Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Aziz Aref Massaad, M.D.

Q: What is the NPI number for Aziz Massaad?

The National Provider Identifier (NPI) for Aziz Massaad is 1134173792, a Type 1 (individual) record in the CMS NPPES registry.

Surgery Physician in Machias, ME · enumerated 2006 · practices at Downeast Medical Associates, Inc..

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

National Provider Identifier

1134173792

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Registry record

Entity type Individual (Type 1)

Name Aziz Aref Massaad

Credential M.D.

Sex Male

Practice address 229 Main St, Suite 1, Machias, ME, 04654

Phone (207) 255-6831

Fax (207) 255-6832

Enumeration date May 19, 2006

Last updated in NPPES Sep 27, 2011

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 014088 (ME) Primary

208C00000X Colon & Rectal Surgery Physician Allopathic & Osteopathic Physicians · License 014088 (ME) Secondary

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
130180099	Medicaid	ME	-
AA41896	Other	ME	HARVARD PILGRIM
P00187069	Other	ME	RAILROAD MEDICARE
047954	Other	ME	ANTHEM OF MAINE

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 Aziz Massaad?

The National Provider Identifier (NPI) for Aziz Massaad is 1134173792, a Type 1 (individual) record in the CMS NPPES registry.

Where does Aziz Massaad practice?

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

Other providers at this practice address

Browse all →

Downeast Medical Associates, Inc. Surgery Physician · Machias, ME NPI 1215981790 Rita Ten Pain Medicine (Anesthesiology) Physician · Machias, ME NPI 1346287596 Abigail Askren Ledford Physician Assistant · Machias, ME NPI 1306485735

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-09-27.