Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Miss. Morgan Johnston McAllister, MS, CCC-SLP

Individual provider Speech-Language Pathologist · NPI 1588389431

Miss. Morgan Johnston McAllister, MS, CCC-SLP is a Qualified Speech Language Pathologist in Berlin, Maryland. Qualified in 2021, 5 years ago. Works from 8 locations. Licensed in California and Maryland.

Years since qualifying
5
Licensed in
CA, MD
In the registry since
2022
Specialties on file
2
What do these letters mean?
MS — Master of Science
A graduate science degree.
CCC-SLP — Certificate of Clinical Competence in Speech-Language Pathology
A speech-language pathologist certified by ASHA.

See every abbreviation used in this directory →

Practice location Address checks out

100 Buckingham Rd
Berlin, MD 21811-1499
Phone: (410) 632-5300
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (7)

  • 3356 W Ball Rd Ste 219, Anaheim, CA 92804-3728 — (818) 894-2273
  • 599 S Barranca Ave Ste 555, Covina, CA 91723-2791 — (818) 894-2273
  • 5806 Pacific Blvd, Huntington Park, CA 90255-2618 — (818) 894-2273
  • 4300 Long Beach Blvd Ste 700, Long Beach, CA 90807-2000 — (818) 894-2273
  • 6420 Wilshire Blvd Ste 600, Los Angeles, CA 90048-5521 — (818) 894-2273
  • 8929 Aero Dr Ste E, San Diego, CA 92123-2231 — (858) 277-2277
  • 6320 Canoga Ave Fl 15, Woodland Hills, CA 91367-2563 — (818) 894-2273

Specialties & licences

Speech-Language Pathologist (primary) Taxonomy 235Z00000X · Licence 10412 (MD)
Speech-Language Pathologist Taxonomy 235Z00000X · Licence 39207 (CA)

Record details

NPI number1588389431
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , CCC-SLP
Sole proprietorNo
NPI enumeratedOctober 4, 2022
Last updated in NPPESMay 13, 2026
Certification dateMay 13, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyQUALIFIED SPEECH LANGUAGE PATHOLOGIST
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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