NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Mercedes Elvira Menendez, M.D.

Psychiatry Physician in Worcester, MA · enumerated 2005.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1891779054

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Dr. Mercedes Elvira Menendez
Credential M.D.
Sex Female
Practice address 55 Lake Avenue North, Umass Memorial Medical Center, Adult Mental Health Unit, Worcester, MA, 01655
Fax (774) 442-8357
Enumeration date Dec 1, 2005
Last updated in NPPES Nov 16, 2010

Taxonomy & licenses

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License 206640 (MA) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
0118150 Medicaid MA -
206640 Other MA MEDICAL LICENSE #

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Mercedes Menendez?
The National Provider Identifier (NPI) for Mercedes Menendez is 1891779054, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mercedes Menendez practice?
The practice location on file with NPPES is in Worcester, MA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-11-16.