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MS. SIENNA MONAGAN LYON LGPC
NPI 1730966938
Counselor - Mental Health in Cabin John, MD

Active since September 11, 2023
7945 MACARTHUR BLVD STE 214, CABIN JOHN, MD 20818(301) 987-7284 Get Directions Write a Review

NPPES record last updated: September 11, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Ms. Sienna Monagan Lyon Lgpc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. SIENNA MONAGAN LYON LGPC (NPI 1730966938) is an individual mental health provider in Cabin John, Maryland, licensed in Maryland (LGP14303) and active in the NPI registry since September 2023.

NPPES Registry Identity

NPI1730966938
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameMS. SIENNA MONAGAN LYONCredential: LGPC
Location Address7945 MACARTHUR BLVD STE 214Cabin John, MD 20818-1634
Mailing Address7945 Macarthur Blvd Ste 214Cabin John, MD 20818-1634 · (301) 987-7284
Phone(301) 987-7284
Sole ProprietorYes
Enumeration DateSeptember 11, 2023
NPPES CertifiedSeptember 11, 2023
✔ NPI 1730966938 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in MD · LGP14303
7945 MACARTHUR BLVD STE 214, Cabin John, MD 20818
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. ALYSA ROMANO LPC
Counselor (Mental Health)
7945 MACARTHUR BLVD STE 214
CABIN JOHN, MD 20818
Montgomery County (786) 719-3642
NINA TRACY
Marriage & Family Therapist
7945 MACARTHUR BLVD STE 214
CABIN JOHN, MD 20818
Montgomery County (301) 987-7284
MARIAN HWANG LMSW
Social Worker (Clinical)
7945 MACARTHUR BLVD STE 214
CABIN JOHN, MD 20818
Montgomery County (301) 987-7284
BARRY SHAPIRO LMSW
Social Worker
7945 MACARTHUR BLVD STE 214
CABIN JOHN, MD 20818
Montgomery County (301) 987-7284
LEAH WOLF LMSW
Social Worker
7945 MACARTHUR BLVD STE 214
CABIN JOHN, MD 20818
Montgomery County (301) 987-7284
PATRICIA FRISCHTAK M.D.
Psychiatry & Neurology (Psychiatry)
7945 MACARTHUR BLVD STE 214
CABIN JOHN, MD 20818
Montgomery County (301) 987-7284
ILENE MARTO ATIYAH LMSW
Social Worker
7945 MACARTHUR BLVD STE 214
CABIN JOHN, MD 20818
Montgomery County (301) 987-7284
ELIZABETH MICHELLE LAWLER LMSW
Social Worker (Clinical)
7945 MACARTHUR BLVD STE 214
CABIN JOHN, MD 20818
Montgomery County (301) 987-7284

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sienna Lyon's NPI number?

The NPI number for Sienna Lyon is 1730966938. It was assigned to this individual provider in the NPPES registry on September 11, 2023.

Where is Sienna Lyon located?

Sienna Lyon practices at 7945 Macarthur Blvd Ste 214, Cabin John, MD 20818. The listed phone number is (301) 987-7284.

What is Sienna Lyon's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Sienna Lyon was last updated on September 11, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.