Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Massachusetts Avenue Anesthesia Services, PC

Anesthesiology Physician in Bethesda, MD · enumerated 2005 · authorized official Matthew Wolins, President.

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

National Provider Identifier

1528045820

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Registry record

Entity type Organization (Type 2)

Legal business name Massachusetts Avenue Anesthesia Services, PC

Practice address 6400 Goldsboro Rd, Suite 400, Bethesda, MD, 20817

Phone (301) 263-0800

Fax (301) 263-0820

Enumeration date Dec 28, 2005

Last updated in NPPES Nov 3, 2010

Taxonomy & classification

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians · License DO054682 (MD) Primary

208VP0000X Pain Medicine Physician Allopathic & Osteopathic Physicians · License DO054682 (MD) Secondary

Authorized official

Name Matthew Wolins

Title President

Phone (301) 263-0800

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 a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

What type of organization is Massachusetts Avenue Anesthesia Services, PC?

Massachusetts Avenue Anesthesia Services, PC is registered in NPPES as a Anesthesiology Physician (its primary provider taxonomy).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-11-03.