JOHN D'AMBROSIO D.O.
NPI 1740348853
Emergency Medicine in Newtown Square, PA
About John D'ambrosio D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN D'AMBROSIO D.O. (NPI 1740348853) is an individual emergency medicine provider in Newtown Square, Pennsylvania, licensed in New Jersey (25MB07926800) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, is affiliated with Mercy Catholic Medical Center- Mercy Fitzgerald, and is a graduate of Other (2003).
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
John D'ambrosio D.o. 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 Reassignments
5Medicare enrollment records show John D'ambrosio reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Springfield, PA 19064
- Reassigned Medicare billing, Pennsylvania enrollment
- 654 clinicians in this Medicare group
Darby, PA 19023
- Reassigned Medicare billing, Pennsylvania enrollment
- 84 clinicians in this Medicare group
Wilmington, DE 19805
- Reassigned Medicare billing, Delaware enrollment
- 48 clinicians in this Medicare group
Langhorne, PA 19047
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: Emergency Care Services Of Pennsylvania PC
- 329 clinicians in this Medicare group
Newburgh, NY 12550
- Reassigned Medicare billing, New York enrollment
- 110 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 3
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Catholic Medical Center- Mercy Fitzgerald
Acute Care Hospitals · Darby, 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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEWTOWN SQUARE, PA 19073
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 John D'ambrosio's NPI number?
The NPI number for John D'ambrosio is 1740348853. It was assigned to this individual provider in the NPPES registry on December 4, 2006.
Where is John D'ambrosio located?
John D'ambrosio practices at 15 Campus Blvd Suite 200, Newtown Square, PA 19073. The listed phone number is (484) 420-2554.
What is John D'ambrosio's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is John D'ambrosio enrolled in Medicare?
Yes. John D'ambrosio 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 organizations bill Medicare for John D'ambrosio's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John D'ambrosio reassigns Medicare benefits to 5 organizations: Prospect Health Access Network, Inc. (Springfield, PA), Critical Care Physicians Of Pennsylvania PC (Darby, PA), Hospitalist Medicine Physicians Of Delaware, PA (Wilmington, DE), Emergency Care Services Of Pennsylvania, P.C. (Langhorne, PA) and Critical Care Physician Of New York PC (Newburgh, NY). 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 John D'ambrosio's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is John D'ambrosio affiliated with any hospitals?
According to CMS data, John D'ambrosio is affiliated with Mercy Catholic Medical Center- Mercy Fitzgerald.
When was this NPI record last updated?
The NPPES record for John D'ambrosio was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# John D'ambrosio, D.O. · NPI 1740348853
Emergency Medicine physician in Newtown Square, Pennsylvania. Individual provider, active in the CMS NPPES registry since December 4, 2006.
## Identity
- **NPI:** 1740348853 (Entity type: Individual)
- **Enumerated:** December 4, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 25MB07926800 (New Jersey)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 15 CAMPUS BLVD, SUITE 200, Newtown Square, PA 19073-3200
- **Phone:** (484) 420-2554
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Prospect Health Access Network, Inc. (NPI 1528413002, Springfield, PA); Critical Care Physicians Of Pennsylvania PC (NPI 1952670085, Darby, PA); Hospitalist Medicine Physicians Of Delaware, PA (NPI 1780951814, Wilmington, DE); Emergency Care Services Of Pennsylvania, P.C. (NPI 1114955010, Langhorne, PA); Critical Care Physician Of New York PC (NPI 1316293954, Newburgh, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2003
## Record status
- **NPPES last updated:** July 8, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1740348853) · Data from the CMS NPPES public registry.