Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Mark E Wechsler, MD

Anesthesiology Physician in Weymouth, MA · enumerated 2008 · practices at South Shore Anesthesia Associates, Inc..

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

National Provider Identifier

1245407378

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Registry record

Entity type Individual (Type 1)

Name Dr. Mark E Wechsler

Credential MD

Sex Male

Practice address 163 Libbey Pkwy, Suite 301, Weymouth, MA, 02189

Phone (781) 337-4224

Fax (781) 335-0429

Enumeration date May 8, 2008

Last updated in NPPES Aug 20, 2014

Taxonomy & licenses

207LP2900X Pain Medicine (Anesthesiology) Physician Allopathic & Osteopathic Physicians · License 247804 (MA) Secondary

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians · License 247804 (MA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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 Mark Wechsler?

The National Provider Identifier (NPI) for Mark Wechsler is 1245407378, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mark Wechsler practice?

The practice location on file with NPPES is in Weymouth, MA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-08-20.