Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Cecilia Crane Fix, M.D.

Addiction Medicine (Internal Medicine) Physician in Fall River, MA · enumerated 2014 · practices at Stanley Street Treatment and Resources, Inc.

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

National Provider Identifier

1679991806

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Registry record

Entity type Individual (Type 1)

Name Cecilia Crane Fix

Credential M.D.

Sex Female

Practice address 400 Stanley St, Fall River, MA, 02720

Phone (508) 675-1054

Fax (508) 324-7777

Enumeration date Apr 4, 2014

Last updated in NPPES Jul 15, 2021

Taxonomy & licenses

207RA0401X Addiction Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License MD17080 (RI) Secondary

207RA0401X Addiction Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License 288738 (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 specialty is Cecilia Fix?

Cecilia Fix is registered in NPPES with the primary taxonomy of Addiction Medicine (Internal Medicine) Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-07-15.