Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Leslie Michelle Simmons, MD

Obstetrics & Gynecology Physician in Silver Spring, MD · enumerated 2006.

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

National Provider Identifier

1598870198

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Registry record

Entity type Individual (Type 1)

Name Dr. Leslie Michelle Simmons

Credential MD

Sex Female

Practice address 1111 Spring St, Suite 220, Silver Spring, MD, 20910

Phone (301) 585-0040

Fax (301) 565-8079

Enumeration date Aug 21, 2006

Last updated in NPPES Dec 20, 2011

Taxonomy & licenses

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License D0050606 (MD) Primary

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
363791301	Medicaid	MD	-
462203	Other	MD	ANTHEM
534927-06	Other	MD	BC/BSMD
0701253	Other	MD	UHC-COMMUNITY
2995340	Other	-	AETNA HMO
0003	Other	DC	BC/BSDC
633196	Other	MD	MAMSI
08173	Other	MD	AMERIGROUP
4672749	Other	-	AETNA PPO

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.

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Frequently asked questions

What is the NPI number for Leslie Simmons?

The National Provider Identifier (NPI) for Leslie Simmons is 1598870198, a Type 1 (individual) record in the CMS NPPES registry.

Where does Leslie Simmons practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-12-20.