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

JOHN M COSTELLO CCC-SLP
NPI 1962472720
Speech-Language Pathologist in Waltham, MA

Active since January 25, 2006

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About John M Costello Ccc-slp NPPES

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

JOHN M COSTELLO CCC-SLP (NPI 1962472720) is an individual speech-language pathologist provider in Waltham, Massachusetts, licensed in Massachusetts (2970) and active in the NPI registry since January 2006. He is a graduate of Other (1985).

NPPES Registry Identity

NPI1962472720
Entity TypeIndividualMale
Primary Taxonomy235Z00000X
Provider Legal NameJOHN M COSTELLOCredential: CCC-SLP
Location Address9 HOPE AVEWaltham, MA 02453-2741
Mailing Address51 Chilton RdWest Roxbury, MA 02132-1717 · (617) 325-1319
Phone(781) 216-2220
Sole ProprietorNo
Medical School CMSOtherGraduated 1985
Enumeration DateJanuary 25, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1962472720 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 MA · 2970
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.
9 HOPE AVE, Waltham, MA 02453
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

John M Costello Ccc-slp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID941717961
PECOS Enrollment IDI20250725000904

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.

ALYSSA BARZACH M.S., CCC-SLP
Speech-Language Pathologist
9 HOPE AVE
WALTHAM, MA 02453
Middlesex County (781) 216-2209
JULIE FRENCH LICSW
Social Worker (Clinical)
9 HOPE AVE
WALTHAM, MA 02453
Middlesex County (617) 355-6000
MARY WOODLAND LICSW
Social Worker (Clinical)
9 HOPE AVE
WALTHAM, MA 02453
Middlesex County (781) 216-3352
DR. AMANDA ROSE MICHEL PT, DPT
Physical Therapist
9 HOPE AVE
WALTHAM, MA 02453
Middlesex County (781) 216-2100
SHARON SHAHAM MS
Speech-Language Pathologist
9 HOPE AVE
WALTHAM, MA 02453
Middlesex County (781) 216-2200
TERRELL A CLARK PHD
Psychologist (Clinical Child & Adolescent)
9 HOPE AVE
WALTHAM, MA 02453
Middlesex County (781) 216-2200
TAMAR M GOMES AU.D.
Audiologist
9 HOPE AVE
WALTHAM, MA 02453
Middlesex County (781) 216-2304
NICOLE M. SEMON PT, DPT, PCS
Physical Therapist
9 HOPE AVE, DEPARTMENT OF PHYSICAL AND OCCUPATIONAL THERAPY
WALTHAM, MA 02453
Middlesex County (781) 216-3670

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 John Costello's NPI number?

The NPI number for John Costello is 1962472720. It was assigned to this individual provider in the NPPES registry on January 25, 2006.

Where is John Costello located?

John Costello practices at 9 Hope Ave, Waltham, MA 02453. The listed phone number is (781) 216-2220.

What is John Costello's specialty?

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

Is John Costello enrolled in Medicare?

Yes. John Costello is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for John Costello was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 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.