Doreen W. Cassarino, ARNP
- Medicare patients, 2024
- 516
- Part D claims, 2024
- 10,300
- Industry payments
- $2,587
- Affiliated sites
- 3
- Medical groups
- 2
- Practice address
- 18338 Murdock Cir, Port Charlotte, FL 33948
- Practice phone
- Call (855) 674-7401
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Millennium Physician Group
Port Charlotte, Florida
Find Doreen Cassarino'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.
Doreen W. Cassarino is a nurse practitioner in Port Charlotte, Florida
Doreen Cassarino practices at Millennium Physician Group in Port Charlotte, Florida.
Doreen Cassarino's NPI, 1245266493, was assigned on June 22, 2006. Doreen Cassarino holds Florida license APRN1363992.
- NPI
- 1245266493NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507816105
- NPI enumeration date
- June 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (855) 674-7401
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Doreen W. Cassarino practices at Millennium Physician Group in Port Charlotte, Florida
Doreen Cassarino's primary practice is Millennium Physician Group, at 18338 Murdock Cir, Port Charlotte, FL 33948 in Charlotte County. The practice phone is (855) 674-7401.
- Millennium Physician Group18338 Murdock Cir, Port Charlotte, FL 33948 · Charlotte CountyPhone(855) 674-7401
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Doreen W. Cassarino is affiliated with 4 sites of care and 2 medical groups
Doreen Cassarino's primary practice is Millennium Physician Group in Port Charlotte, Florida. The medical group on file is Millennium Physician Group. Dmand AI also links Doreen Cassarino 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 Doreen W. Cassarino's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Doreen Cassarino practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Millennium Physician Group | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Doreen W. Cassarino is one of 5,914 nurse practitioners in Florida
Nurse practitioner is Doreen Cassarino's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Doreen Cassarino is licensed in Florida.
Specialties and state licenses
- Nurse practitioner, FloridaPrimary
Nurse practitioners near Doreen Cassarino
Counts of 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
Doreen W. Cassarino treated 516 Medicare patients in 2024, average age 76
CMS counts 516 Medicare patients who saw Doreen Cassarino in 2024. The largest group is 65 to 74, with 235 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.39, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Doreen Cassarino's median patient age at 72, with 60% women.
Doreen Cassarino's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Doreen Cassarino's Medicare patients by sex, 2024
- Women31761%
- Men19939%
Chronic conditions among Doreen Cassarino's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease53%
- Arthritis51%
- Diabetes43%
- Chronic kidney disease35%
- Mood disorders28%
- Depression26%
Share of Medicare patients with each condition. A patient can have several.
Doreen Cassarino's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Doreen W. Cassarino wrote 10,300 Medicare Part D claims in 2024
In 2024, Doreen Cassarino wrote 10,300 Medicare Part D claims for 795 patients. 68% of them were for generic drugs.
Doreen Cassarino's Part D claims by kind of drug, 2024
- Generic6,980 claims68%
- Brand-name3,106 claims30%
- Other214 claims2%
Drug classes CMS tracks in Doreen Cassarino's Part D claims, 2024
- Antibiotics3%332 of 10,300 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
Doreen W. Cassarino offers telehealth to Medicare patients
Doreen Cassarino accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Doreen Cassarino as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Doreen W. Cassarino received $2,587 in industry payments in 2025
CMS Open Payments shows 63 general payments to Doreen Cassarino from 22 drug and device companies in 2025. Speaker and faculty fees make up the largest share, 53% of the total. Bayer HealthCare Pharmaceuticals Inc. paid the most, $950.
General payments to Doreen Cassarino by kind, 2025 to 2025
- Speaker and faculty fees$1,37853%
- Food and beverage$1,16745%
- Education$422%
Companies that paid Doreen Cassarino 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 Doreen W. Cassarino'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 Doreen W. Cassarino
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Doreen W. Cassarino's NPI number?
Doreen W. Cassarino's NPI number is 1245266493. It was assigned on June 22, 2006, and it is active in the NPI Registry.
What does Doreen W. Cassarino specialize in?
Doreen W. Cassarino is a nurse practitioner in Port Charlotte, Florida. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Doreen W. Cassarino practice?
Doreen Cassarino practices at 18338 Murdock Cir, Port Charlotte, FL 33948. Doreen Cassarino's primary practice is Millennium Physician Group in Port Charlotte, Florida. Dmand AI also links Doreen Cassarino to 2 group practices and clinics, 1 home health agency and 1 medical group.
What is Doreen W. Cassarino's office phone number?
The practice phone on file for Doreen Cassarino is (855) 674-7401.
What is Doreen W. Cassarino's medical license number?
Doreen Cassarino holds Florida license APRN1363992.
What medical group is Doreen W. Cassarino part of?
Doreen Cassarino is linked to Millennium Physician Group. Dmand AI links Doreen Cassarino to 1 more medical group.
Does Doreen W. Cassarino accept Medicare?
Yes. CMS lists Doreen Cassarino as accepting Medicare assignment.
Does Doreen W. Cassarino offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Doreen Cassarino as offering telehealth services.
How many Medicare patients does Doreen W. Cassarino see?
CMS counts 516 Medicare patients who saw Doreen Cassarino in 2024, with an average age of 76.
Has Doreen W. Cassarino received payments from drug or device companies?
CMS Open Payments shows $2,587 in general payments to Doreen Cassarino from 22 companies from 2025 to 2025. The largest total came from Bayer HealthCare Pharmaceuticals Inc.
How long has Doreen W. Cassarino been practicing?
Doreen Cassarino graduated from medical school in 2000, 26 years ago.
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