Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. John A Ferullo, MD
Specialist in Worcester, MA · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1528056439
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Registry record
Entity type Individual (Type 1)
Name Dr. John A Ferullo
Credential MD
Sex Male
Practice address 123 Summer St, Suite #655, Worcester, MA, 01608
Phone (508) 363-9335
Fax (508) 363-6111
Enumeration date Oct 13, 2005
Last updated in NPPES May 14, 2012
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 |
|---|---|---|---|
| 2072432 | Medicaid | MA | - |
| 448620 | Other | MA | CIGNA |
| 983631 | Other | MA | NETWORK HEALTH |
| 0000808 | Other | MA | NEIGHBORHOOD HELATH |
| 042974 | Other | MA | TUFTS HEALTHCARE |
| 060050947 | Other | MA | RAILROAD MEDICARE |
| 19068 | Other | MA | FALLON HEALTHCARE |
| 2580562 | Other | MA | EVERCARE |
| 3577 | Other | MA | HARVARD PILGRIM HEALTH |
| 4589594 | Other | MA | AETNA HEALTCARE |
| M17087 | Other | MA | BLUE CROSS BLUE SHIELD |
| 2039033 | Other | MA | US HEALTHCARE |
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
Is NPI 1528056439 active?
Yes, as of the latest NPPES snapshot, NPI 1528056439 is active (record last updated 2012-05-14).
How do I verify John Ferullo's NPI record?
Cross-check NPI 1528056439 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-05-14.