KIMBERLY ALFONSO
NPI 1689378135
Family Medicine in Newtown Square, PA
About Kimberly Alfonso NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KIMBERLY ALFONSO (NPI 1689378135) is an individual family medicine provider in Newtown Square, Pennsylvania, licensed in Pennsylvania (MD496102) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS, is affiliated with Bryn Mawr Hospital, and is a graduate of Other (2023).
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 and accepts Medicare assignment
Kimberly Alfonso 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 Kimberly Alfonso reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Newtown Square, PA 19073
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,638 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Bryn Mawr Hospital
Acute Care Hospitals · Bryn Mawr, PAMain Line Hospital Lankenau
Acute Care Hospitals · Wynnewood, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19073 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Kimberly Alfonso's NPI number?
The NPI number for Kimberly Alfonso is 1689378135. It was assigned to this individual provider in the NPPES registry on March 29, 2023.
Where is Kimberly Alfonso located?
Kimberly Alfonso practices at 3855 W Chester Pike # 300, Newtown Square, PA 19073. The listed phone number is (484) 427-8000.
What is Kimberly Alfonso's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Kimberly Alfonso enrolled in Medicare?
Yes. Kimberly Alfonso 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 Kimberly Alfonso's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kimberly Alfonso reassigns Medicare benefits to Main Line Healthcare (Newtown Square, PA). 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 Kimberly Alfonso's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kimberly Alfonso accept?
Health plans from Highmark Blue Cross Blue Shield Delaware list Kimberly Alfonso 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 Kimberly Alfonso affiliated with any hospitals?
According to CMS data, Kimberly Alfonso is affiliated with Bryn Mawr Hospital and Main Line Hospital Lankenau.
When was this NPI record last updated?
The NPPES record for Kimberly Alfonso was last updated on July 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Kimberly Alfonso · NPI 1689378135
Family Medicine physician in Newtown Square, Pennsylvania. Individual provider, active in the CMS NPPES registry since March 29, 2023.
## Identity
- **NPI:** 1689378135 (Entity type: Individual)
- **Enumerated:** March 29, 2023
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** MD496102 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 3855 W CHESTER PIKE # 300, Newtown Square, PA 19073-2304
- **Phone:** (484) 427-8000
## 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:** Main Line Healthcare (NPI 1922077643, Newtown Square, PA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** July 1, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1689378135) · Data from the CMS NPPES public registry.