DR. CHRISTINA NELSON DNP, RN, AGACNP-BC
NPI 1790499218
Nurse Practitioner in Orange, CA
About Dr. Christina Nelson Dnp, Rn, Agacnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHRISTINA NELSON DNP, RN, AGACNP-BC (NPI 1790499218) is an individual nurse practitioner in Orange, California, licensed in California (95023586) and active in the NPI registry since January 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses
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. Christina Nelson Dnp, Rn, Agacnp-bc 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
9Medicare enrollment records show Christina Nelson reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orange, CA 92867
- Reassigned Medicare billing, Nevada enrollment
- 22 clinicians in this Medicare group
Orange, CA 92867
- Reassigned Medicare billing, Idaho enrollment
- 15 clinicians in this Medicare group
Orange, CA 92867
- Reassigned Medicare billing, Oregon enrollment
- 12 clinicians in this Medicare group
Orange, CA 92867
- Reassigned Medicare billing, Tennessee enrollment
- 10 clinicians in this Medicare group
Santa Ana, CA 92707
- Reassigned Medicare billing, Arizona, Idaho, Oregon, Tennessee and Washington enrollments
- 29 clinicians in this Medicare group
Phoenix, AZ 85022
- Reassigned Medicare billing, Arizona enrollment
- 32 clinicians in this Medicare group
Nampa, ID 83687
- Reassigned Medicare billing, Idaho enrollment
- 22 clinicians in this Medicare group
Marysville, WA 98270
- Reassigned Medicare billing, Washington enrollment
- 10 clinicians in this Medicare group
Saint Louis, MO 63146
- Reassigned Medicare billing, Missouri enrollment
- 6 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 15
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 92867 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.
ORANGE, CA 92867
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 Christina Nelson's NPI number?
The NPI number for Christina Nelson is 1790499218. It was assigned to this individual provider in the NPPES registry on January 10, 2023.
Where is Christina Nelson located?
Christina Nelson practices at 2592 N Santiago Blvd, Orange, CA 92867. The listed phone number is (855) 919-9393.
What is Christina Nelson's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Christina Nelson enrolled in Medicare?
Yes. Christina Nelson 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 Christina Nelson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christina Nelson reassigns Medicare benefits to 9 organizations: Geiss Med Nevada PC (Orange, CA), Senior Doc Id Medical, PC (Orange, CA), Senior Doc Oregon, PC (Orange, CA), Senior Doc, Tennessee PC (Orange, CA), J M Geiss Do Apc (Santa Ana, CA) and 4 more organizations, listed in the Medicare section above. 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 Christina Nelson'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 Christina Nelson was last updated on January 10, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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. Christina Nelson, DNP, RN, AGACNP-BC · NPI 1790499218
Nurse Practitioner physician in Orange, California. Individual provider, active in the CMS NPPES registry since January 10, 2023.
## Identity
- **NPI:** 1790499218 (Entity type: Individual)
- **Enumerated:** January 10, 2023
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 95023586 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2592 N SANTIAGO BLVD, Orange, CA 92867-1862
- **Phone:** (855) 919-9393
## 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:** 9 organizations under Medicare reassignment (form CMS-855R): Geiss Med Nevada PC (NPI 1033793963, Orange, CA); Senior Doc Id Medical, PC (NPI 1407639941, Orange, CA); Senior Doc Oregon, PC (NPI 1063192029, Orange, CA); Senior Doc, Tennessee PC (NPI 1568148351, Orange, CA); J M Geiss Do Apc (NPI 1063825289, Santa Ana, CA); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** January 10, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1790499218) · Data from the CMS NPPES public registry.