Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. David A Diamond, MD
Urology Physician in Boston, MA · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1619954658
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Registry record
Entity type Individual (Type 1)
Name Dr. David A Diamond
Credential MD
Sex Male
Practice address 300 Longwood Ave, Childrens Urological Foundation, Boston, MA, 02115
Phone (617) 355-8338
Fax (617) 730-0474
Enumeration date Dec 30, 2005
Last updated in NPPES Jul 17, 2023
Taxonomy & licenses
363AM0700X Medical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 308942 (NY) Secondary
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 |
|---|---|---|---|
| 3072791 | Other | - | WCT |
| 732016 | Other | - | TUFTS |
| 1900273 | Other | - | UNI4 |
| AA8296 | Other | - | HPHC |
| 1900273 | Other | - | UHP |
| 4321198002 | Other | - | CIG2 |
| 93183 | Other | - | FCHP |
| 11273 | Other | - | HNE |
| 1900273 | Other | - | METRA |
| 30007318 | Other | - | WNH |
| P2781842 | Other | - | OXFORD |
| 000000009230 | Other | - | BMC |
| 1900273 | Other | - | UNI7 |
| 991939 | Other | - | NETHE |
| Z11048 | Other | - | HEALT |
| 1900273 | Other | - | UNI1 |
| 0000871 | Other | - | NHP |
| 6192653 | 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 David Diamond's NPI record?
Cross-check NPI 1619954658 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1619954658 active?
Yes, as of the latest NPPES snapshot, NPI 1619954658 is active (record last updated 2023-07-17).
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-07-17.