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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MARY BETH THEYERL MS CCC-SLP
NPI 1235046327
Speech-Language Pathologist in Wilmington, DE

Active since August 25, 2026
4031 KENNETT PIKE, WILMINGTON, DE 19807(302) 658-6200 Get Directions Write a Review

NPPES record added: August 25, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Mary Beth Theyerl Ms Ccc-slp NPPES

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

MARY BETH THEYERL MS CCC-SLP (NPI 1235046327) is an individual speech-language pathologist provider in Wilmington, Delaware, licensed in Delaware (01-0000706) and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1235046327
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameMARY BETH THEYERLCredential: MS CCC-SLP
Location Address4031 KENNETT PIKEWilmington, DE 19807-2047
Mailing Address1807 N Monroe StWilmington, DE 19802-3919 · (302) 893-3686
Phone(302) 658-6200
Sole ProprietorNo
Enumeration DateAugust 25, 2026
NPPES CertifiedAugust 25, 2026
✔ NPI 1235046327 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers
Taxonomy Code235Z00000X
License✔ Licensed in DE · 01-0000706
Definition
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.
4031 KENNETT PIKE, Wilmington, DE 19807
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Other Providers at the Same Location NPPES 9

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

JONITA RIVAS
Physical Therapist
4031 KENNETT PIKE
WILMINGTON, DE 19807
New Castle County (302) 658-6200
KENT A SALLEE MD
Family Medicine
4031 KENNETT PIKE
WILMINGTON, DE 19807
New Castle County (302) 757-3342
COBI SHAW OTR/L
Occupational Therapist
4031 KENNETT PIKE
GREENVILLE, DE 19807
New Castle County (302) 658-6200
FAITH MAURA MERRITT
Occupational Therapist
4031 KENNETT PIKE
WILMINGTON, DE 19807
New Castle County (302) 898-2345
KENT A SALLEE, MD LLC
Family Medicine
4031 KENNETT PIKE
WILMINGTON, DE 19807
New Castle County (302) 757-3342
MS. YATA ZENOBIA GANT PTA
Physical Therapy Assistant
4031 KENNETT PIKE
GREENVILLE, DE 19807
New Castle County (302) 658-6200
NANA AMA MENSAH
Speech-Language Pathologist
4031 KENNETT PIKE
WILMINGTON, DE 19807
New Castle County (302) 658-6200
GREENVILLE RETIREMENT COMMUNITY L.L.C.
Skilled Nursing Facility
4031 KENNETT PIKE
WILMINGTON, DE 19807
New Castle County (302) 658-6200

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 Mary Theyerl's NPI number?

The NPI number for Mary Theyerl is 1235046327. It was assigned to this individual provider in the NPPES registry on August 25, 2026.

Where is Mary Theyerl located?

Mary Theyerl practices at 4031 Kennett Pike, Wilmington, DE 19807. The listed phone number is (302) 658-6200.

What is Mary Theyerl's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

When was this NPI record last updated?

The NPPES record for Mary Theyerl was last updated on August 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days 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.