Semmy Yun
- Part D claims, 2024
- 65
- Industry payments
- $2,386
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Practice address
- 220 Front St, New York, NY 10038-2033
- Practice phone
- Call (212) 385-3700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Bobby Buka, M.d.
Dermatology practice · New York, New York
Find Semmy Yun'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.
Semmy Yun is a physician assistant in Long Island City, New York
Semmy Yun practices at Bobby Buka, M.d. in New York, New York.
Semmy Yun's NPI, 1669716106, was assigned on November 21, 2012. Semmy Yun holds New York license 016282.
- NPI
- 1669716106NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638395817
- NPI enumeration date
- November 21, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (212) 385-3700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Semmy Yun practices in New York and Long Island City
Semmy Yun's primary practice is Bobby Buka, M.d., at 220 Front St, New York, NY 10038-2033. The practice phone is (212) 385-3700. The NPI Registry lists Semmy Yun's practice address as 10-41 47th Ave, Long Island City, NY 11101.
- Bobby Buka, M.d.Primary220 Front St, New York, NY 10038-2033Phone(212) 385-3700
- NPI Registry address10-41 47th Ave, Long Island City, NY 11101 · Queens County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Semmy Yun is affiliated with 2 sites of care and 2 medical groups
Semmy Yun's primary practice is Bobby Buka, M.d. in New York, New York. The medical group on file is NYU Langone Orthopedic Surgery Associates. Dmand AI also links Semmy Yun to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Semmy Yun's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Semmy Yun practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bobby Buka, M.d. | Available with a free account |
| +1 more site and 1 medical group | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Semmy Yun is one of 11,456 physician assistants in New York
Physician assistant is Semmy Yun's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Semmy Yun is licensed in New York.
Specialties and state licenses
- Physician assistant, New YorkPrimary
Physician assistants near Semmy Yun
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
Semmy Yun's patients have a median age of 34
Across all payers, Dmand AI patient panel data puts Semmy Yun's median patient age at 34, with 51% women.
Semmy Yun's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 34
Patient panel by sex, all payers
- Women51%
- Men48%
Source: Dmand AI Patient Panel Data
Semmy Yun wrote 65 Medicare Part D claims in 2024
In 2024, Semmy Yun wrote 65 Medicare Part D claims for 22 patients. 97% of them were for generic drugs.
Semmy Yun's Part D claims by kind of drug, 2024
- Generic63 claims97%
- Brand-name and other2 claims3%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Semmy Yun takes part in Medicare
Semmy Yun 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.
Semmy Yun received $2,386 in industry payments in 2025
CMS Open Payments shows 90 general payments to Semmy Yun from 17 drug and device companies in 2025. Food and beverage make up the largest share, 96% of the total. Medtronic, Inc. paid the most, $692.
General payments to Semmy Yun by kind, 2025 to 2025
- Food and beverage$2,28696%
- Education$1004%
Companies that paid Semmy Yun 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 Semmy Yun'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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) |
| 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 Semmy Yun
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Semmy Yun's NPI number?
Semmy Yun's NPI number is 1669716106. It was assigned on November 21, 2012, and it is active in the NPI Registry.
What does Semmy Yun specialize in?
Semmy Yun is a physician assistant in Long Island City, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Semmy Yun practice?
Semmy Yun practices at 220 Front St, New York, NY 10038-2033. Semmy Yun also practices at 10-41 47th Ave, Long Island City, NY 11101. Semmy Yun's primary practice is Bobby Buka, M.d. in New York, New York. Dmand AI also links Semmy Yun to 1 group practice or clinic and 1 medical group.
What is Semmy Yun's office phone number?
The practice phone on file for Semmy Yun is (212) 385-3700.
What is Semmy Yun's medical license number?
Semmy Yun holds New York license 016282.
What medical group is Semmy Yun part of?
Semmy Yun is linked to NYU Langone Orthopedic Surgery Associates. Dmand AI links Semmy Yun to 1 more medical group.
Does Semmy Yun accept Medicare?
Yes. CMS lists Semmy Yun as accepting Medicare assignment.
Has Semmy Yun received payments from drug or device companies?
CMS Open Payments shows $2,386 in general payments to Semmy Yun from 17 companies from 2025 to 2025. The largest total came from Medtronic, Inc.
How long has Semmy Yun been practicing?
Semmy Yun graduated from medical school in 2012, 14 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