Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Stuart Jay Arbesfeld, M.D.
Specialist in Lowell, MA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1326123308
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Registry record
Entity type Individual (Type 1)
Name Dr. Stuart Jay Arbesfeld
Credential M.D.
Sex Male
Practice address 275 Varnum Ave, Suite 107, Lowell, MA, 01854
Phone (978) 452-3888
Fax (978) 453-5888
Enumeration date Oct 26, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
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 |
|---|---|---|---|
| 3115411 | Medicaid | MA | - |
| 4740 | Other | MA | HARVARD PILGRIM HEALTHCAR |
| 531600 | Other | MA | AETNA |
| 703522 | Other | MA | TUFTS HEALTH PLAN |
| J08142 | Other | MA | BLUE CROSS BLUE SHIELD |
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.
Frequently asked questions
What specialty is Stuart Arbesfeld?
Stuart Arbesfeld is registered in NPPES with the primary taxonomy of Specialist. 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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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.