Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Charles D Allen, MD
Surgery Physician in Medford, MA · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1720063142
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Registry record
Entity type Individual (Type 1)
Name Dr. Charles D Allen
Credential MD
Sex Male
Practice address 49 Governors Ave, Medford, MA, 02155
Phone (781) 395-6122
Fax (781) 395-2595
Enumeration date Dec 8, 2005
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 |
|---|---|---|---|
| B53097 | Other | MA | BCBS |
| 040486 | Other | MA | TUFTS |
| 8475 | Other | MA | HARVARD PIL |
| 2058502 | 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.
Frequently asked questions
How do I verify Charles Allen's NPI record?
Cross-check NPI 1720063142 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1720063142 active?
Yes, as of the latest NPPES snapshot, NPI 1720063142 is active (record last updated 2007-07-08).
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.