Giyoung Choi, PHYSICIAN ASSISTANT
Physician Assistant · Somerville, MA
Giyoung Choi, PHYSICIAN ASSISTANT is a physician assistant with a practice address in Somerville, Massachusetts, and NPI 1154192334, issued on Jan 15, 2024. Check the license (Massachusetts PA100730, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Giyoung Choi
- Credential
- PHYSICIAN ASSISTANT
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- PA100730 MA
PA63922 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1020 Broadway, Somerville, MA 02144
- Phone
- (617) 628-2160
- Enumerated
- Jan 15, 2024
- Record last updated
- Sep 11, 2025
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,713 in Massachusetts → Look up another NPI →
Also registered at 1020 Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carla CollinsFamily Nurse Practitioner1790064442
- Leora Fishman, MDFamily Medicine Physician1013908599
- Joel MyersFamily Nurse Practitioner1811308158
- Margaret Satterfield, FNPFamily Nurse Practitioner1770883597
Verify Giyoung Choi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license PA100730Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average physician assistant in 2024
129 Medicare Part D claims for 86 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $20.45
1 payment: food and beverage; the largest payer was Hologic Sales and Service, LLC. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Giyoung Choi among 4,713 physician assistant records in Massachusetts
Giyoung Choi, PHYSICIAN ASSISTANT is one of 4,713 physician assistant records with a practice address in Massachusetts. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 83% of them.
- NPI issued2024 · 83% of these records are older, 9% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2025 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physician Assistant providers in Massachusetts
There are 4,713 physician assistant records in Massachusetts.
All 4,713 in Massachusetts → Every provider in Somerville → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Grace Bouton, PA-CSomerville, MA 021441417506684
- D. Gilbert, PA-CSomerville, MA 021441033274436
- Kourtney Kacian, PHYSICIAN ASSISTANTSomerville, MA 021441154059277
- Michael McCarthy, PASomerville, MA 021441477828382
- Jonathan Selwitz, PA-CSomerville, MA 021441467064220
- Deborah Adner, PASomerville, MA 021451821025214
- Marriann Dew, PA-CSomerville, MA 021451164298568
- Danielle Jacobsen, PA-CSomerville, MA 021431811546781
Common questions
What is Giyoung Choi, PHYSICIAN ASSISTANT's NPI number?
Giyoung Choi, PHYSICIAN ASSISTANT's National Provider Identifier (NPI) is 1154192334, issued on Jan 15, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Giyoung Choi, PHYSICIAN ASSISTANT located?
The NPPES record lists a practice address at 1020 Broadway, Somerville, MA, 02144. Phone: (617) 628-2160. Providers update this record themselves, so call before visiting.
How can I verify Giyoung Choi, PHYSICIAN ASSISTANT's license?
NPPES lists Massachusetts license number PA100730, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Giyoung Choi, PHYSICIAN ASSISTANT prescribe under Medicare Part D?
In 2024, Giyoung Choi, PHYSICIAN ASSISTANT had 129 Medicare Part D claims for 86 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.