachusetts, part of The Children's Hospital.
Dr. Gaier's NPI, 1134568199, was assigned on June 22, 2013. Dr. Gaier graduated from University of Connecticut School of Medicine in 2013. Dr. Gaier holds Massachusetts license 271035.
- NPI
- 1134568199NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3274757109
- NPI enumeration date
- June 22, 2013
- NPI status
- Active
- Practice phone
- (617) 735-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Eric D. Gaier practices at Boston Children's Hospital in Boston, Massachusetts
Dr. Gaier's primary practice is Boston Children's Hospital, at 300 Longwood Avenue, Boston, MA 02115 in Suffolk County. The practice phone is (617) 735-6000.
- Boston Children's Hospital300 Longwood Avenue, Boston, MA 02115 · Suffolk CountyPhone(617) 735-6000
Source: Dmand AI Affiliation Data
Dr. Eric D. Gaier is affiliated with 3 sites of care and 1 medical group
Dr. Gaier's primary practice is Boston Children's Hospital in Boston, Massachusetts, part of The Children's Hospital. Dr. Gaier is also affiliated with Massachusetts Eye and Ear. Dmand AI also links Dr. Gaier to 1 more dialysis center and 1 medical group, 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. Eric D. Gaier's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gaier practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Boston Children's Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Eric D. Gaier is one of 617 ophthalmologists in Massachusetts
Ophthalmology is Dr. Gaier's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Gaier is licensed in Massachusetts.
Specialties and state licenses
- Ophthalmology, MassachusettsPrimary
Ophthalmologists near Dr. Gaier
Counts of ophthalmologists 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. Eric D. Gaier billed Medicare for 93 services in 2024
CMS data shows 93 Medicare services from Dr. Gaier across 2 procedure codes in 2024, for 27 Medicare patients. Medicare paid $1,824 for them. Every service was in an office.
Dr. Gaier's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 752024: 9324%
- Office and hospital visits
- 2023: 192024: 0100%
Dr. Gaier compared with the Massachusetts median for ophthalmologists, 2024
- Dr. Gaier
- Massachusetts median
- Medicare services
- 93vs 1,59894% below
- Medicare patients
- 27vs 59495% below
- Part D claims
- 60vs 54589% below
Medians across 612 ophthalmologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Gaier'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. Gaier and other ophthalmologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Eric D. Gaier treated 27 Medicare patients in 2024, average age 72
CMS counts 27 Medicare patients who saw Dr. Gaier in 2024. The largest group is 65 to 74, with 13 patients. 74% of them have high cholesterol, and 59% have arthritis. Their average risk score is 1.27, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Gaier's median patient age at 9, with 49% women.
Dr. Gaier's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Gaier's Medicare patients, 2024
- High cholesterol74%
- Arthritis59%
- High blood pressure52%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gaier's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 9
Patient panel by sex, all payers
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Eric D. Gaier wrote 12 Medicare Part D claims in 2024
In 2024, Dr. Gaier wrote 12 Medicare Part D claims. Every claim was for a generic drug. They cover 3 drugs, with $2,251 in total drug cost. In 2016, CMS named 104 claims across 6 drugs.
Dr. Gaier's most prescribed drugs by claims, 2017
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, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 1042017: 6042%
Drugs named by CMS: 3 in 2017, 6 in 2016.
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
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Dr. Eric D. Gaier has 84 publications on record
Dmand AI links 84 papers to Dr. Gaier, published from 2012 to 2025. 2024 was the busiest year, with 14. The most frequent topics are Visual Acuity, Amblyopia and Tomography, Optical Coherence. Dr. Gaier has published most often in J Neuroophthalmol. Dr. Gaier's most frequent co-authors are Gena Heidary, MD, Joseph F. Rizzo, MD and Lauren Michele Hennein, MD.
Dr. Gaier's papers by year, 2016 to 2025
Topics Dr. Gaier writes about most
- Visual Acuity
- Amblyopia
- Tomography, Optical Coherence
- Fluorescein Angiography
- Optic Neuropathy, Ischemic
- Vision Disorders
- Magnetic Resonance Imaging
- Optic Disk
Dr. Gaier's most frequent co-authors
- Gena Heidary, MD9 shared papers
- Joseph F. Rizzo, MD6 shared papers
- Lauren Michele Hennein, MD5 shared papers
Recent publications by Dr. Gaier
Am J Ophthalmol
See who Dr. Gaier researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gaier works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Eric D. Gaier has worked on 1 clinical trial
Dmand AI links Dr. Gaier to 1 clinical trial. Conditions studied include Optic Disk Drusen and Optic Nerve Diseases.
