STEFANIE J HAYNES D.O.
NPI 1821338914
Surgery in West Chester, PA
About Stefanie J Haynes D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEFANIE J HAYNES D.O. (NPI 1821338914) is an individual surgery provider in West Chester, Pennsylvania, licensed in Pennsylvania (OS018435) and active in the NPI registry since February 2013. She is enrolled in Medicare PECOS, is affiliated with Hospital Of Univ Of Pennsylvania, and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses
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
Stefanie J Haynes 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
2Medicare enrollment records show Stefanie Haynes reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
West Chester, PA 19380
- Reassigned Medicare billing, Pennsylvania enrollment
- 983 clinicians in this Medicare group
Phoenixville, PA 19460
- Reassigned Medicare billing, Pennsylvania enrollment
- 529 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 8
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.
Hospital Of Univ Of Pennsylvania
Acute Care Hospitals · Philadelphia, PAChester County Hospital
Acute Care Hospitals · West Chester, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19380 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 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WEST CHESTER, PA 19380
WEST CHESTER, PA 19380
WEST CHESTER, PA 19380
WEST CHESTER, PA 19380
WESTCHESTER, PA 19380
WEST CHESTER, PA 19380
WEST CHESTER, PA 19380
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 Stefanie Haynes's NPI number?
The NPI number for Stefanie Haynes is 1821338914. It was assigned to this individual provider in the NPPES registry on February 26, 2013.
Where is Stefanie Haynes located?
Stefanie Haynes practices at 915 Old Fern Hill Road Suite 201, West Chester, PA 19380. The listed phone number is (610) 436-6696.
What is Stefanie Haynes's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Stefanie Haynes enrolled in Medicare?
Yes. Stefanie Haynes 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 Stefanie Haynes's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stefanie Haynes reassigns Medicare benefits to 2 organizations: Clinical Care Associates Of The University Of Pennsylvania Health (West Chester, PA) and Phoenixville Clinic Company LLC (Phoenixville, 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 Stefanie Haynes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stefanie Haynes accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Stefanie Haynes 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 Stefanie Haynes affiliated with any hospitals?
According to CMS data, Stefanie Haynes is affiliated with Hospital Of Univ Of Pennsylvania and Chester County Hospital.
When was this NPI record last updated?
The NPPES record for Stefanie Haynes was last updated on May 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Stefanie J Haynes, D.O. · NPI 1821338914
Surgery physician in West Chester, Pennsylvania. Individual provider, active in the CMS NPPES registry since February 26, 2013.
## Identity
- **NPI:** 1821338914 (Entity type: Individual)
- **Enumerated:** February 26, 2013
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** OS018435 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 915 OLD FERN HILL ROAD, SUITE 201, West Chester, PA 19380-3431
- **Phone:** (610) 436-6696 · **Fax:** (610) 430-6023
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Clinical Care Associates Of The University Of Pennsylvania Health (NPI 1396416251, West Chester, PA); Phoenixville Clinic Company LLC (NPI 1275173957, Phoenixville, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** May 22, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1821338914) · Data from the CMS NPPES public registry.