Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ANNA MULLEK ALLISS MAS; M.S., CCC-SLP
NPI 1265123921
Speech-Language Pathologist in Charleston, SC

Q: What is Anna Alliss's NPI number?

The NPI number for Anna Alliss is 1265123921. It was assigned to this individual provider in the NPPES registry on May 15, 2023.

Q: What is Anna Alliss's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Anna Alliss was last updated on July 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 44 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.

Active since May 15, 2023Accepts Medicare Assignment

1583 SAVANNAH HWY STE B, CHARLESTON, SC 29407(843) 636-0114 Get Directions Write a Review

NPPES record last updated: July 21, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Jul 21, 2026, Jul 23, 2024, Jun 13, 2024 and 1 more (4 updates tracked since 2023).

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About Anna Mullek Alliss Mas; M.s., Ccc-slp NPPES

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

ANNA MULLEK ALLISS MAS; M.S., CCC-SLP (NPI 1265123921) is an individual speech-language pathologist provider in Charleston, South Carolina, licensed in South Carolina (7983) and active in the NPI registry since May 2023. She is a graduate of Other (2022).

NPPES Registry Identity

NPI1265123921

Entity TypeIndividualFemale

Primary Taxonomy235Z00000X

Provider Legal NameANNA MULLEK ALLISSCredential: MAS; M.S., CCC-SLP

Location Address1583 SAVANNAH HWY STE BCharleston, SC 29407-7855

Mailing Address1583 Savannah Hwy Ste BCharleston, SC 29407-7855 · (854) 205-6755

Phone(843) 636-0114

Sole ProprietorYes

Medical School CMSOtherGraduated 2022

Enumeration DateMay 15, 2023

Last NPPES UpdateJuly 21, 20264 updates tracked since enumeration

NPPES CertifiedJuly 21, 2026

✔ NPI 1265123921 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 SC · 7983

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.

1583 SAVANNAH HWY STE B, Charleston, SC 29407

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter of North Carolina.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Anna Mullek Alliss Mas; M.s., Ccc-slp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7810337359

PECOS Enrollment IDI20240430004340

Other Providers at the Same Location NPPES 2

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

THRIVE SPEECH THERAPY LLC

Speech-Language Pathologist

1583 SAVANNAH HWY STE B
CHARLESTON, SC 29407

Charleston County (843) 327-2072

KATHRYN BURNS M.S., CCC-SLP

Speech-Language Pathologist

1583 SAVANNAH HWY STE B
CHARLESTON, SC 29407

Charleston County (854) 205-1657

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 Anna Alliss's NPI number?

The NPI number for Anna Alliss is 1265123921. It was assigned to this individual provider in the NPPES registry on May 15, 2023.

Where is Anna Alliss located?

Anna Alliss practices at 1583 Savannah Hwy Ste B, Charleston, SC 29407. The listed phone number is (843) 636-0114.

What is Anna Alliss's specialty?

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

Is Anna Alliss enrolled in Medicare?

Yes. Anna Alliss is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Anna Alliss accept?

Health plans from Ambetter from Absolute Total Care and Ambetter of North Carolina list Anna Alliss as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Anna Alliss was last updated on July 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 44 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.