DR. FIONA H LYNCH
NPI 1841761053
Dermatology - Pediatric Dermatology in Boston, MA
About Dr. Fiona H Lynch NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. FIONA H LYNCH (NPI 1841761053) is an individual pediatric dermatology provider in Boston, Massachusetts, licensed in Massachusetts (1027210) and active in the NPI registry since December 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2015).
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 and accepts Medicare assignment
Dr. Fiona H Lynch 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 Fiona Lynch 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02115 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 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 Fiona Lynch's NPI number?
The NPI number for Fiona Lynch is 1841761053. It was assigned to this individual provider in the NPPES registry on December 16, 2018.
Where is Fiona Lynch located?
Fiona Lynch practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.
What is Fiona Lynch's specialty?
The primary specialty registered for this NPI is Dermatology, specializing in Pediatric Dermatology, with taxonomy code 207NP0225X.
Is Fiona Lynch enrolled in Medicare?
Yes. Fiona Lynch 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 Fiona Lynch's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Fiona Lynch 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 Fiona Lynch'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 Fiona Lynch was last updated on July 15, 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.
# Dr. Fiona H Lynch · NPI 1841761053
Pediatric Dermatology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since December 16, 2018.
## Identity
- **NPI:** 1841761053 (Entity type: Individual)
- **Enumerated:** December 16, 2018
- **Primary specialty:** Dermatology - Pediatric Dermatology · taxonomy 207NP0225X
- **State license:** 1027210 (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:** Other, class of 2015
## Record status
- **NPPES last updated:** July 15, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1841761053) · Data from the CMS NPPES public registry.