Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Abraham P Dietz, MD

Internal Medicine Physician in Hyannis, MA · enumerated 2006 · practices at Abraham P. Dietz, MD.

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

National Provider Identifier

1518917186

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Registry record

Entity type Individual (Type 1)

Name Abraham P Dietz

Credential MD

Sex Male

Practice address Hyannis, MA, 02601

Phone (508) 778-0203

Fax (508) 778-1155

Enumeration date May 12, 2006

Last updated in NPPES Jul 10, 2012

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 044541 (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
0138304	Medicaid	MA	-

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 Abraham Dietz?

The National Provider Identifier (NPI) for Abraham Dietz is 1518917186, a Type 1 (individual) record in the CMS NPPES registry.

Where does Abraham Dietz practice?

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

Other providers at this practice address

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Abraham P. Dietz, MD Internal Medicine Physician · Hyannis, MA NPI 1720267214

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-07-10.