Mary E. Dy, OD
- Medicare patients, 2024
- 131
- Part D claims, 2024
- 139
- Industry payments
- $221
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 1340 Boylston St., Boston, MA 02215
- Practice phone
- Call (857) 313-6563
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Fenway Health Radiology Department
Mammography / Breast Imaging Center · Boston, Massachusetts
Find Mary Dy'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.
Mary E. Dy is an optometrist in Boston, Massachusetts
Mary Dy practices at Fenway Health Radiology Department in Boston, Massachusetts.
Mary Dy's NPI, 1336708734, was assigned on June 10, 2019. Mary Dy graduated from New England College of Optometry in 2019. Mary Dy holds Massachusetts license 5351.
- NPI
- 1336708734NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4981032927
- NPI enumeration date
- June 10, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (857) 313-6563
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mary E. Dy practices at Fenway Health Radiology Department in Boston, Massachusetts
Mary Dy's primary practice is Fenway Health Radiology Department, at 1340 Boylston St., Boston, MA 02215. The practice phone is (857) 313-6563.
- Fenway Health Radiology Department1340 Boylston St., Boston, MA 02215Phone(857) 313-6563
Source: Dmand AI Affiliation Data
Mary E. Dy is affiliated with 1 site of care and 1 medical group
Mary Dy's primary practice is Fenway Health Radiology Department in Boston, Massachusetts. Dmand AI also links Mary Dy to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Mary E. Dy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mary Dy practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fenway Health Radiology Department | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Mary E. Dy is one of 1,098 optometrists in Massachusetts
Optometrist is Mary Dy's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Mary Dy is licensed in Massachusetts.
Specialties and state licenses
- Optometrist, MassachusettsPrimary
Optometrists near Mary Dy
Counts of optometrists 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
Mary E. Dy treated 131 Medicare patients in 2024, average age 72
CMS counts 131 Medicare patients who saw Mary Dy in 2024. The largest group is 65 to 74, with 66 patients. 65% of them have high cholesterol, and 64% have high blood pressure. 37% are also on Medicaid. Their average risk score is 1.00, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Mary Dy's median patient age at 61, with 60% women.
Mary Dy's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Mary Dy's Medicare patients by sex, 2024
- Women5945%
- Men7255%
Chronic conditions among Mary Dy's Medicare patients, 2024
- High cholesterol65%
- High blood pressure64%
- Arthritis32%
- Anxiety31%
- Mood disorders31%
- Depression27%
- Osteoporosis25%
- Diabetes21%
Share of Medicare patients with each condition. A patient can have several.
Mary Dy'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
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mary E. Dy wrote 139 Medicare Part D claims in 2024
In 2024, Mary Dy wrote 139 Medicare Part D claims for 47 patients. 45% of them were for generic drugs.
Mary Dy's Part D claims by kind of drug, 2024
- Generic62 claims45%
- Brand-name77 claims55%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Mary E. Dy takes part in Medicare
Mary Dy 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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Mary E. Dy received $221 in industry payments in 2025
CMS Open Payments shows 8 general payments to Mary Dy from 5 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Sun Pharmaceutical Industries Inc. paid the most, $90.
Companies that paid Mary Dy the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Mary E. Dy graduated from New England College of Optometry
Mary Dy graduated from New England College of Optometry in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Mary E. Dy'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 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 (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) |
| 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 Mary E. Dy
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mary E. Dy's NPI number?
Mary E. Dy's NPI number is 1336708734. It was assigned on June 10, 2019, and it is active in the NPI Registry.
What does Mary E. Dy specialize in?
Mary E. Dy is an optometrist in Boston, Massachusetts. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Mary E. Dy practice?
Mary Dy practices at 1340 Boylston St., Boston, MA 02215. Mary Dy's primary practice is Fenway Health Radiology Department in Boston, Massachusetts. Dmand AI also links Mary Dy to 1 medical group.
What is Mary E. Dy's office phone number?
The practice phone on file for Mary Dy is (857) 313-6563.
What is Mary E. Dy's medical license number?
Mary Dy holds Massachusetts license 5351.
Does Mary E. Dy accept Medicare?
Yes. CMS lists Mary Dy as accepting Medicare assignment.
How many Medicare patients does Mary E. Dy see?
CMS counts 131 Medicare patients who saw Mary Dy in 2024, with an average age of 72.
Where did Mary E. Dy go to medical school?
Mary Dy graduated from New England College of Optometry in 2019.
Has Mary E. Dy received payments from drug or device companies?
CMS Open Payments shows $221 in general payments to Mary Dy from 5 companies from 2025 to 2025. The largest total came from Sun Pharmaceutical Industries Inc.
How long has Mary E. Dy been practicing?
Mary Dy graduated from medical school in 2019, 7 years ago.
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