Fiona Wu
Critical Care Medicine Registered Nurse · Boston, MA
Fiona Wu is a critical care medicine registered nurse with a practice address in Boston, Massachusetts, and NPI 1659009215, issued on Aug 11, 2022. Check the license (Massachusetts RN2306386, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Fiona Wu
- Primary taxonomy
- Critical Care Medicine Registered Nurse 163WC0200X
- License number
- RN2306386 MA
Self-reported in NPPES; status is on the state search - Practice location
- 800 Washington St, Boston, MA 02111
- Phone
- (617) 636-5000
- Enumerated
- Aug 11, 2022
- Record last updated
- Aug 11, 2022
- Medicare enrollment
- Enrolled (PECOS I20240918001955); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest critical care medicine registered nurse records → All 76 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 Fiona Wu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2306386Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- University Anesthesia Medical GroupSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Fiona Wu among 76 critical care medicine registered nurse records in Massachusetts
Fiona Wu is one of 76 critical care medicine registered nurse records with a practice address in Massachusetts. 21% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 36% of them.
- NPI issued2022 · 36% of these records are older, 57% newer
- In a Medicare fileYes · 21% of these records are
- In the CMS Doctors and Clinicians fileYes · 20% of these records are
- Graduated2024 · median 2022 among the 15 with a school on file
- Record last updated2022 · 32% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163WC0200X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine Registered Nurse providers in Massachusetts
There are 76 critical care medicine registered nurse records in Massachusetts.
All 76 in Massachusetts → Every provider in Boston → Critical Care Medicine Registered Nurse nationwide →
The 8 critical care medicine registered nurse records with the nearest ZIP codes
- Sarah Bagley, RNBoston, MA 021111962379818
- Adam ButtsBoston, MA 021111457296576
- Mary Claire ConnorBoston, MA 021111659231124
- Denise Jenn, SRNABoston, MA 021111457839318
- Janice McLaughlin, RN CNSBoston, MA 021111538827100
- Chandler Porter, RNBoston, MA 021111538034152
- Kimberly Wall, RNBoston, MA 021111689310849
- Alexandria BarkerBoston, MA 021141740146067
Common questions
What is Fiona Wu's NPI number?
Fiona Wu's National Provider Identifier (NPI) is 1659009215, issued on Aug 11, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Fiona Wu located?
The NPPES record lists a practice address at 800 Washington St, Boston, MA, 02111. Phone: (617) 636-5000. Providers update this record themselves, so call before visiting.
How can I verify Fiona Wu's license?
NPPES lists Massachusetts license number RN2306386, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity 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.