LESLIE HAYES M.D.
NPI 1629422589
Psychiatry & Neurology - Neuromuscular Medicine in Boston, MA
About Leslie Hayes M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LESLIE HAYES M.D. (NPI 1629422589) is an individual neuromuscular medicine provider in Boston, Massachusetts, licensed in Massachusetts (281938) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Leslie Hayes M.d. 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.
Medicare Billing Reassignments
2Medicare enrollment records show Leslie Hayes reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 153 clinicians in this Medicare group
Boston, MA 02111
- Reassigned Medicare billing, Massachusetts enrollment
- 202 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Massachusetts General Hospital
Acute Care Hospitals · Boston, MAOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
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 Leslie Hayes's NPI number?
The NPI number for Leslie Hayes is 1629422589. It was assigned to this individual provider in the NPPES registry on April 18, 2016. The provider is also known as Leslie Hotchkiss Hotchkiss M.D..
Where is Leslie Hayes located?
Leslie Hayes practices at 300 Longwood Ave Boston Children's Hospital, Boston, MA 02115. The listed phone number is (176) 355-6000.
What is Leslie Hayes's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neuromuscular Medicine, with taxonomy code 2084N0008X.
Is Leslie Hayes enrolled in Medicare?
Yes. Leslie Hayes 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.
Which organizations bill Medicare for Leslie Hayes's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leslie Hayes reassigns Medicare benefits to 2 organizations: C H Neurology Foundation Inc (Boston, MA) and Pratt Pediatric Associates Inc (Boston, MA). Each 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 Leslie Hayes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Leslie Hayes accept?
Health plans from Taro Health list Leslie Hayes 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.
Is Leslie Hayes affiliated with any hospitals?
According to CMS data, Leslie Hayes is affiliated with Massachusetts General Hospital.
When was this NPI record last updated?
The NPPES record for Leslie Hayes was last updated on March 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.
# Leslie Hayes, M.D. · NPI 1629422589
Neuromuscular Medicine physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since April 18, 2016.
## Identity
- **NPI:** 1629422589 (Entity type: Individual)
- **Enumerated:** April 18, 2016
- **Primary specialty:** Psychiatry & Neurology - Neuromuscular Medicine · taxonomy 2084N0008X
- **State license:** 281938 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 300 LONGWOOD AVE, BOSTON CHILDREN'S HOSPITAL, Boston, MA 02115-5724
- **Phone:** (176) 355-6000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): C H Neurology Foundation Inc (NPI 1063432417, Boston, MA); Pratt Pediatric Associates Inc (NPI 1477590511, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** March 28, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1629422589) · Data from the CMS NPPES public registry.