LILLIAN ZORRA RIVERS CRNP
NPI 1629602461
Nurse Practitioner - Psychiatric/Mental Health in Williamsport, PA
About Lillian Zorra Rivers Crnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LILLIAN ZORRA RIVERS CRNP (NPI 1629602461) is an individual psychiatric/mental health provider in Williamsport, Pennsylvania, licensed in Pennsylvania (SP021598) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2019).
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
Lillian Zorra Rivers 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 Reassignments
3Medicare enrollment records show Lillian Rivers reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mountville, PA 17554
- Reassigned Medicare billing, Pennsylvania enrollment
- 64 clinicians in this Medicare group
Durham, NC 27704
- Reassigned Medicare billing, North Carolina enrollment
- Also billed through NPI 1336448810 (North Carolina)
- 1,482 clinicians in this Medicare group
Raleigh, NC 27617
- Reassigned Medicare billing, North Carolina enrollment
- 38 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
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 17701 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.
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 Lillian Rivers's NPI number?
The NPI number for Lillian Rivers is 1629602461. It was assigned to this individual provider in the NPPES registry on March 2, 2020.
Where is Lillian Rivers located?
Lillian Rivers practices at 1000 Commerce Park Dr Ste 110, Williamsport, PA 17701. The listed phone number is (570) 323-6944.
What is Lillian Rivers's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Lillian Rivers enrolled in Medicare?
Yes. Lillian Rivers 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 Lillian Rivers's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lillian Rivers reassigns Medicare benefits to 3 organizations: Community Services Group, Inc. (Mountville, PA), Duke University Health System, Inc. (Durham, NC) and Triangle Springs Physician Group, LLC (Raleigh, NC). 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 Lillian Rivers's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lillian Rivers accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee and Blue Cross and Blue Shield of NC and 3 other insurers list Lillian Rivers 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.
When was this NPI record last updated?
The NPPES record for Lillian Rivers was last updated on March 2, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Lillian Zorra Rivers, CRNP · NPI 1629602461
Psychiatric/Mental Health physician in Williamsport, Pennsylvania. Individual provider, active in the CMS NPPES registry since March 2, 2020.
## Identity
- **NPI:** 1629602461 (Entity type: Individual)
- **Enumerated:** March 2, 2020
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** SP021598 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 1000 COMMERCE PARK DR STE 110, Williamsport, PA 17701-5475
- **Phone:** (570) 323-6944
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Community Services Group, Inc. (NPI 1265426084, Mountville, PA); Duke University Health System, Inc. (NPI 1962721308, Durham, NC); Triangle Springs Physician Group, LLC (NPI 1063901312, Raleigh, NC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** March 2, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1629602461) · Data from the CMS NPPES public registry.