MARJORIE DIERDORF
NPI 1144892589
Nurse Practitioner - Family in Red Lion, PA
About Marjorie Dierdorf NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARJORIE DIERDORF (NPI 1144892589) is an individual family provider in Red Lion, Pennsylvania, licensed in Pennsylvania (SP024514) and active in the NPI registry since July 2021. She is enrolled in Medicare PECOS, is affiliated with Wellspan York Hospital, and maintains a secondary practice location in York.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 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
Marjorie Dierdorf 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 Marjorie Dierdorf reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Hanover, PA 17331
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,902 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 7
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.
Wellspan York Hospital
Acute Care Hospitals · York, PAUpmc Memorial
Acute Care Hospitals · York, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 17356 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 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 Marjorie Dierdorf's NPI number?
The NPI number for Marjorie Dierdorf is 1144892589. It was assigned to this individual provider in the NPPES registry on July 14, 2021.
Where is Marjorie Dierdorf located?
Marjorie Dierdorf practices at 3141 Cape Horn Rd, Red Lion, PA 17356. The listed phone number is (717) 246-5180.
What is Marjorie Dierdorf's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Marjorie Dierdorf enrolled in Medicare?
Yes. Marjorie Dierdorf 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 Marjorie Dierdorf's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marjorie Dierdorf reassigns Medicare benefits to Pinnacle Health Medical Services (Hanover, 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 Marjorie Dierdorf's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Marjorie Dierdorf affiliated with any hospitals?
According to CMS data, Marjorie Dierdorf is affiliated with Wellspan York Hospital and Upmc Memorial.
When was this NPI record last updated?
The NPPES record for Marjorie Dierdorf was last updated on October 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 days 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.
# Marjorie Dierdorf · NPI 1144892589
Family physician in Red Lion, Pennsylvania. Individual provider, active in the CMS NPPES registry since July 14, 2021.
## Identity
- **NPI:** 1144892589 (Entity type: Individual)
- **Enumerated:** July 14, 2021
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** SP024514 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 3141 CAPE HORN RD, Red Lion, PA 17356-9071
- **Phone:** (717) 246-5180 · **Fax:** (717) 246-2005
## 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:** Pinnacle Health Medical Services (NPI 1578109716, Hanover, PA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** October 8, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1144892589) · Data from the CMS NPPES public registry.