GREGORY DICKSON FRATTAROLI M.D.
NPI 1164626552
Emergency Medicine in Chester, PA
About Gregory Dickson Frattaroli M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGORY DICKSON FRATTAROLI M.D. (NPI 1164626552) is an individual emergency medicine provider in Chester, Pennsylvania, licensed in Pennsylvania (MD439085) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of University Of Pittsburgh School Of Medicine (2007).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 4
Other Identifiers 1
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
Gregory Dickson Frattaroli M.d. 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
6Medicare enrollment records show Gregory Frattaroli reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chester, PA 19013
- Reassigned Medicare billing, Pennsylvania enrollment
- 654 clinicians in this Medicare group
Wilmington, DE 19803
- Reassigned Medicare billing, Delaware enrollment
- 1,531 clinicians in this Medicare group
Wilmington, DE 19805
- Reassigned Medicare billing, Delaware enrollment
- 16 clinicians in this Medicare group
Newark, DE 19718
- Reassigned Medicare billing, Delaware enrollment
- 167 clinicians in this Medicare group
Newark, DE 19711
- Reassigned Medicare billing, Delaware enrollment
- 18 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
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 2
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 19013 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
CHESTER, PA 19013
CHESTER, PA 19013
CHESTER, PA 19013
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 Gregory Frattaroli's NPI number?
The NPI number for Gregory Frattaroli is 1164626552. It was assigned to this individual provider in the NPPES registry on June 12, 2007.
Where is Gregory Frattaroli located?
Gregory Frattaroli practices at 1 Medical Center Blvd, Chester, PA 19013. The listed phone number is (610) 447-2000.
What is Gregory Frattaroli's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Gregory Frattaroli enrolled in Medicare?
Yes. Gregory Frattaroli 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 Gregory Frattaroli's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Frattaroli reassigns Medicare benefits to 6 organizations: Prospect Health Access Network, Inc. (Chester, PA), Christiana Care Health Services, Inc (Wilmington, DE), Cep America LLC (Wilmington, DE), Christiana Care Emergency Physicians LLC (Newark, DE), Newark Emergency Center (Newark, DE) and 1 more organization, listed in the Medicare section above. 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 Gregory Frattaroli'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 Gregory Frattaroli was last updated on July 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Gregory Dickson Frattaroli, M.D. · NPI 1164626552
Emergency Medicine physician in Chester, Pennsylvania. Individual provider, active in the CMS NPPES registry since June 12, 2007.
## Identity
- **NPI:** 1164626552 (Entity type: Individual)
- **Enumerated:** June 12, 2007
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** MD439085 (Pennsylvania)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1 MEDICAL CENTER BLVD, Chester, PA 19013-3902
- **Phone:** (610) 447-2000
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Prospect Health Access Network, Inc. (NPI 1154776797, Chester, PA); Christiana Care Health Services, Inc (NPI 1619951068, Wilmington, DE); Cep America LLC (NPI 1104703461, Wilmington, DE); Christiana Care Emergency Physicians LLC (NPI 1639956451, Newark, DE); Newark Emergency Center (NPI 1700864576, Newark, DE); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Pittsburgh School Of Medicine, class of 2007
## Record status
- **NPPES last updated:** July 7, 2026
- **Other identifiers:** Medicaid 0694193 (NJ)
---
Source: [NPI Profile](https://npiprofile.com/npi/1164626552) · Data from the CMS NPPES public registry.