Kai-Yin Hsu
Gerontology Nurse Practitioner · Boston, MA
Kai-Yin Hsu is a gerontology nurse practitioner with a practice address in Boston, Massachusetts, and NPI 1962632208, issued on Jul 21, 2009. Check the license (Massachusetts RN2277656, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kai-Yin Hsu
- Primary taxonomy
- Gerontology Nurse Practitioner 363LG0600X
- License number
- RN2277656 MA
Self-reported in NPPES; status is on the state search - Practice location
- 800 Washington St, Boston, MA 02111
- Phone
- (617) 636-5400
- Enumerated
- Jul 21, 2009
- Record last updated
- Nov 7, 2025
- Medicare enrollment
- Enrolled (PECOS I20180124003338); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gerontology nurse practitioner records → All 379 in Massachusetts → Look up another NPI →
Also registered at 800 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeffrey Aalberg, MD, MPHSurgery Physician1326788027
- Omer Abbak, PHARMDPharmacist1114500337
- Aya Abdelnaser, MDStudent in an Organized Health Care Education/Training Program1770425373
- Marie Elise Abi Antoun, MDObstetrics & Gynecology Physician1356042626
- Ahmad AboalfarajSurgery Physician1538517651
- Tala Abu Samaan, MDStudent in an Organized Health Care Education/Training Program1376386250
Verify Kai-Yin Hsu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2277656Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average gerontology nurse practitioner in 2024
541 Medicare Part D claims for 161 beneficiaries, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Amlodipine Besylate47 claims
- Diclofenac Sodium44 claims
- Atorvastatin Calcium38 claims
- Fluticasone Propionate25 claims
- Gabapentin23 claims
- Famotidine20 claims
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.
Bills Medicare through one group practice
- Pratt Medical Group IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kai-Yin Hsu among 379 gerontology nurse practitioner records in Massachusetts
Kai-Yin Hsu is one of 379 gerontology nurse practitioner records with a practice address in Massachusetts. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 30% of them.
- NPI issued2009 · 30% of these records are older, 68% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated2016 · median 2017 among the 192 with a school on file
- Record last updated2025 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gerontology Nurse Practitioner providers in Massachusetts
There are 379 gerontology nurse practitioner records in Massachusetts.
All 379 in Massachusetts → Every provider in Boston → Gerontology Nurse Practitioner nationwide →
The 8 gerontology nurse practitioner records with the nearest ZIP codes
- Rachel Clarke, APRNBoston, MA 021111174950331
- Julie Howe, N.P.Boston, MA 021111629403928
- Susan UleryBoston, MA 021111184271637
- Ashley DimauroBoston, MA 021101669018370
- Krista Marshall, NPBoston, MA 021101649527037
- Steven Afrow, NPBoston, MA 021091871946152
- Junnie Charles, ARNPBoston, MA 021091780197194
- Christine Corallino, AGPCNP-BCBoston, MA 021091366961310
Common questions
What is Kai-Yin Hsu's NPI number?
Kai-Yin Hsu's National Provider Identifier (NPI) is 1962632208, issued on Jul 21, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Kai-Yin Hsu located?
The NPPES record lists a practice address at 800 Washington St, Boston, MA, 02111. Phone: (617) 636-5400. Providers update this record themselves, so call before visiting.
How can I verify Kai-Yin Hsu's license?
NPPES lists Massachusetts license number RN2277656, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Kai-Yin Hsu prescribe under Medicare Part D?
In 2024, Kai-Yin Hsu had 541 Medicare Part D claims for 161 beneficiaries; the average among gerontology nurse practitioner prescribers was 1,369. 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.