Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Colette Piasecki-Masters, MD, BS

Physical Medicine & Rehabilitation Physician in Boston, MA · enumerated 2023.

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

National Provider Identifier

1114620044

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Registry record

Entity type Individual (Type 1)

Name Colette Piasecki-Masters

Credential MD, BS

Sex Female

Practice address 300 1st Ave, Boston, MA, 02129

Phone (617) 952-5000

Enumeration date Mar 22, 2023

Last updated in NPPES Jun 18, 2024

Taxonomy & licenses

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary

208100000X Physical Medicine & Rehabilitation Physician Allopathic & Osteopathic Physicians · License 3015686 (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 Colette Piasecki-Masters?

Colette Piasecki-Masters is registered in NPPES with the primary taxonomy of Physical Medicine & Rehabilitation 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.

Other providers at this practice address

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Jonathan Bean Physical Medicine & Rehabilitation Physician · Boston, MA NPI 1730160953 The Spaulding Rehabilitation Hospital Corporation Rehabilitation Hospital · Charlestown, MA NPI 1780600825 Julie Piotrowski Pediatric Nurse Practitioner · Charlestown, MA NPI 1275668352 Diana Fischer Physical Therapist · Charlestown, MA NPI 1063542207 Dorothy Tolchin Physical Medicine & Rehabilitation Physician · Charleston, MA NPI 1073708889 Julie Lewis Health Psychologist · Charlestown, MA NPI 1801104096 Tara Casella Pediatric Nurse Practitioner · Boston, MA NPI 1518260397 Chloe Slocum Spinal Cord Injury Medicine Physician · Charlestown, MA NPI 1487947222

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-06-18.