Alicia Sigia Wu, MD
Psychiatry Physician · Boston, MA
Alicia Sigia Wu, MD is a psychiatry physician with a practice address in Boston, Massachusetts, and NPI 1003496209, issued on Apr 12, 2021. Check the license (Massachusetts 1023321, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Alicia Sigia Wu
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 1023321 MA
Self-reported in NPPES; status is on the state search - Practice location
- 800 Washington St, Boston, MA 02111
- Phone
- (617) 636-1619
- Enumerated
- Apr 12, 2021
- Record last updated
- Apr 17, 2025
- Fax
- (617) 636-8215
- Medicare enrollment
- Enrolled (PECOS I20250806002493); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,736 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.
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Verify Alicia Sigia Wu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1023321Check 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
- Lgh Medical Group, Inc.Lowell, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alicia Sigia Wu among 2,736 psychiatry physician records in Massachusetts
Alicia Sigia Wu, MD is one of 2,736 psychiatry physician records with a practice address in Massachusetts. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 93% of them.
- NPI issued2021 · 93% of these records are older, 5% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated2021 · median 2005 among the 1,219 with a school on file
- Record last updated2025 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
845 psychiatry physician records list a practice address in Boston
They are 845 of the 41,865 NPPES records with a practice address in Boston, and 2,736 psychiatry physician records in Massachusetts.
All 2,736 in Massachusetts → Every provider in Boston → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- David Adler, M.D.Boston, MA 021111760446223
- Seyyed Ghaemi, MDBoston, MA 021111003928102
- Lee Hsu, MD, FRC PSYCHBoston, MA 021111952417693
- Grigoriy Labun, M.D.Boston, MA 021111144252685
- Ingrid Li, M.D.Boston, MA 021111821022575
- Matthew McGonagle, MDBoston, MA 021111598780231
- Sabrina Popp, M.D.Boston, MA 021111245287903
- Thomas Posever, MDBoston, MA 021111841300266
Common questions
What is Alicia Sigia Wu, MD's NPI number?
Alicia Sigia Wu, MD's National Provider Identifier (NPI) is 1003496209, issued on Apr 12, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Alicia Sigia Wu, MD located?
The NPPES record lists a practice address at 800 Washington St, Boston, MA, 02111. Phone: (617) 636-1619. Providers update this record themselves, so call before visiting.
How can I verify Alicia Sigia Wu, MD's license?
NPPES lists Massachusetts license number 1023321, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.