DR. ROXANNE CASTILLO ORION M.D.
NPI 1083051965
Internal Medicine in Silver Spring, MD
About Dr. Roxanne Castillo Orion M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROXANNE CASTILLO ORION M.D. (NPI 1083051965) is an individual internal medicine provider in Silver Spring, Maryland, licensed in Maryland (D0081402) and active in the NPI registry since May 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses
Other Names 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
Dr. Roxanne Castillo Orion M.d. 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 Roxanne Orion reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Kensington, MD 20895
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- Also billed through NPI 1285752121 (Maryland)
- 2,492 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 20904 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.
SILVER SPRING, MD 20904
SILVER SPRING, MD 20904
SILVER SPRING, MD 20904
SILVER SPRING, MD 20904
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 Roxanne Orion's NPI number?
The NPI number for Roxanne Orion is 1083051965. It was assigned to this individual provider in the NPPES registry on May 31, 2013. The provider is also known as Dr. Roxanne Lorenzo Castillo M.D..
Where is Roxanne Orion located?
Roxanne Orion practices at 12201 Plum Orchard Dr, Silver Spring, MD 20904. The listed phone number is (301) 572-1000.
What is Roxanne Orion's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Roxanne Orion enrolled in Medicare?
Yes. Roxanne Orion 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 Roxanne Orion's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Roxanne Orion reassigns Medicare benefits to Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Kensington, MD). 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 Roxanne Orion's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Roxanne Orion was last updated on June 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. Roxanne Castillo Orion, M.D. · NPI 1083051965
Internal Medicine physician in Silver Spring, Maryland. Individual provider, active in the CMS NPPES registry since May 31, 2013.
## Identity
- **NPI:** 1083051965 (Entity type: Individual)
- **Enumerated:** May 31, 2013
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** D0081402 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 12201 PLUM ORCHARD DR, Silver Spring, MD 20904-7803
- **Phone:** (301) 572-1000
## 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:** Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (NPI 1376601872, Kensington, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** June 1, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1083051965) · Data from the CMS NPPES public registry.