ASHLEY ALEXANDRA FOSTER MD
NPI 1306189717
Pediatrics - Pediatric Emergency Medicine in Boston, MA
About Ashley Alexandra Foster Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ASHLEY ALEXANDRA FOSTER MD (NPI 1306189717) is an individual pediatric emergency medicine provider in Boston, Massachusetts, licensed in Massachusetts (270257) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 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 (PECOS)
Ashley Alexandra Foster Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Ashley Foster reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94108
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: City & County Of San Francisco
- 1,573 clinicians in this Medicare group
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- 842 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 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
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.
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
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 Ashley Foster's NPI number?
The NPI number for Ashley Foster is 1306189717. It was assigned to this individual provider in the NPPES registry on April 3, 2013.
Where is Ashley Foster located?
Ashley Foster practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (617) 355-6000.
What is Ashley Foster's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.
Is Ashley Foster enrolled in Medicare?
Yes. Ashley Foster is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Ashley Foster's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ashley Foster reassigns Medicare benefits to 4 organizations: City And Couny Of San Francisco (San Francisco, CA), University Of California Sfgh Medical Group (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (San Francisco, CA). 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 Ashley Foster's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ashley Foster accept?
Health plans from Taro Health list Ashley Foster 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 Ashley Foster was last updated on July 27, 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.
# Ashley Alexandra Foster, MD · NPI 1306189717
Pediatric Emergency Medicine physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since April 3, 2013.
## Identity
- **NPI:** 1306189717 (Entity type: Individual)
- **Enumerated:** April 3, 2013
- **Primary specialty:** Pediatrics - Pediatric Emergency Medicine · taxonomy 2080P0204X
- **State license:** 270257 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 FRUIT ST, Boston, MA 02114-2621
- **Phone:** (617) 355-6000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): City And Couny Of San Francisco (NPI 1164613832, San Francisco, CA); University Of California Sfgh Medical Group (NPI 1174598296, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 27, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1306189717) · Data from the CMS NPPES public registry.