Mary Kathryn Giannico, PA
- Part D claims, 2024
- 26
- Hospital affiliations
- 1
- Medical groups
- 8
- State license
- 1
- Year NPI issued
- 2021
- Practice address
- 75 North Country Road, Port Jefferson, NY 11777
- Practice phone
- Call (631) 473-1320
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Mary Giannico'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 Kathryn Giannico is a physician assistant in Port Jefferson, New York
Mary Giannico practices at Mather Hospital in Port Jefferson, New York, part of Northwell Health.
Mary Giannico's NPI, 1154908390, was assigned on March 25, 2021. Mary Giannico holds New York license 026500.
- NPI
- 1154908390NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416365390
- NPI enumeration date
- March 25, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (631) 473-1320
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mary Kathryn Giannico practices at Mather Hospital in Port Jefferson, New York
Mary Giannico's primary practice is Mather Hospital, at 75 North Country Road, Port Jefferson, NY 11777 in Suffolk County. The practice phone is (631) 473-1320.
- Mather Hospital75 North Country Road, Port Jefferson, NY 11777 · Suffolk CountyPhone(631) 473-1320
Source: Dmand AI Affiliation Data
Mary Kathryn Giannico is affiliated with 3 sites of care and 8 medical groups
Mary Giannico's primary practice is Mather Hospital in Port Jefferson, New York, part of Northwell Health. The medical group on file is Cardiac Interventional Group. Dmand AI also links Mary Giannico to 7 more medical groups, 1 group practice or clinic and 1 skilled nursing facility, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Mary Kathryn Giannico's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mary Giannico practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mather Hospital | Available with a free account |
| +2 more sites and 7 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Northwell Health and 6.2K+ hospitals, with verified contacts in the same login.
Mary Kathryn Giannico is one of 11,456 physician assistants in New York
Physician assistant is Mary Giannico's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Mary Giannico is licensed in New York.
Specialties and state licenses
- Physician assistant, New YorkPrimary
Physician assistants near Mary Giannico
Counts of physician assistants 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 Kathryn Giannico's patients have a median age of 56
Across all payers, Dmand AI patient panel data puts Mary Giannico's median patient age at 56, with 57% women.
Mary Giannico's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women57%
- Men39%
Source: Dmand AI Patient Panel Data
Mary Kathryn Giannico wrote 26 Medicare Part D claims in 2024
In 2024, Mary Giannico wrote 26 Medicare Part D claims for 13 patients. 69% of them were for generic drugs.
Mary Giannico's Part D claims by kind of drug, 2024
- Generic18 claims69%
- Brand-name and other8 claims31%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Mary Kathryn Giannico takes part in Medicare
Mary Giannico 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Mary Kathryn Giannico'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 Data |
| 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) |
| 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 Kathryn Giannico
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 Kathryn Giannico's NPI number?
Mary Kathryn Giannico's NPI number is 1154908390. It was assigned on March 25, 2021, and it is active in the NPI Registry.
What does Mary Kathryn Giannico specialize in?
Mary Kathryn Giannico is a physician assistant in Port Jefferson, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Mary Kathryn Giannico practice?
Mary Giannico practices at 75 North Country Road, Port Jefferson, NY 11777. Mary Giannico's primary practice is Mather Hospital in Port Jefferson, New York, part of Northwell Health. Dmand AI also links Mary Giannico to 7 medical groups, 1 group practice or clinic and 1 skilled nursing facility.
What is Mary Kathryn Giannico's office phone number?
The practice phone on file for Mary Giannico is (631) 473-1320.
What is Mary Kathryn Giannico's medical license number?
Mary Giannico holds New York license 026500.
Which hospitals is Mary Kathryn Giannico affiliated with?
Mary Giannico practices at Mather Hospital in Port Jefferson, New York.
What medical group is Mary Kathryn Giannico part of?
Mary Giannico is linked to Cardiac Interventional Group. Dmand AI links Mary Giannico to 7 more medical groups.
Does Mary Kathryn Giannico accept Medicare?
Yes. CMS lists Mary Giannico as accepting Medicare assignment.
How long has Mary Kathryn Giannico been practicing?
Mary Giannico graduated from medical school in 2021, 5 years ago.
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