MR. MARK A SIMMS SR. LGPC
NPI 1972318376
Counselor in Waldorf, MD

Q: What is Mark Simms's NPI number?

The NPI number for Mark Simms is 1972318376. It was assigned to this individual provider in the NPPES registry on February 11, 2025.

Q: What is Mark Simms's specialty?

The primary specialty registered for this NPI is Counselor with taxonomy code 101Y00000X.

Q: When was this NPI record last updated?

The NPPES record for Mark Simms was last updated on February 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.

Active since February 11, 2025

9580 PEP RALLY LN, WALDORF, MD 20603(240) 396-7129 Get Directions Write a Review

NPPES record last updated: February 12, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Mr. Mark A Simms Sr. Lgpc NPPES

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

MR. MARK A SIMMS SR. LGPC (NPI 1972318376) is an individual counselor in Waldorf, Maryland, licensed in Maryland (LGP16113) and active in the NPI registry since February 2025.

NPPES Registry Identity

NPI1972318376

Entity TypeIndividualMale

Primary Taxonomy101Y00000X

Provider Legal NameMR. MARK A SIMMS SR.Credential: LGPC

Location Address9580 PEP RALLY LNWaldorf, MD 20603-5324

Mailing Address9580 Pep Rally LnWaldorf, MD 20603-5324 · (240) 396-7129

Phone(240) 396-7129

Sole ProprietorYes

Enumeration DateFebruary 11, 2025

Last NPPES UpdateFebruary 12, 2025

NPPES CertifiedFebruary 12, 2025

✔ NPI 1972318376 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselorBehavioral Health & Social Service Providers

Taxonomy Code101Y00000X

License✔ Licensed in MD · LGP16113

Definition

A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.

9580 PEP RALLY LN, Waldorf, MD 20603

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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 Mark Simms's NPI number?

The NPI number for Mark Simms is 1972318376. It was assigned to this individual provider in the NPPES registry on February 11, 2025.

Where is Mark Simms located?

Mark Simms practices at 9580 Pep Rally Ln, Waldorf, MD 20603. The listed phone number is (240) 396-7129.

What is Mark Simms's specialty?

The primary specialty registered for this NPI is Counselor with taxonomy code 101Y00000X.

When was this NPI record last updated?

The NPPES record for Mark Simms was last updated on February 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.