JOHN M COSTELLO CCC-SLP
NPI 1962472720
Speech-Language Pathologist in Waltham, MA
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.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
John M Costello Ccc-slp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show John Costello reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 79 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.
WALTHAM, MA 02453
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.
Which organization bills Medicare for John Costello's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Costello reassigns Medicare benefits to Chmc Otolaryngologic Foundation, Inc (Boston, MA). The 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 John Costello'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 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 3 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.
# John M Costello, CCC-SLP · NPI 1962472720
Speech-Language Pathologist provider in Waltham, Massachusetts. Individual provider, active in the CMS NPPES registry since January 25, 2006.
## Identity
- **NPI:** 1962472720 (Entity type: Individual)
- **Enumerated:** January 25, 2006
- **Primary specialty:** Speech-Language Pathologist · taxonomy 235Z00000X
- **State license:** 2970 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 9 HOPE AVE, Waltham, MA 02453-2741
- **Phone:** (781) 216-2220
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** Chmc Otolaryngologic Foundation, Inc (NPI 1124118229, Boston, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1962472720) · Data from the CMS NPPES public registry.