DR. ALICIA M JOHNSTON M.D.
NPI 1225044225
Pediatrics - Pediatric Infectious Diseases in Boston, MA
About Dr. Alicia M Johnston M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALICIA M JOHNSTON M.D. (NPI 1225044225) is an individual pediatric infectious diseases provider in Boston, Massachusetts, licensed in Massachusetts (212850) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of State University Of Ny Upstate Medical University (1994).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Alicia M Johnston 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 Reassignment
Medicare enrollment records show Alicia Johnston 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
- 1,358 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.
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 Alicia Johnston's NPI number?
The NPI number for Alicia Johnston is 1225044225. It was assigned to this individual provider in the NPPES registry on July 31, 2006.
Where is Alicia Johnston located?
Alicia Johnston practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.
What is Alicia Johnston's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Infectious Diseases, with taxonomy code 2080P0208X.
Is Alicia Johnston enrolled in Medicare?
Yes. Alicia Johnston 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 Alicia Johnston's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alicia Johnston reassigns Medicare benefits to Children's Hospital Pediatric 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 Alicia Johnston's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alicia Johnston accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Alicia Johnston 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.
When was this NPI record last updated?
The NPPES record for Alicia Johnston was last updated on January 24, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Dr. Alicia M Johnston, M.D. · NPI 1225044225
Pediatric Infectious Diseases physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since July 31, 2006.
## Identity
- **NPI:** 1225044225 (Entity type: Individual)
- **Enumerated:** July 31, 2006
- **Primary specialty:** Pediatrics - Pediatric Infectious Diseases · taxonomy 2080P0208X
- **State license:** 212850 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 LONGWOOD AVE, Boston, MA 02115-5724
- **Phone:** (617) 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:** Children's Hospital Pediatric Associates, Inc (NPI 1457306664, Boston, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of Ny Upstate Medical University, class of 1994
## Record status
- **NPPES last updated:** January 24, 2020
---
Source: [NPI Profile](https://npiprofile.com/npi/1225044225) · Data from the CMS NPPES public registry.