SIENA I COOK CRNP
NPI 1003618802
Nurse Practitioner in Erie, PA
About Siena I Cook Crnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SIENA I COOK CRNP (NPI 1003618802) is an individual nurse practitioner in Erie, Pennsylvania, licensed in Pennsylvania (SP032508) and active in the NPI registry since March 2025. She is enrolled in Medicare PECOS, is affiliated with Meadville Medical Center, and is a graduate of Other (2024).
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
Siena I Cook Crnp 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 Reassignment
Medicare enrollment records show Siena Cook reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Erie, PA 16550
- Reassigned Medicare billing, Pennsylvania enrollment
- 962 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Meadville Medical Center
Acute Care Hospitals · Meadville, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 16505 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 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Siena Cook's NPI number?
The NPI number for Siena Cook is 1003618802. It was assigned to this individual provider in the NPPES registry on March 25, 2025.
Where is Siena Cook located?
Siena Cook practices at 2500 W 12th St Ste C, Erie, PA 16505. The listed phone number is (814) 877-8730.
What is Siena Cook's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Siena Cook enrolled in Medicare?
Yes. Siena Cook 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 organization bills Medicare for Siena Cook's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Siena Cook reassigns Medicare benefits to Regional Health Services Inc (Erie, 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 Siena Cook's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Siena Cook affiliated with any hospitals?
According to CMS data, Siena Cook is affiliated with Meadville Medical Center.
When was this NPI record last updated?
The NPPES record for Siena Cook was last updated on April 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Siena I Cook, CRNP · NPI 1003618802
Nurse Practitioner physician in Erie, Pennsylvania. Individual provider, active in the CMS NPPES registry since March 25, 2025.
## Identity
- **NPI:** 1003618802 (Entity type: Individual)
- **Enumerated:** March 25, 2025
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** SP032508 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 2500 W 12TH ST STE C, Erie, PA 16505-4500
- **Phone:** (814) 877-8730 · **Fax:** (814) 877-8731
## 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:** Regional Health Services Inc (NPI 1174520654, Erie, PA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** April 30, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1003618802) · Data from the CMS NPPES public registry.