RYAN ZIMMERMAN D.O.
NPI 1861835241
Internal Medicine in West Reading, PA
About Ryan Zimmerman D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RYAN ZIMMERMAN D.O. (NPI 1861835241) is an individual internal medicine provider in West Reading, Pennsylvania, licensed in Pennsylvania (OT015116) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS, is affiliated with Reading Hospital, 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
Ryan Zimmerman 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 Ryan Zimmerman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
West Reading, PA 19611
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: Tower Health Medical Group
- 1,473 clinicians in this Medicare group
West Reading, PA 19611
- Reassigned Medicare billing, Pennsylvania enrollment
- 399 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Reading Hospital
Acute Care Hospitals · West Reading, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19611 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.
Referred Medical Equipment & Supplies CMS DME claims 10
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
WEST READING, PA 19611
READING, PA 19611
WEST READING, PA 19611
WEST READING, PA 19611
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 Ryan Zimmerman's NPI number?
The NPI number for Ryan Zimmerman is 1861835241. It was assigned to this individual provider in the NPPES registry on April 16, 2013.
Where is Ryan Zimmerman located?
Ryan Zimmerman practices at 6th Avenue & Spruce Street, West Reading, PA 19611. The listed phone number is (484) 628-8470.
What is Ryan Zimmerman's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Ryan Zimmerman enrolled in Medicare?
Yes. Ryan Zimmerman 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 Ryan Zimmerman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Zimmerman reassigns Medicare benefits to 2 organizations: Reading Professional Services (West Reading, PA) and Reading Hospital (West Reading, 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 Ryan Zimmerman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ryan Zimmerman accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Ryan Zimmerman 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 Ryan Zimmerman affiliated with any hospitals?
According to CMS data, Ryan Zimmerman is affiliated with Reading Hospital.
When was this NPI record last updated?
The NPPES record for Ryan Zimmerman was last updated on April 16, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Ryan Zimmerman, D.O. · NPI 1861835241
Internal Medicine physician in West Reading, Pennsylvania. Individual provider, active in the CMS NPPES registry since April 16, 2013.
## Identity
- **NPI:** 1861835241 (Entity type: Individual)
- **Enumerated:** April 16, 2013
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** OT015116 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 6TH AVENUE & SPRUCE STREET, West Reading, PA 19611
- **Phone:** (484) 628-8470
## 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): Reading Professional Services (NPI 1962707190, West Reading, PA); Reading Hospital (NPI 1497844831, West Reading, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** April 16, 2013
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Source: [NPI Profile](https://npiprofile.com/npi/1861835241) · Data from the CMS NPPES public registry.