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About this NPIWhat this record shows.
NPI 1598558900 is registered to Mrs. Mary Ghrayeb Haddad M.D., a Student in an Organized Health Care Education/Training Program practising at 300 Longwood Ave Bch 3129 Boston Childrens Hospital, C/O Catherine Shank Department Of Otolaryngology in Boston, Massachusetts. Student in an Organized Health Care Education/Training Program is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Mrs. Mary Ghrayeb Haddad M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2025.
Provider type
Individual (Type 1)
Status
Active
Enumerated
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The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Mrs. Mary Ghrayeb Haddad M.D. accepts. To confirm in-network status with your specific health plan, contact Mrs. Mary Ghrayeb Haddad M.D. directly at (617) 355-5209.
Frequently asked
Yes. NPI 1598558900 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Student in an Organized Health Care Education/Training Program is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (617) 355-5209.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Mrs. Mary Ghrayeb Haddad M.D. is a Type-1 individual NPI.
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