MARISSA SMITH
NPI 1255135760
Audiologist in Gaithersburg, MD

Active since April 03, 2025
655 WATKINS MILL RD, GAITHERSBURG, MD 20879(240) 632-4000 Get Directions Write a Review

NPPES record last updated: December 10, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 10, 2025, Apr 3, 2025 (2 updates tracked since 2025).

About Marissa Smith NPPES

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

MARISSA SMITH (NPI 1255135760) is an individual audiologist in Gaithersburg, Maryland, licensed in Maryland (01727) and active in the NPI registry since April 2025. She maintains a secondary practice location in Baltimore and is a graduate of Other (2025).

NPPES Registry Identity

NPI1255135760
Entity TypeIndividualFemale
Primary Taxonomy231H00000X
Provider Legal NameMARISSA SMITH
Location Address655 WATKINS MILL RDGaithersburg, MD 20879-3301
Mailing Address6201 Greenleigh AveMiddle River, MD 21220-2004 · (410) 933-0000 · Fax (410) 500-4266
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateApril 3, 2025
Last NPPES UpdateDecember 10, 20252 updates tracked since enumeration
NPPES CertifiedDecember 10, 2025
✔ NPI 1255135760 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAudiologistSpeech, Language and Hearing Service Providers
Taxonomy Code231H00000X
License✔ Licensed in MD · 01727
Definition
(1) A specialist in evaluation, habilitation and rehabilitation of those whose communication disorders center in whole or in part in hearing function. Audiologists are autonomous professionals who identify, assess, and manage disorders of the auditory, balance and other neural systems. Audiologists provide audiological (aural) rehabilitation to children and adults across the entire age span. Audiologists select, fit and dispense amplification systems such as hearing aids and related devices. (2) An audiologist is a person qualified by a master's degree in audiology, licensed by the state, where applicable, and practicing within the scope of that license. Audiologists evaluate and treat patients with impaired hearing. They plan, direct and conduct rehabilitative programs with audiotry substitutional devises (hearing aids) and other therapy.
655 WATKINS MILL RD, Gaithersburg, MD 20879

Secondary Practice Location 1

Location 11800 Orleans StBaltimore, MD 21287-0010 · Phone (410) 502-2037 · Fax (410) 955-0737

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marissa Smith is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5092217687
PECOS Enrollment IDI20250903004377, I20251219001947

Medicare Billing Reassignments

2

Medicare enrollment records show Marissa Smith reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Health Maintenance Organization
655 WATKINS MILL RD
Gaithersburg, MD 20879
  • Reassigned Medicare billing, District of Columbia enrollment
  • 2,492 clinicians in this Medicare group
Neurological Surgery
8600 OLD GEORGETOWN RD
Bethesda, MD 20814
  • Reassigned Medicare billing, Maryland enrollment
  • 4,483 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Pediatrics
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Student in an Organized Health Care Education/Training Program
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Emergency Medicine
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Pharmacist
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Registered Nurse (Lactation Consultant)
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
General Acute Care Hospital
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Radiologic Technologist (Computed Tomography)
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Audiologist
655 WATKINS MILL RD
GAITHERSBURG, MD 20879

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 Marissa Smith's NPI number?

The NPI number for Marissa Smith is 1255135760. It was assigned to this individual provider in the NPPES registry on April 3, 2025.

Where is Marissa Smith located?

Marissa Smith practices at 655 Watkins Mill Rd, Gaithersburg, MD 20879. The listed phone number is (240) 632-4000.

What is Marissa Smith's specialty?

The primary specialty registered for this NPI is Audiologist with taxonomy code 231H00000X.

Is Marissa Smith enrolled in Medicare?

Yes. Marissa Smith is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Marissa Smith's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marissa Smith reassigns Medicare benefits to 2 organizations: Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Gaithersburg, MD) and Johns Hopkins University (Bethesda, MD). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marissa Smith's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Marissa Smith was last updated on December 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.