CHARLES LEAHY O.D.,M.S.
NPI 1700953783
Optometrist - Corneal and Contact Management in Boston, MA
About Charles Leahy O.d.,m.s. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHARLES LEAHY O.D.,M.S. (NPI 1700953783) is an individual corneal and contact management provider in Boston, Massachusetts, licensed in Massachusetts (3354) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Massachusetts Eye And Ear Infirmary -, and is a graduate of New England College Of Optometry (1987).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Charles Leahy O.d.,m.s. 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 Reassignment
Medicare enrollment records show Charles Leahy reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 478 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.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Massachusetts Eye And Ear Infirmary -
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02114 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
BOSTON, MA 02114
BOSTON, MA 02114
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 Charles Leahy's NPI number?
The NPI number for Charles Leahy is 1700953783. It was assigned to this individual provider in the NPPES registry on November 29, 2006.
Where is Charles Leahy located?
Charles Leahy practices at 243 Charles St, Boston, MA 02114. The listed phone number is (617) 573-4296.
What is Charles Leahy's specialty?
The primary specialty registered for this NPI is Optometrist, specializing in Corneal and Contact Management, with taxonomy code 152WC0802X.
Is Charles Leahy enrolled in Medicare?
Yes. Charles Leahy 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 organization bills Medicare for Charles Leahy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Charles Leahy reassigns Medicare benefits to Massachusetts Eye And Ear Associates, 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 Charles Leahy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Charles Leahy accept?
Health plans from Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana and Blue Cross and Blue Shield of Montana and 3 other insurers list Charles Leahy 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 Charles Leahy affiliated with any hospitals?
According to CMS data, Charles Leahy is affiliated with Massachusetts Eye And Ear Infirmary -.
When was this NPI record last updated?
The NPPES record for Charles Leahy was last updated on August 2, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Charles Leahy, O.D.,M.S. · NPI 1700953783
Corneal and Contact Management provider in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since November 29, 2006.
## Identity
- **NPI:** 1700953783 (Entity type: Individual)
- **Enumerated:** November 29, 2006
- **Primary specialty:** Optometrist - Corneal and Contact Management · taxonomy 152WC0802X
- **State license:** 3354 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 243 CHARLES ST, Boston, MA 02114-3002
- **Phone:** (617) 573-4296
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Massachusetts Eye And Ear Associates, Inc. (NPI 1932574332, Boston, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New England College Of Optometry, class of 1987
## Record status
- **NPPES last updated:** August 2, 2013
- **Other identifiers:** Other 3354 (MA); Other ML0406327M (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1700953783) · Data from the CMS NPPES public registry.