ARTHRITIS & OSTEOPOROSIS CENTER LLC
NPI 1124334123
Internal Medicine - Rheumatology in Seaford, DE
About Arthritis & Osteoporosis Center Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ARTHRITIS & OSTEOPOROSIS CENTER LLC (NPI 1124334123) is a healthcare organization registered as a rheumatology in Seaford, Delaware and active in the NPI registry since August 2010. The organization lists Ivonne Herrera, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Arthritis & Osteoporosis Center Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by December 31, 2026
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to Arthritis & Osteoporosis Center LLC, which bills Medicare for the services they deliver. Of these, 1 practice within 10 miles. They are listed nearest first.
Clinicians, nearest first (2)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Arthritis & Osteoporosis Center LLC's NPI number?
The NPI number for Arthritis & Osteoporosis Center LLC is 1124334123. It was assigned to this organization in the NPPES registry on August 27, 2010.
Where is Arthritis & Osteoporosis Center LLC located?
Arthritis & Osteoporosis Center LLC is located at 1350 Middleford Rd Suite 502, Seaford, DE 19973. The listed phone number is (302) 628-8300.
What is Arthritis & Osteoporosis Center LLC's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Arthritis & Osteoporosis Center LLC enrolled in Medicare?
Yes. Arthritis & Osteoporosis Center LLC is registered in the Medicare PECOS enrollment system.
When is Arthritis & Osteoporosis Center LLC's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Delaware, Clinic/Group Practice) is due for revalidation by December 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Arthritis & Osteoporosis Center LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Arthritis & Osteoporosis Center LLC, in Nurse Practitioner and Rheumatology. A 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 the clinician's services. Of these, 1 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Arthritis & Osteoporosis Center LLC accept?
Health plans from Highmark Blue Cross Blue Shield Delaware list Arthritis & Osteoporosis Center LLC 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 Arthritis & Osteoporosis Center LLC was last updated on August 25, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Arthritis & Osteoporosis Center Llc · NPI 1124334123
Rheumatology organization in Seaford, Delaware. Organization record, active in the CMS NPPES registry since August 27, 2010.
## Identity
- **NPI:** 1124334123 (Entity type: Organization)
- **Enumerated:** August 27, 2010
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **Organization subpart:** No
- **Authorized official:** Ivonne Herrera, OWNER
## Practice location
- **Address:** 1350 MIDDLEFORD RD, SUITE 502, Seaford, DE 19973-3664
- **Phone:** (302) 628-8300 · **Fax:** (302) 628-8400
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** December 31, 2026 (Non-DME Part B, Delaware, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 2 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (1), Rheumatology (1); 1 practice within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 25, 2011
- **Other identifiers:** Other 196156 (DE)
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Source: [NPI Profile](https://npiprofile.com/npi/1124334123) · Data from the CMS NPPES public registry.