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ALICIA SIGIA WU MD
NPI 1003496209
Psychiatry & Neurology - Psychiatry in Boston, MA

Active since April 12, 2021PECOS EnrolledAccepts Medicare Assignment
800 WASHINGTON ST, BOSTON, MA 02111(617) 636-1619(617) 636-8215 Get Directions Write a Review

NPPES record last updated: April 17, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Alicia Sigia Wu Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALICIA SIGIA WU MD (NPI 1003496209) is an individual psychiatry provider in Boston, Massachusetts, licensed in Massachusetts (1023321) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, is affiliated with Lowell General Hospital, and maintains a secondary practice location in Lowell.

NPPES Registry Identity

NPI1003496209
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameALICIA SIGIA WUCredential: MD
Location Address800 WASHINGTON STBoston, MA 02111-1552
Mailing Address1 Hospital DrLowell, MA 01852-1311 · (978) 934-8202
Phone(617) 636-1619
Fax(617) 636-8215
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateApril 12, 2021
Last NPPES UpdateApril 17, 2025
NPPES CertifiedApril 17, 2025
✔ NPI 1003496209 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in MA · 1023321
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
800 WASHINGTON ST, Boston, MA 02111
Open in Google Maps ↗

Secondary Practice Location 1

Location 11 Hospital DrLowell, MA 01852-1311 · Phone (978) 934-8202

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care, Taro Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Alicia Sigia Wu Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4880102136
PECOS Enrollment IDI20250806002493
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Alicia Wu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pratt Psychiatric Associates, Inc
Same address
Psychiatry
800 WASHINGTON ST, BOX 1013
Boston, MA 02111
  • Reassigned Medicare billing, Massachusetts enrollment
  • 90 clinicians in this Medicare group
NPI 1245270875 (617) 636-5000
Lgh Medical Group, Inc.
25 mi
Hospitalist
295 VARNUM AVE
Lowell, MA 01854
  • Reassigned Medicare billing, Massachusetts enrollment
  • 220 clinicians in this Medicare group
NPI 1174698385 (978) 788-7218

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Lowell General Hospital

Acute Care Hospitals · Lowell, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220063
Location295 Varnum AvenueLowell, MA 01854 · Middlesex County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02111 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$189.86 typical visit price
range $63.72 – $189.86
Typical copayment $47.46 (range $15.93 – $47.46)
Most-billed visit code 99205
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AARON DICKSTEIN M.D.
Internal Medicine (Gastroenterology)
800 WASHINGTON ST, BOX 233
BOSTON, MA 02111
Suffolk County (617) 636-5883
THOMAS E BIGELOW
Technician/Technologist (Optician)
800 WASHINGTON ST, BOX 450
BOSTON, MA 02111
Suffolk County (617) 636-5857
SARAH MERRIMAN PERSING M.D.
Plastic Surgery
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-5000
DR. SHARANYA MOHANTY M.D.
Internal Medicine
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-5000
AFRAH SADIQ SAIT MOHAMMED M.D.
Internal Medicine (Infectious Disease)
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (718) 629-7204
ADNAN SALIM QAMAR MD
Student in an Organized Health Care Education/Training Program
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-5829
ZEANAARONEVAN ANDRES LUNA
Student in an Organized Health Care Education/Training Program
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-8100
ELISE MERCEDES OCHS
Student in an Organized Health Care Education/Training Program
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (857) 245-9891

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alicia Wu's NPI number?

The NPI number for Alicia Wu is 1003496209. It was assigned to this individual provider in the NPPES registry on April 12, 2021.

Where is Alicia Wu located?

Alicia Wu practices at 800 Washington St, Boston, MA 02111. The listed phone number is (617) 636-1619.

What is Alicia Wu's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Alicia Wu enrolled in Medicare?

Yes. Alicia Wu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Alicia Wu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alicia Wu reassigns Medicare benefits to 2 organizations: Pratt Psychiatric Associates, Inc (Boston, MA) and Lgh Medical Group, Inc. (Lowell, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alicia Wu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alicia Wu accept?

Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and Taro Health list Alicia Wu as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Alicia Wu affiliated with any hospitals?

According to CMS data, Alicia Wu is affiliated with Lowell General Hospital.

When was this NPI record last updated?

The NPPES record for Alicia Wu was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.