LESLIE CROSBY
NPI 1528629748
Emergency Medicine in Chester, PA
About Leslie Crosby NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LESLIE CROSBY (NPI 1528629748) is an individual emergency medicine provider in Chester, Pennsylvania, licensed in Pennsylvania (MD476740) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS, is affiliated with Pottstown Hospital, and is a graduate of Temple University School Of Medicine (2019).
NPPES Registry Identity
Specialties & Licenses 2
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
Leslie Crosby 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 Leslie Crosby reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Philadelphia, PA 19118
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,473 clinicians in this Medicare group
Phoenixville, PA 19460
- Reassigned Medicare billing, Pennsylvania enrollment
- 529 clinicians in this Medicare group
Pottstown, PA 19465
- Reassigned Medicare billing, Pennsylvania enrollment
- 474 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
Fairless Hills, PA 19030
- Reassigned Medicare billing, Pennsylvania enrollment
- 11 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 4
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Pottstown Hospital
Acute Care Hospitals · Pottstown, PAPhoenixville Hospital
Acute Care Hospitals · Phoenixville, PAPhysician 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.
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.
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 Leslie Crosby's NPI number?
The NPI number for Leslie Crosby is 1528629748. It was assigned to this individual provider in the NPPES registry on June 27, 2019.
Where is Leslie Crosby located?
Leslie Crosby practices at 1 Medical Center Blvd, Chester, PA 19013. The listed phone number is (610) 447-6671.
What is Leslie Crosby's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Leslie Crosby enrolled in Medicare?
Yes. Leslie Crosby 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 Leslie Crosby's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leslie Crosby reassigns Medicare benefits to 5 organizations: Tower Health Medical Group (Philadelphia, PA), Phoenixville Clinic Company LLC (Phoenixville, PA), Pottstown Clinic Company LLC (Pottstown, PA), Emergency Care Services Of Pennsylvania, P.C. (Langhorne, PA) and Patient Care Now, LLC (Fairless Hills, 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 Leslie Crosby's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Leslie Crosby affiliated with any hospitals?
According to CMS data, Leslie Crosby is affiliated with Pottstown Hospital and Phoenixville Hospital.
When was this NPI record last updated?
The NPPES record for Leslie Crosby was last updated on January 10, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Leslie Crosby · NPI 1528629748
Emergency Medicine physician in Chester, Pennsylvania. Individual provider, active in the CMS NPPES registry since June 27, 2019.
## Identity
- **NPI:** 1528629748 (Entity type: Individual)
- **Enumerated:** June 27, 2019
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** MD476740 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 MEDICAL CENTER BLVD, Chester, PA 19013-3902
- **Phone:** (610) 447-6671
## 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): Tower Health Medical Group (NPI 1306476924, Philadelphia, PA); Phoenixville Clinic Company LLC (NPI 1275173957, Phoenixville, PA); Pottstown Clinic Company LLC (NPI 1649341934, Pottstown, PA); Emergency Care Services Of Pennsylvania, P.C. (NPI 1114955010, Langhorne, PA); Patient Care Now, LLC (NPI 1336544477, Fairless Hills, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Temple University School Of Medicine, class of 2019
## Record status
- **NPPES last updated:** January 10, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1528629748) · Data from the CMS NPPES public registry.