JOHN MCCARTHY DO
NPI 1043242779
Emergency Medicine in Allentown, PA
About John Mccarthy Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN MCCARTHY DO (NPI 1043242779) is an individual emergency medicine provider in Allentown, Pennsylvania, licensed in Pennsylvania (OS007199L) and active in the NPI registry since July 2006.
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 (PECOS)
John Mccarthy Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show John Mccarthy reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Allentown, PA 18103
- Reassigned Medicare billing, Pennsylvania enrollment
- 2,895 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.
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.
ALLENTOWN, PA 18103
ALLENTOWN, PA 18103
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 Mccarthy's NPI number?
The NPI number for John Mccarthy is 1043242779. It was assigned to this individual provider in the NPPES registry on July 6, 2006.
Where is John Mccarthy located?
John Mccarthy practices at 1200 S Cedar Crest Blvd, Allentown, PA 18103. The listed phone number is (610) 402-8111.
What is John Mccarthy's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is John Mccarthy enrolled in Medicare?
Yes. John Mccarthy is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for John Mccarthy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Mccarthy reassigns Medicare benefits to Lehigh Valley Physician Group (Allentown, 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 John Mccarthy'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 John Mccarthy was last updated on March 15, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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 Mccarthy, DO · NPI 1043242779
Emergency Medicine physician in Allentown, Pennsylvania. Individual provider, active in the CMS NPPES registry since July 6, 2006.
## Identity
- **NPI:** 1043242779 (Entity type: Individual)
- **Enumerated:** July 6, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** OS007199L (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 1200 S CEDAR CREST BLVD, Allentown, PA 18103-6202
- **Phone:** (610) 402-8111
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** Lehigh Valley Physician Group (NPI 1730476557, Allentown, PA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 15, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1043242779) · Data from the CMS NPPES public registry.