Julia Sungeun Ahn
- Medicare patients, 2024
- 16
- Part D claims, 2024
- 205
- Hospital affiliations
- 1
- Medical groups
- 5
- State license
- 1
- Practice address
- Health Sciences Center Suny, Stony Brook, NY 11794
- Practice phone
- Call (631) 444-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Julia Ahn'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.
Julia Sungeun Ahn is a physician assistant in Stony Brook, New York
Julia Ahn practices at Stony Brook University Hospital in Stony Brook, New York, part of Stony Brook University.
Julia Ahn's NPI, 1780055699, was assigned on October 19, 2015.
- NPI
- 1780055699NPI Registry (opens in a new tab)
- NPI enumeration date
- October 19, 2015
- NPI status
- Active
- Practice phone
- (631) 444-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Julia Sungeun Ahn practices at 2 locations in Stony Brook, New York
Julia Ahn's primary practice is Stony Brook University Hospital, at Health Sciences Center Suny, Stony Brook, NY 11794 in Suffolk County. The practice phone is (631) 444-4000. Julia Ahn also practices at Stony Brook University Hospital, 101 Nicolls Rd, Stony Brook, NY 11794.
- Stony Brook University HospitalPrimaryHealth Sciences Center Suny, Stony Brook, NY 11794 · Suffolk CountyPhone(631) 444-4000
- Stony Brook University Hospital101 Nicolls Rd, Stony Brook, NY 11794 · Suffolk CountyPhone(631) 444-4100
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Julia Sungeun Ahn is affiliated with 5 sites of care and 5 medical groups
Julia Ahn's primary practice is Stony Brook University Hospital in Stony Brook, New York, part of Stony Brook University. The medical group on file is Stony Brook Emergency Physicians. Dmand AI also links Julia Ahn to 4 more medical groups, 3 group practices and clinics and 1 clinical lab, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Julia Sungeun Ahn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Julia Ahn practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stony Brook University Hospital | Available with a free account |
| +4 more sites and 4 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 Stony Brook University and 6.2K+ hospitals, with verified contacts in the same login.
Julia Sungeun Ahn is one of 11,456 physician assistants in New York
Physician assistant is Julia Ahn's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Julia Ahn has a license on file in New York.
Specialties and state licenses
- Physician assistant, New York
Physician assistants near Julia Ahn
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
Julia Sungeun Ahn treated 16 Medicare patients in 2024, average age 75
CMS counts 16 Medicare patients who saw Julia Ahn in 2024. The largest group is under 65, with 0 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 1.94, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Julia Ahn's median patient age at 63, with 55% women.
Julia Ahn's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Julia Ahn's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
Share of Medicare patients with each condition. A patient can have several.
Julia Ahn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women55%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Julia Sungeun Ahn wrote 205 Medicare Part D claims in 2024
In 2024, Julia Ahn wrote 205 Medicare Part D claims for 123 patients. 93% of them were for generic drugs. CMS names the drug for 94 of them, across 6 drugs with 11 or more claims each, at $998 in total drug cost.
Julia Ahn's Part D claims by kind of drug, 2024
- Generic190 claims93%
- Brand-name and other15 claims7%
Julia Ahn's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Julia Ahn's Part D claims, 2024
- Opioids6%13 of 205 claims
- Antibiotics26%54 of 205 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
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 Julia Sungeun Ahn'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 Affiliation DataDmand AI Practice 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 and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (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 Julia Sungeun Ahn
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Julia Sungeun Ahn's NPI number?
Julia Sungeun Ahn's NPI number is 1780055699. It was assigned on October 19, 2015, and it is active in the NPI Registry.
What does Julia Sungeun Ahn specialize in?
Julia Sungeun Ahn is a physician assistant in Stony Brook, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Julia Sungeun Ahn practice?
Julia Ahn practices at Health Sciences Center Suny, Stony Brook, NY 11794. Julia Ahn also practices at 101 Nicolls Rd, Stony Brook, NY 11794. Julia Ahn's primary practice is Stony Brook University Hospital in Stony Brook, New York, part of Stony Brook University. Dmand AI also links Julia Ahn to 4 medical groups, 3 group practices and clinics and 1 clinical lab.
What is Julia Sungeun Ahn's office phone number?
The practice phone on file for Julia Ahn is (631) 444-4000.
Which hospitals is Julia Sungeun Ahn affiliated with?
Julia Ahn practices at Stony Brook University Hospital in Stony Brook, New York.
What medical group is Julia Sungeun Ahn part of?
Julia Ahn is linked to Stony Brook Emergency Physicians. Dmand AI links Julia Ahn to 4 more medical groups.
How many Medicare patients does Julia Sungeun Ahn see?
CMS counts 16 Medicare patients who saw Julia Ahn in 2024, with an average age of 75.
What drugs does Julia Sungeun Ahn prescribe most?
In 2024 Medicare Part D data, Julia Ahn's most prescribed drugs by claims were Ibuprofen, Cephalexin and Ondansetron ODT.
How long has Julia Sungeun Ahn been practicing?
Julia Ahn graduated from medical school in 2015, 11 years ago.
Selling to physician assistant practices?
See physician assistants in New York by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card