Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Erin Del Ninno, MD

Obstetrics & Gynecology Physician in Silver Spring, MD · enumerated 2011.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1932491321

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Registry record

Entity type Individual (Type 1)

Name Erin Del Ninno

Credential MD

Sex Female

Practice address 1400 Forest Glen Rd, Suite 525, Silver Spring, MD, 20910

Phone (301) 593-8101

Fax (301) 593-1537

Enumeration date May 4, 2011

Last updated in NPPES Sep 21, 2023

Taxonomy & licenses

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License D79546 (MD) Primary

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License D0079546 (MD) 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
096845500	Medicaid	MD	-

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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Erin Del Ninno practice?

The practice location on file with NPPES is in Silver Spring, MD. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Erin Del Ninno?

The National Provider Identifier (NPI) for Erin Del Ninno is 1932491321, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-09-21.