Dian S. Dyer, FNP
- Medicare patients, 2024
- 101
- Part D claims, 2024
- 755
- Hospital affiliations
- 1
- Industry payments
- $101
- Medical groups
- 2
- Practice address
- 213 Montauk Hwy, West Sayville, NY 11796
- Practice phone
- Call (631) 563-6205
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Great South Bay Medical Practice
West Sayville, New York
Find Dian Dyer'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.
Dian S. Dyer is a family nurse practitioner in West Sayville, New York
Dian Dyer practices at Great South Bay Medical Practice in West Sayville, New York.
Dian Dyer's NPI, 1396328936, was assigned on May 2, 2021. Dian Dyer holds New York license 675302.
- NPI
- 1396328936NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476949801
- NPI enumeration date
- May 2, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (631) 563-6205
- 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 Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dian S. Dyer practices at Great South Bay Medical Practice in West Sayville, New York
Dian Dyer's primary practice is Great South Bay Medical Practice, at 213 Montauk Hwy, West Sayville, NY 11796 in Suffolk County. The practice phone is (631) 563-6205.
- Great South Bay Medical Practice213 Montauk Hwy, West Sayville, NY 11796 · Suffolk CountyPhone(631) 563-6205
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dian S. Dyer is affiliated with 5 sites of care and 2 medical groups
Dian Dyer's primary practice is Great South Bay Medical Practice in West Sayville, New York. Dian Dyer is also affiliated with Good Samaritan University Hospital. The medical group on file is Cardiac Interventional Group. Dmand AI also links Dian Dyer to 2 more group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dian S. Dyer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dian Dyer practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Great South Bay Medical Practice | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dian S. Dyer is one of 10,214 family nurse practitioners in New York
Family is Dian Dyer's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Dian Dyer is licensed in New York.
Specialties and state licenses
- Family nurse practitioner, New YorkPrimary
Family nurse practitioners near Dian Dyer
Counts of family nurse practitioners 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
Dian S. Dyer treated 101 Medicare patients in 2024, average age 73
CMS counts 101 Medicare patients who saw Dian Dyer in 2024. The largest group is 65 to 74, with 47 patients. 75% of them have high blood pressure, and 70% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.13, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dian Dyer's median patient age at 57, with 59% women.
Dian Dyer's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dian Dyer's Medicare patients by sex, 2024
- Women5958%
- Men4242%
Chronic conditions among Dian Dyer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol70%
- Arthritis47%
- Ischemic heart disease38%
- Anxiety34%
- COPD27%
- Atrial fibrillation26%
- Diabetes25%
Share of Medicare patients with each condition. A patient can have several.
Dian Dyer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women59%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dian S. Dyer wrote 755 Medicare Part D claims in 2024
In 2024, Dian Dyer wrote 755 Medicare Part D claims for 306 patients. 91% of them were for generic drugs.
Dian Dyer's Part D claims by kind of drug, 2024
- Generic688 claims91%
- Brand-name and other67 claims9%
Drug classes CMS tracks in Dian Dyer's Part D claims, 2024
- Antibiotics16%122 of 755 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dian S. Dyer offers telehealth to Medicare patients
Dian Dyer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dian Dyer as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dian S. Dyer received $101 in industry payments in 2025
CMS Open Payments shows 4 general payments to Dian Dyer from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Exact Sciences Corporation paid the most, $55.
Companies that paid Dian Dyer the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dian S. Dyer'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| 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 Dian S. Dyer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dian S. Dyer's NPI number?
Dian S. Dyer's NPI number is 1396328936. It was assigned on May 2, 2021, and it is active in the NPI Registry.
What does Dian S. Dyer specialize in?
Dian S. Dyer is a family nurse practitioner in West Sayville, New York. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Dian S. Dyer practice?
Dian Dyer practices at 213 Montauk Hwy, West Sayville, NY 11796. Dian Dyer's primary practice is Great South Bay Medical Practice in West Sayville, New York. Dmand AI also links Dian Dyer to 2 group practices and clinics, 1 home health agency and 1 medical group.
What is Dian S. Dyer's office phone number?
The practice phone on file for Dian Dyer is (631) 563-6205.
What is Dian S. Dyer's medical license number?
Dian Dyer holds New York license 675302.
Which hospitals is Dian S. Dyer affiliated with?
Dian Dyer is affiliated with Good Samaritan University Hospital.
What medical group is Dian S. Dyer part of?
Dian Dyer is linked to Cardiac Interventional Group. Dmand AI links Dian Dyer to 1 more medical group.
Does Dian S. Dyer accept Medicare?
Yes. CMS lists Dian Dyer as accepting Medicare assignment.
Does Dian S. Dyer offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dian Dyer as offering telehealth services.
How many Medicare patients does Dian S. Dyer see?
CMS counts 101 Medicare patients who saw Dian Dyer in 2024, with an average age of 73.
Has Dian S. Dyer received payments from drug or device companies?
CMS Open Payments shows $101 in general payments to Dian Dyer from 3 companies from 2025 to 2025. The largest total came from Exact Sciences Corporation.
How long has Dian S. Dyer been practicing?
Dian Dyer graduated from medical school in 2019, 7 years ago.
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