Conditions in Dr. Gaier's trials
- Optic Disk Drusen
- Optic Nerve Diseases
Investigators on the most trials with Dr. Gaier
- Shannon Jeanine Beres, MD1 shared trial
- Kathleen B. Digre, MD1 shared trial
- Bradley Jay Katz, MD1 shared trial
Recent clinical trials with Dr. Gaier
Non-Arteritic Anterior Ischemic Optic Neuropathy Risk Factors: New Perspectives (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Eric D. Gaier received $76,653 in industry payments from 2016 to 2025
CMS Open Payments shows 9 general payments to Dr. Gaier from 5 drug and device companies from 2016 to 2025. Grants make up the largest share, 98% of the total. Alcon Research Ltd paid the most, $75,685.
General payments to Dr. Gaier by program year, 2016 to 2025
General payments to Dr. Gaier by kind, 2016 to 2025
- Grants$75,00098%
- Food and beverage$8191%
- Travel and lodging$8041%
- Gifts$300%
Companies that paid Dr. Gaier the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Eric D. Gaier graduated from University of Connecticut School of Medicine
Dr. Gaier graduated from University of Connecticut School of Medicine in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Eric D. Gaier'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)Medicare Part D Prescribers - by Provider (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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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 Dr. Eric D. Gaier
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. Eric D. Gaier's NPI number?
Dr. Eric D. Gaier's NPI number is 1134568199. It was assigned on June 22, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Eric D. Gaier?
Dr. Eric D. Gaier is an ophthalmologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Eric D. Gaier practice?
Dr. Gaier practices at 300 Longwood Avenue, Boston, MA 02115. Dr. Gaier's primary practice is Boston Children's Hospital in Boston, Massachusetts, part of The Children's Hospital. Dmand AI also links Dr. Gaier to 1 dialysis center and 1 medical group.
What is Dr. Eric D. Gaier's office phone number?
The practice phone on file for Dr. Gaier is (617) 735-6000.
What is Dr. Eric D. Gaier's medical license number?
Dr. Gaier holds Massachusetts license 271035.
Which hospitals is Dr. Eric D. Gaier affiliated with?
Dr. Gaier practices at Boston Children's Hospital in Boston, Massachusetts. Dr. Gaier is also affiliated with Massachusetts Eye and Ear.
Does Dr. Eric D. Gaier accept Medicare?
Yes. CMS data shows Dr. Gaier billed Medicare for 93 services in 2024.
How many Medicare patients does Dr. Eric D. Gaier see?
CMS counts 27 Medicare patients who saw Dr. Gaier in 2024, with an average age of 72.
What services does Dr. Eric D. Gaier bill to Medicare?
In 2024, Dr. Gaier's most billed Medicare services were eye exam or test (92060) and eye exam or test (92285).
Where did Dr. Eric D. Gaier go to medical school?
Dr. Gaier graduated from University of Connecticut School of Medicine in 2013.
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What drugs does Dr. Eric D. Gaier prescribe most?
In 2017 Medicare Part D data, Dr. Gaier's most prescribed drugs by claims were Latanoprost, Prednisolone Acetate and Brimonidine Tartrate.
Has Dr. Eric D. Gaier received payments from drug or device companies?
CMS Open Payments shows $76,653 in general payments to Dr. Gaier from 5 companies from 2016 to 2025. The largest total came from Alcon Research Ltd.
How long has Dr. Eric D. Gaier been practicing?
Dr. Gaier graduated from medical school in 2013, 13 years ago.
Does Dr. Eric D. Gaier do research?
Dmand AI links 84 publications to Dr. Gaier, published from 2012 to 2025. Dr. Gaier has worked on 1 clinical trial.
Who does Dr. Eric D. Gaier publish with?
Dr. Gaier's most frequent co-authors are Gena Heidary, MD (9 shared papers), Joseph F. Rizzo, MD (6 shared papers) and Lauren Michele Hennein, MD (5 shared papers).
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