ALISON ALEXANDER MD
NPI 1215096243
Internal Medicine - Geriatric Medicine in Narbeth, PA
About Alison Alexander Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALISON ALEXANDER MD (NPI 1215096243) is an individual geriatric medicine provider in Narbeth, Pennsylvania, licensed in Pennsylvania (MD056081-L) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 9
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)
Alison Alexander Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Alison Alexander reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Narberth, PA 19072
- Reassigned Medicare billing, Pennsylvania enrollment
- 17 clinicians in this Medicare group
Philadelphia, PA 19131
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,205 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 10
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19072 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Alison Alexander's NPI number?
The NPI number for Alison Alexander is 1215096243. It was assigned to this individual provider in the NPPES registry on December 6, 2006.
Where is Alison Alexander located?
Alison Alexander practices at Mainline Medical Group 857 Montgomery Avenue, Narbeth, PA 19072. The listed phone number is (610) 664-2951.
What is Alison Alexander's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.
Is Alison Alexander enrolled in Medicare?
Yes. Alison Alexander is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Alison Alexander's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alison Alexander reassigns Medicare benefits to 2 organizations: Main Line Medical Group Ltd (Narberth, PA) and Einstein Practice Plan Inc (Philadelphia, PA). 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 Alison Alexander's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alison Alexander accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Alison Alexander 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 Alison Alexander was last updated on March 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.